Abstract: The present disclosure provides a self-propelled pathogen detection device in which a place where a pathogen is highly likely to be present in a space such as an inside of a facility is allowed to be configured preferentially to be a target region of detection. The self-propelled pathogen detection device according to the present disclosure comprises a housing; a detection part for detecting a pathogen; a movement mechanism for moving the housing; a position acquirement part for acquiring position information representing a current position of the housing in a space; and a control part which determines a target region in the space on the basis of traffic line information on a person in the space, and controls the movement mechanism to move the housing in the target region on the basis of the position information. The detection part detects the pathogen in the target region.

Abstract: The present invention discloses a reciprocating hair removal device for floor cleaning, comprising a roller brush, a first driving structure for rotating the a roller brush, a sliding rail parallel to the roller brush and a sliding block connected to the sliding rail; wherein the surface of the rolling brush is formed with two spiral grooves opposite to each other, the head ends of the two spiral grooves are connected, and the tail ends of them are connected to form a reciprocating spiral groove; wherein the sliding block is provided with a hair removal knife extending from one end to the reciprocating spiral groove; when the roller brush rotates, the hair removal knife reciprocates along the reciprocating spiral groove with respect to the roller brush. Therefore, the present invention can automatically remove foreign matter such as hair entangled on the roller brush during the brush cleaning operation.

Abstract: An assembly that includes a particle collecting container and a cyclone pre-separator placed on the particle collecting container, where the particle collecting container has a rectangular container bottom and four container peripheral walls which extend upwards from the container bottom and define a horizontal outer contour of the particle collecting container, and where the cyclone pre-separator has a particle outlet which is designed to dispense particles which have been separated in the cyclone pre-separator into the particle collecting container. The horizontal outer contour defined by the container peripheral walls tapers towards the container bottom and the particle collecting container can he stacked into an identical particle collecting container.

Abstract: A vacuum cleaner system includes a docking station and a mobile vacuum cleaner. The docking station includes a charging stand and a parking plate. The parking plate is connected to the charging stand, and formed with two position-limiting slots. The mobile vacuum cleaner includes a working machine body and two transmission wheels. The transmission wheels are rotatably arranged on the working machine body for traveling the working machine body. When the transmission wheels are moved into the position-limiting slots, respectively, the mobile vacuum cleaner presses the parking plate by a gravity of the mobile vacuum cleaner through the two transmission wheels.

Abstract: The embodiments of the present application provide a cleaning device and a roller brush component. The roller brush component includes a mounting base, a roller brush frame, an adjusting mechanism, a first roller brush and a second roller brush. A notch is formed on one side of the mounting base. The roller brush frame is rotatablely connected with the mounting base. The adjusting mechanism is in driving connection with the roller brush frame to drive the roller brush frame to rotate. The first roller brush and the second roller brush are connected with the roller brush frame, and the roller brushes are positioned in the notch. The roller brush frame, the first roller brush and the second roller brush are configured such that the first roller brush and the second roller brush may have different ground clearances during rotation of the roller brush frame.

Abstract: The present disclosure discloses an automated floor cleaning apparatus, has an automatic cleaning robot and a washing base; the rear end of the robot body of the automatic cleaning robot is provided with a mop mechanism, the mop mechanism comprises a rotation component rotatably connected to the robot body and a crawler-type wiping cloth sleeving outside and rotating along with the rotation component. The invention provides can automatically and effectively removes dirt attached to the crawler-type wiping cloth, avoiding artificial detaching and then cleaning the wiping cloth stained with dirt, automatically performing washing operation, greatly alleviating operation burden of a user, and having a good floor sweeping effect.

