Abstract: A method of performing an optometric examination of a patient includes positioning the patient behind a phoropter; presenting visual stimuli to the patient using a computer-controlled device; recording the patient's response to the stimuli; automatically adjusting the settings of the phoropter to improve one or more characteristics of the patient's vision; and automatically determining the prescription for the refractive error correction for the patient.

Abstract: This optometry system, for presenting a test chart to an eye being tested and subjectively measuring an optical characteristic of the eye being tested, is provided with a setting means which sets a reference value based on the subject's reaction time to a test chart, a reaction input means which inputs the response of the subject reading the test chart, a control means which automatically advances the test on the basis of an input signal from the response input means, and a guidance information output means which, on the basis of the reference value set by the testing means, outputs guidance information for guiding the subject to input a response during testing of the eye being tested. Hereby, it is possible to accurately carry out a subjective test on the eye being tested.

Abstract: An eyeglass frame shape measurement device includes an optical measurement unit, a probe unit, a holding unit that holds the optical measurement unit and the probe unit, a changing portion that integrally moves the optical measurement unit and the probe unit with respect to an eyeglass frame to change a measurement position with respect to a groove of a rim of the eyeglass frame, and a controller that controls an operation of the eyeglass frame shape measurement device. The controller controls an operation of the changing portion to measure the groove of the rim of the eyeglass frame, acquires a cross-sectional shape of the groove of the rim of the eyeglass frame based on a detection result detected by the optical measurement unit, and acquires a shape of the rim of the eyeglass frame based on a detection result detected by the probe unit.

Abstract: A processor of an ophthalmologic image processing device acquires an ophthalmologic image photographed by an ophthalmologic image photographing device. The processor inputs the ophthalmologic image into a mathematical model trained by a machine learning algorithm to acquire a result of an analysis relating to at least one of a specific disease and a specific structure of a subject eye. The processor acquires information of a distribution of weight relating to an analysis by a mathematical model, as supplemental distribution information, for which an image area of the ophthalmologic image input into the mathematical model is set as a variable. The processor sets a part of the image area of the ophthalmologic image, as an attention area, based on the supplemental distribution information. The processor acquires an image of a tissue including the attention area among a tissue of the subject eye and displays the image on a display unit.

Abstract: A method of producing a photochromic resin body includes a first step, a second step and a third step. In the first step, a sublimable photochromic dye having sublimability is applied to a base body so as to obtain a function-adding base body. In the second step, the function-adding base body obtained in the first step is set to face a resin body, the function-adding base body is heated to sublimate the sublimable photochromic dye applied to the function-adding base body, and the sublimable photochromic dye is deposited on the resin body. In the third step, the resin body on which the sublimable photochromic dye is deposited in the second step is heated to fix the sublimable photochromic dye on the resin body.

Abstract: A fundus image processing apparatus including a controller configured to perform image acquisition processing of acquiring a three-dimensional tomographic image of the fundus of the subject eye, reference position setting processing of setting a reference position in a region of an optic nerve head in the two-dimensional measurement region in which the three-dimensional tomographic image was captured, radial pattern setting processing of setting a radial pattern with respect to the two-dimensional measurement region, image extraction processing of extracting a two-dimensional tomographic image in each of a plurality of lines of the radial pattern set in a redial pattern setting processing, and optic nerve head end detection processing of detecting a position of an end of the optic nerve head captured in the three-dimensional tomographic image.

Abstract: A target image to be corrected is generated by arranging partial images acquired by scanning a tissue of a living body with light and temporally continuously receiving the light from the tissue. A processor of a medical image processing device performs detecting position shift amounts, acquiring a component, and correcting. In the process of detecting position shift amounts, the processor detects the position shift amounts between the partial images (S3). In the process of acquiring, the processor acquires an assumed result of at least one of a component in the position shift amount caused by movement of the tissue, and a component in the position shift amount caused by a shape of the tissue (S4). In the process of correcting, the processor corrects a position of each of the partial images based on the component in the position shift amount (S7).

Abstract: A dyeing data management method is performed between dyeing systems disposed at different locations. The method includes a first dyeing step of dyeing a lens in a first dyeing system, a first acquisition step of acquiring first result color information of the lens dyed in the first dyeing system, a dyeing data creation step of creating dyeing data based on a discharge amount of dye in the first dyeing step and the first result color information, a data provision step of providing the dyeing data for dyeing a lens to a predetermined color from the first dyeing system to a second dyeing system, a second dyeing step of performing dyeing of a lens according to the provided dyeing data in the second dyeing system, and a second acquisition step of acquiring second result color information of the lens dyed in the second dyeing system.

Abstract: An image processor performs a histogram acquisition step of acquiring a histogram representing a distribution of gradation values of pixels in a fundus color image captured by irradiating a fundus with a plurality of beams of single-color light having different wavelengths, the histogram being acquired for each channel corresponding to each beam of single-color light, a histogram correction step of acquiring a corrected histogram by correcting the histogram of each channel acquired in the histogram acquisition step, of which a target pattern is set for each channel in advance, so as to fit to the corresponding target pattern, and a color tone corrected image generation step of generating a color tone corrected image, in which a distribution of gradation values for each channel is represented by the corrected histogram, based on the corrected histogram of each channel.

Abstract: An ophthalmic apparatus includes a tester having a target projecting optical system and a target photographing optical system. with a configuration on an examinee's eye side being non-telecentric, an alignment adjuster that adjusts at least a positional relationship between an examinee's eye and the tester in the direction of a working distance between the examinee's eye and the tester, and a corrector that acquires an actual error from a proper working distance based on association information indicating the association of position information on the positions of first and second target images on an observation image with an error in the working distance with respect to the proper working distance due to the corneal curvature radius of the examinee's eye and the non-telecentricity of the target photographing optical system and the position information on the tester at the current position thereof in the working distance direction, correcting the actual error.