Abstract: A sweeper/scrubber assembly may be used to clean a floor surface without dry sweeping or mopping solid debris from the floor surface before conveying the sweeper/scrubber assembly over the floor surface. In some examples, the sweeper/scrubber assembly includes at least two counter-rotating brushes, a cleaning fluid dispensing system, a vacuum squeegee, and a solid debris collection reservoir. The cleaning fluid dispensing system can dispense cleaning fluid on the floor being cleaning and or one or both brushes. The vacuum squeegee can be positioned against a face of one of the brushes and can apply a vacuum suction force to the face of the brush. The solid debris collection reservoir can be a space not exposed to a vacuum force that collects solid debris thrown by the rotating brushes.

Abstract: Provided are a cleaner having a circulation system of collecting water used in damp cloth, filtering the same, and supplying the filtered water to the cloth, and a control method thereof. The cleaner includes a storage unit storing water, a collecting unit intaking water used in a cloth and introducing intaken water to an upper side of the storage unit, a filter unit filtering water collected by the collecting unit, a water supply unit allowing water within the storage unit to flow out from a lower portion of the storage unit so as to be supplied to the cloth, a vacuum motor operated to cause water to be intaken to the storage unit through the collecting unit, and a pump operate to allow water to be transferred through the water supply unit.

Abstract: A floor cleaner includes an electrically powered component and a power switch. The power switch includes a button including an actuator surface and a wall that extends away from the actuator surface. The power switch further includes a frame, the button movable relative to the frame to operate the power switch. The frame includes an inner wall that defines a button aperture, the button extending into the button aperture, an outer wall, a fluid outlet, and a fluid collection surface between the inner wall and the outer wall that directs fluid on the fluid collection surface toward the fluid outlet. The wall of the button is received in a gap between the inner wall and the outer wall of the frame so that fluid is directed along the wall of the button to the fluid collection surface and inhibited from passing through the button aperture.

Abstract: A robot trapping detecting device, mainly uses a shaft body to drive a convex body to rotate, and a convex portion is disposed around the convex body, so when a binding surface of a binding body is touched to the convex body and the convex body is rotated to the disposing position of the convex portion, the binding body is driven upward, and then, when the convex body is rotated to a position other than the disposing position of the convex portion, the binding body is driven downward, so that a sensed body disposed on a linking component is driven up and down by the linking component, and a sensing body senses a displacement change of the sensed body to determine whether a robot has stopped moving.

Abstract: A cleaning appliance and a controlling method and system for the same are provided. The controlling method includes an application transmitting a work parameter for the cleaning appliance to a cloud server; the cloud server receiving the work parameter and transmitting the work parameter to the cleaning appliance; the cleaning appliance receiving the work parameter, working in accordance with the work parameter, acquiring work data of the cleaning appliance in a working process and transmitting the work data to the cloud server; and the cloud server generating recommended cleaning data according to the work parameter and the work data, and transmitting the recommended cleaning data to the cleaning appliance, to enable the cleaning appliance to work in accordance with the recommended cleaning data in a subsequent working process, to provide the user with intelligent home experiences, reminding the user to clean, recommending a cleaning plan to the user, etc.

Abstract: A floor cleaner (10) including a fluid supply tank (14) of a first volume, a fluid delivery system (20) in communication with the supply tank, and a sealed pliable container (12) made of water-insoluble plastic film. The sealed pliable container having a second volume, a front panel (30) and aback panel (32) forming the second volume there between. The sealed pliable container having an upper end (38) when the front panel 54 and the back panel are in a vertical orientation, the sealed pliable container having a reinforced panel (42) at the upper end, an aperture (48) positioned through the reinforced panel above a center of gravity of the container. A concentrated floor cleaning chemical is in the sealed pliable container. The concentrated floor cleaning chemical has a formulated volume percent concentration at use dilution being (the second volume/the first volume)×100 v/v% floor cleaning chemical.

Abstract: A self-wringing foam cotton mop includes a mop rod and a foam cotton head connected to a bottom end of the mop rod. A wringing frame is disposed on the mop rod. During mopping, the foam cotton head is separated from the wringing frame. A squeezing mechanism capable is disposed on the wringing frame. The position of the squeezing mechanism when the foam cotton head is moved up relative to the wringing frame is different from the position of the squeezing mechanism when the foam cotton head is moved down relative to the wringing frame, and a first amount of deformation generated by the foam cotton head during an upward movement of the foam cotton head relative to the wringing frame is greater than the second amount of deformation generated by the foam cotton head during a downward movement of the foam cotton head relative to the wringing frame.

Abstract: A cleaning kit. The cleaning kit includes a first liquid-tight container and a second liquid-tight container, the second liquid-tight container adapted to be ruptured by the application of pressure by a user to the second container. The second container includes a baffle extending at least partially across the second container adapted to reduce accidental rupture caused by handling during shipping and a frangible seal along at least a portion of the boundary between the first container and the second container. A cleaning liquid may be in the second container and there may be at least one absorbent applicator in the first container and adjacent to the second container whereby the release of cleaning liquid from the second container is applied to the applicators in the first container.

Abstract: A wringing assembly may include a plurality of spaced apart pressure applicators, such as may be used for applying pressure to a mop element having a cleaning, absorbent or wiping material supported on the mop element. The pressure applicators may be supported so as to be centered or symmetrical on each side of a center of a wringing surface. The wringing assembly may include a substantially centered actuation element such as a handle. An actuation element on a wringing assembly may also include a receptacle for an element of a mop or other cleaning tool, such as a handle A bucket positioning device includes a spring-loaded assembly having a hook for a bucket rim and a base for engaging a bottom of a bucket or a wheel unit.

Abstract: An ultrasonic cleaning apparatus with a cleaning reservoir having a plurality of chambers, which are selectably fillable with cleaning fluid. The chambers of the multi-chamber reservoir are fluidly interconnectable, the apparatus further comprising a fluid distribution pump and a controller for sequentially controlling a fluid flow between the chambers during an ultrasonic cleaning cycle. Such a multi-chamber reservoir has the advantage of reducing the total volume of fluid required to clean vessels in the reservoir, since the cleaning process can be performed in a staged or sequential procedure, and the cleaning and/or rinsing fluid reused in each chamber, allowing the apparatus to be more compact.

Abstract: Disclosed is a cleaning device for cleaning items to be cleaned. The cleaning device has at least one cleaning chamber and at least one covering device at least partially surrounding the cleaning chamber. The covering device can be moved in an opening movement direction from a closed position into an open position or in a closing movement direction from an open position into a closed position by means of at least one electromechanical drive via at least one transmission. The cleaning device furthermore has a sensor, which is designed to detect an action of a manual force on the covering device in the opening movement direction or in the closing movement direction. The cleaning device is furthermore designed to control the electromechanical drive in accordance with the detection of the action of the manual force.

Abstract: A dishwasher includes a dishwashing compartment having a front side with a charging opening for allowing the dishwashing compartment to be charged with washware. The dishwashing compartment includes a U-shaped metal shroud to define a right-hand side wall, a ceiling and a left-hand side wall, a hollowed metal floor produced from a deep-drawn part, and a metal rear wall fitted to a rear side of the metal shroud and of the hollowed metal floor. The right-hand and left-hand side walls of the metal shroud are connected along their respectively lower wall edges to the hollowed metal floor via external interfaces, with each of the external interfaces having a form-fitting connection. A compartment door is provided to close the charging opening, at least temporarily.

Abstract: A tablet dosing system, in particular for a domestic dishwasher, includes a magazine for stocking cleaning tablets in a plurality of stacks arranged side by side in a row, and an extractor for extracting cleaning tablets from the magazine. The extractor comprises an extractor member which is arranged to be movable relative to the magazine and which is adapted, without changing the position of the stacks, to serve each of the stacks for the purpose of extracting cleaning tablets. The extractor member is in the form of an extractor roller having a plurality of extraction pockets distributed along the roller axis for each receiving at least one cleaning tablet from the stacks or the extractor member is in the form of a linearly movable extractor slider which is able to serve two adjacent stacks alternately for the purpose of tablet extraction.