Abstract: An eyeglasses lens measurement device measures an eyeglasses lens of eyeglasses. The eyeglasses lens measurement device includes a light source that emits a measurement light flux toward the eyeglasses lens, a transmissive display that transmits the measurement light flux from the light source and displays an index pattern formed by arranging a plurality of indexes, a detector that detects the measurement light flux passing through the eyeglasses lens and the transmissive display, and a controller. The controller is configured to control a display of the index pattern, acquire an optical characteristic of the eyeglasses lens, based on a detection result of the detector, and acquire lens information different from the optical characteristic of the eyeglasses lens, based on a detection result of the detector.

Abstract: A fragmentation tip includes a shaft part and a fragmentation part. The shaft part has a tubular shape having a center axis that matches with a rotational axis of the fragmentation tip. The fragmentation part has a tubular shape and is connected to a distal end portion of the shaft part such that a center axis thereof is inclined to the rotational axis of the fragmentation tip. The fragmentation part and the shaft part form a suction passage therein. The fragmentation part has an annular open end at its distal end. The open end has a linear open end linearly formed when seen from a distal end side in the rotational axis. The linear open end is formed in a portion of the annular open end that is the closest to the rotational axis. The rotational axis passes through a region inside an outer circumference of the annular open end.

Abstract: An ophthalmic image processing apparatus includes a processor. The processor acquires a first image as a color fundus image, and corrects a pixel value of at least any color component in the first image, based on color gamut information for specifying a predetermined color gamut to be applied to a color fundus image, to generate a color gamut-corrected image.

Abstract: A first region is a circular region located at the centermost position. A first refractive power is uniformly added to the first region regardless of the distance from an axis of a lens part. A second region is a ring-like region located outside and adjacent to the first region. In the second region, a refractive power is increased or decreased from the first refractive power as the distance from the axis becomes larger. An outer region is a ring-like region located outside the second region. A reference refractive power for focusing on a far point is added to the outer region. An MTF curve at spatial frequency of 50 lp/mm relating to light passing through a region having a radius of 1.5 mm around the axis has one maximal value and no minimal value in a range of a defocusing value of ?0.5 D to 0.5 D.

Abstract: A subjective optometry apparatus includes an optometry unit having an optical member, being located in front of a subject eye, and changing optical characteristics of a target light flus with using the optical member, and a measurement optical system that has a light projecting optical system for applying measurement light emitted from a measurement light source to a fundus of the subject eye through the optometry unit, and a light receiving optical system in which a detector receives reflected light of the measurement light reflected on the fundus of the subject eye through the optometry unit, and that objectively measures the optical characteristics of the subject eye. An optical axis of the measurement optical system is set to be off-axis from an optical axis of the optical member in the optometry unit.

Abstract: An OCT apparatus processes an OCT signal based on reference light and measurement light with which a subject eye is irradiated to capture a tomographic image of a tissue of the subject eye. The OCT apparatus includes a controller. The controller captures a three-dimensional tomographic image of the tissue by irradiating a two-dimensional measurement region, which expands in a direction intersecting an optical axis of the measurement light, with the measurement light. The controller extracts a two-dimensional tomographic image from the three-dimensional tomographic image to display the two-dimensional tomographic image on a display unit. The controller sets an additional imaging position of a tomographic image in a state where the two-dimensional tomographic image is displayed on the display unit. The controller performs additional capturing of a tomographic image by irradiating the set additional imaging position with the measurement light.

Abstract: A fundus imaging apparatus includes an imaging optical system that irradiates a fundus of a subject eye with light through an objective lens system, and enables to capture a fundus image of the subject eye based on return light from the subject eye, and a diopter correction unit that includes an optical element disposed on an optical path of the imaging optical system and a drive unit driving the optical element, and performs a diopter correction with a diopter value corresponding to a drive amount of the optical element. A drive range of the optical element in the diopter correction unit is set to avoid a specific range being a range in which an artifact caused by reflection light in the objective lens system is maximized.

Abstract: An ophthalmological image processing apparatus acquires a plurality of images of a subject eye photographed in a scanning-type imaging optical system, sets any one of the plurality of images as a template, sets corresponding points or corresponding regions between an image of the subject eye and the template at a plurality of positions of each of the image of the subject eye and the template, calculates a movement amount of each of the corresponding points or each of the corresponding regions, and corrects a distortion of the image of the subject eye with respect to the template based on the movement amount of each of the corresponding points or each of the corresponding regions.

Abstract: A controller of a medical image processing device acquires a medical image of a subject. The controller causes a display to display a pre-modification image in which at least the position or range of a lesion to be modified on the medical image is displayed. The controller receives an instruction to designate at least the position or range of the lesion to be modified in a state in which the pre-modification image is displayed on the display. When at least the position or range of the lesion is designated, the controller acquires a predicted disease image in which the lesion is modified according to the designated information on the basis of the medical image. The controller causes the display to display the predicted disease image and the pre-modification image simultaneously or in a switching manner.

Abstract: An optometry system for examining a subject eye of an examinee includes an optometry device for examining the subject eye, an imaging unit that captures an image of an examination room including the examinee and the optometry device, and a remote operation unit that includes a display unit which displays an operation screen for operating the optometry device and an captured image captured by the imaging unit, and a display control unit which controls display of the display unit to display the operation screen and the captured image on the display unit. The remote operation unit enables an examiner to observe the captured image displayed on the display unit to guide the examinee to an examination position.