Abstract: The present invention is a cleaning tool (10) including a cleaning head (18) and a containment system (12) connected to the cleaning head (18). The containment system (12) includes a chamber (24) and a containment (13) including a cleaning mixture (14). The containment (13) is positionable within the chamber (24) and the cleaning mixture (14) is dispensable from the chamber (24).

Abstract: An optical module is configured being provided with: a first case fixed to an implementation surface of an implementation substrate to cover an LD and an LD driver; a first filler filled in the first case to seal the LD and the LD driver; a second case fixed to the implementation surface of the implementation substrate to cover the first case in a state of not adhering to the first case; a third case accommodating the implementation substrate and the second case inside; and a second filler filled in the third case to seal the implementation substrate and the second case.

Abstract: An endoscope apparatus includes a light source apparatus, an image processing circuit configured to subject a first image or a second image obtained by irradiating first or second narrow band light to predetermined image processing and output the image, and a control circuit configured to perform control to acquire signal intensity information about a signal intensity of the image pickup signal outputted from the image pickup device in response to irradiation with the first narrow band light based on a current operation state of a light source configured to generate first narrow band light and further maintain a ratio of respective brightnesses of the first image and the second image used for generating the observation image to be a predetermined ratio based on the signal intensity information.

Abstract: A medical device includes a sheath extending longitudinally from a proximal end to a distal end and a handle coupled to the proximal end of the sheath. The handle includes a deflection lever coupled thereto. The deflection lever is rotatable proximally and distally along the handle to deflect a distal end of the shaft to which it is operably coupled and a locking mechanism movable between an locked configuration in which the locking mechanism engages an engagement feature on the outer surface of the handle, preventing the deflection lever from rotating and locking the distal end of the shaft in a desired position, and an unlocked configuration in which the locking mechanism releases the engagement feature to allow rotation of the deflection lever and deflection of the distal end of the shaft.

Abstract: A medical device operable to obtain images of an internal cavity of a patient, including a handle; a flexible tube; a front end cap housing a camera assembly; a bending section extending from the flexible tube and including a proximal end segment and a distal end segment; a peripheral wall having an inner surface defining an internal space and including a cavity extending radially outwardly from the inner surface; a member having an outer surface and positioned at least partly in the internal space with the cavity overlapping the outer surface; and a protrusion of a hardened adhesive bonded to the outer surface of the member and extending into the cavity of the peripheral wall, wherein the member is one of, and the peripheral wall is comprised by another of, the flexible tube, the proximal end segment, the distal end segment, or the front end cap.

Abstract: An invasive medical device (10) is disclosed comprising an elongate device portion (20) attached to a handle (30), the elongate device portion including a flexible tip (21) at a distal end of the elongate device portion and a plurality of pull wires (23) attached to said flexible tip; and a plurality of electrically conductive shape memory elements (33) entirely contained with in said handle, each of the shape memory elements coupled to and extending in a length direction between one of said pull wires and a current source connection (61) arranged to provide an electrical current to said electrically conductive shape memory element, each of the electrically conductive shape memory elements having a negative coefficient of expansion in said length direction. The invasive medical device (10) preferably comprises a cooling arrangement (70, 80) for the plurality of electrically conductive shape memory elements to reduce the relaxation times of the shape memory elements.

Abstract: A deflectable endoscope including an imaging structure, an outer member having a proximal portion and a distal portion, an elongated column member extending distally from the outer member and an inner member positioned coaxial with the outer member and attached to the column member. The inner member extends distally of the outer member and has a distal tip portion. A reinforcement member is positioned over the column member to restrict axial movement of the column member such that when one of the inner member or outer member is moved with respect to the other, axial compression of the column member is restricted by the reinforcement member causing the distal tip portion of the inner member to deflect laterally.

Abstract: An endoscope pipe with a central, elongated observation window on the distal end, whereby several light outlet openings for fiberoptic end surfaces are positioned close to the observation window for illuminating the angle area observed through the observation window and the light outlet openings are positioned asymmetrically in relation to the longitudinal extension of the observation window and/or the fiberoptic end surfaces are held in the light outlet openings in such a way that light is beamed from the fiberoptic end surfaces into the angle area in various directions.

Abstract: A scope system includes a processor and a scope device. The scope device includes a handle configured to remain outside of the body and an elongated shaft extending from the handle to a distal tip and including a working channel extending therethrough. The working channel is open at the distal tip of the shaft. The shaft is inserted through a bodily lumen to a target surgical site. The shaft includes at least one sensor transmitting to the processor sensor data relating to the target surgical site.

Abstract: A medical endoscope includes a circuit board, on which an image capture device and a LED bare die are mounted. The LED die is attached to the circuit board and electrically connected to a conductor pattern of the circuit board by conductive members. Next, a sealing member is coated onto the circuit board to embed the LED bare and the conducting members therein. The medical endoscope will have smaller size than the prior arts.

Abstract: A protective cover set for a medical probe that includes a joint that seals both a moisture resistant probe cover and a surrounding wrapper that provides a barrier against microbial intrusion into the space between the outer wrapper and the probe cover. The sealed joint fixes the probe cover in place in relation to the outer wrapper. In some examples, the sealed joint secures a prefabricated probe cover with a three-dimensional non-planar shape in relation to the outer wrapper.

Abstract: A medical imaging system including: imaging circuitry configured to capture an image; a defractive filter array mounted over the sensor circuitry and a separation device configured to adjust the distance between the defractive filter array and the sensor circuitry.

Abstract: A ureteroscope system includes a handle including a first port and a second port and an elongated shaft extending from the handle to a distal end and including a shaft lumen open at the distal end of the shaft. The shaft is be inserted through a bodily lumen to a target surgical site. The first port is in communication with a handle channel which is in communication with the shaft lumen and the second port is in communication with a working channel extending through the handle and the shaft lumen to the distal end of the shaft. The system also includes a fluid source connected to the first port and pumps fluid through the handle channel and the shaft lumen to irrigate the site and a vacuum source connected to the second port and applies suction through the working channel to dislodge debris from the site.

Abstract: The invention relates to a method of simultaneously calibrating magnetic actuation and sensing systems for a workspace, wherein the actuation system comprises a plurality of magnetic actuators and the sensing system comprises a plurality of magnetic sensors, wherein all the measured data is fed into a calibration model, wherein the calibration model is based on a sensor measurement model and a magnetic actuation model, and wherein a solution of the model parameters is found via a numerical solver order to calibrate both the actuation and sensing systems at the same time.

Abstract: A capsule endoscope system includes: a capsule endoscope configured to generate images by imaging a subject through irradiation of the subject with illumination light; and a processor including hardware, the processor being configured to determine, based on an image to be determined or associated information associated with the image to be determined, whether or not the image to be determined is suitable for control of operation of the capsule endoscope, the image being one of the images generated.

Abstract: A method and system for computing an HDR image (38) from a digital color input image (4) of an object (30) containing a fluorescing fluorophore (22) acquires the input image using a color camera (2) having at least two different types (16, 17, 18) of color sensor (8), such as an R, G and B sensor. The input image may be recorded in a co-sensing wavelength band (64, 66, 68) wherein different spectral responsivities (58, 60, 62) of the different types of color sensor overlap. The input image comprises different digital monochrome input images (6), each recorded by a different type of color sensor. Light incident on the camera may be filtered using a band-pass filter (32) having a tunable pass band (34) which defines the co-sensing wavelength band and may be adjusted depending on spectral responsivities of the color sensors, the fluorophore, and characteristics of the monochrome input images.

Abstract: An endoscope light source device is constituted by a first light source unit that emits light in a first wavelength band, a second light source unit that emits light in a second wavelength band, a light path combining means for combining the light paths of the light emitted from the first and second light source units, and a light source control means for controlling light emission of the light source units separately. When the light source units are driven to emit light in a first mode, the respective wavelength bands of light are emitted at a first intensity ratio and combined with each other to obtain normal light, which is supplied to an endoscope.

Abstract: A medical endoscope includes a circuit board, on which an image capture device and a LED bare die are mounted. The LED die is attached to the circuit board and electrically connected to a conductor pattern of the circuit board by conductive members. Next, a sealing member is coated onto the circuit board to embed the LED bare and the conducting members therein. The medical endoscope will have smaller size than the prior arts.

Abstract: The invention discloses a detector capable of autonomously detecting the oral cavity, which includes a headband. The right end of the headband is fixedly provided with a detector, and the left end surface of the detector is fixed with an eyecup. The headband is worn behind the head. The eyecup is covered around the eyes, a display screen is provided in the headband and on the right side of the eyecup, and a light-passing port is provided between the display screen and the eyecup, and in the light-passing port A light blocking plate is provided, and an opening and closing device is provided on the upper side of the display screen and the light-passing port. The opening and closing device is provided with a lifting plate. The present invention is worn on the head and surrounds the eyes with an eye mask. The VR displays the images detected in the oral cavity. By holding a small camera in the oral cavity, the user can clearly see the situation inside the oral cavity and protect privacy.

Abstract: An endoscope reprocessing method includes: cleaning, disinfecting, or sterilizing an inside of a pipe line and an outer surface of an endoscope accommodated in a treatment tank; rinsing the outer surface of the endoscope with a rinsing liquid while filling the inside of the pipe line of the endoscope with gas; collecting a first sample from the rinsing liquid used for rinsing the outer surface of the endoscope; rinsing the inside of the pipe line of the endoscope with the rinsing liquid; and collecting a second sample from the rinsing liquid used for rinsing the inside of the pipe line of the endoscope.

Abstract: An apparatus includes a shaft, an imaging head, and a processor. The shaft includes a distal end sized to fit through a human nostril into a human nasal cavity. The imaging head includes an image sensor assembly, a plurality of light sources, and a plurality of collimators. At least some of the light sources are positioned adjacent to the image sensor assembly. Each collimator is positioned over a corresponding light source of the plurality of light sources. The processor is configured to activate the light sources in a predetermined sequence. The image sensor assembly is configured to capture images of a surface illuminated by the light sources as the light sources are activated in the predetermined sequence.

Abstract: Accommodating ophthalmic devices including an ambient light sensor and an accommodation sensor and related methods of use are described. In an example, the accommodation sensor is configured to measure a biological accommodation signal of an eye on or in which the accommodating ophthalmic device is mounted. In an embodiment, the accommodating ophthalmic device is configured to measure the biological accommodation signals based on ambient light, such as based on an intensity or amount of ambient light, incident on the accommodating ophthalmic device. Such ambient light may be measured with the ambient light sensor.

Abstract: A computer-implemented method of searching for a region indicative of a pathology in an image of a portion of an eye acquired by an ocular imaging system, the method comprising: receiving image data defining the image; searching for the region in the image by processing the received image data using a learning algorithm; and in case a region in the image that is indicative of the pathology is found: determining a location of the region in the image; generating an instruction for an eye measurement apparatus to perform a measurement on the portion of the eye to generate measurement data, using a reference point based on the determined location for setting a location of the measurement on the portion of the eye; and receiving the measurement data from the eye measurement apparatus.

Abstract: An apparatus, method, computer-readable medium, and computer program product, for designating an OCT scan location to be performed on a retina. The apparatus comprises a display device for displaying an image comprising a background image of the retina and a planning element designating the location; a touch-sensitive input device that generates touch interaction data indicative of touch interaction of a user with the input device; an image manipulation module determines, based on the touch interaction data, a manipulation to be performed on the displayed image, and applies the image manipulation to the image in response to each touch interaction to generate an updated image to display; and a scan location designation module generates data indicative of the location of the OCT scan to be performed, based on a location of the planning element on the background image in at least one updated image.

Abstract: A binocular brightness sensitivity measurement method based on a wearable display device includes: loading a first test image and a second test image which has a brightness different from that of the first test image respectively for two eyes of a user under test; adjusting the brightness of the first test image and/or the second test image until a predefined brightness sensitivity perception test condition is fulfilled; acquiring a brightness difference between the first test image and the second test image; and determining a binocular brightness sensitivity of the user under test based on the brightness difference.

Abstract: A low coherence imaging method comprises acquiring image data of an object with an interferometric imaging system, where the image data is from a location of the object at first and second times; determining a first depth profile from the image data from the location at the first time and a second depth profile from the image data of the location at the second time; determining a change with respect to depth between the first and second depth profiles; and determining a property, or identifying a location, of at least one dynamic particle in the object based on the change between the first and second depth profiles. The method is able to identify, analyze, and/or visualize dynamic particles with features comparable to at least fluorescein angiography, indocyanine green angiography, confocal scanning laser fluorescein angiography, confocal scanning laser indocyanine green angiography, and fluorescence microscopy images, without the use of a dye.

Abstract: An optical coherence tomography apparatus includes a control unit configured, before a tomographic image to be stored is obtained using the output from the light receiving unit during a period in which the measurement light is scanned in a first scanning pattern for scanning an image capturing region of the subject eye, to control the optical scanning unit so as to repeatedly scan the measurement light in a second scanning pattern for scanning the measurement light over at least part of the image capturing region in a scanning time shorter than a scanning time of the first scanning pattern and to control the driving unit so as to drive the focusing unit using the output from the light receiving unit during a period in which the measurement light is repeatedly scanned in the second scanning pattern.

Abstract: Improved optical coherence tomography systems and methods to measure thickness of the retina are presented. The systems may be compact, handheld, provide in-home monitoring, allow the patient to measure himself or herself, and be robust enough to be dropped while still measuring the retina reliably.

Abstract: Disclosed embodiments may include a device, system and method for providing a low cost device that can measure refractive errors very accurately via attachment to a smart phone. A disclosed device may use ambient light or a light source in simulating the cross cylinder procedure that optometrists use by utilizing the inverse Shack-Hartman technique. The optical device may include an array of lenslets and pinholes that will force the user to effectively focus at different depths. Using an optical device, in conjunction with a smart phone, the user first changes the angle of the axis until he/she sees a cross pattern (the vertical and horizontal lines are equally spaced). The user adjusts the display, typically using the controls on the smartphone, to make the lines come together and overlap, which corresponds to bringing the view into sharp focus, thus determining the appropriate optical prescription for the user.

Abstract: A method for determining a pupillary distance of an individual, includes the following steps: —displaying an object on a screen located in front of the individual, the displayed object being positioned at a location in front of one eye of the individual; —instructing the individual to look with at least the eye at the displayed object; —acquiring at least an image of a part of the body of the individual including the eye; —determining the location of a plurality of specific features in the acquired image, one of the specific features being a pupil of the eye of the individual; and —calculating the pupillary distance based on the location of the plurality of specific features. A corresponding system is also described.

Abstract: An example device is configured to capture an image of an eye. The device includes a camera configured to capture the image of the eye. The device also includes: a first base configured to be moved along a first axis to position the camera to capture the image of the eye; a second base configured to be moved along a second axis to position the camera to capture the image of the eye; and a third base configured to be moved along a third axis to position the camera to capture the image of the eye.