Abstract: Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4 and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens base material 2 having a plurality of base material convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and a coating film covering the surface provided with the base material convex portions 6, in which convex portions present on the outermost surface of the eyeglass lens 1 located on a side on which the base material convex portions 6 are provided and the base material convex portions 6 have common light ray convergence properties.

Abstract: Provided is an eyeglass lens 1 configured to cause rays that have entered from an object-side surface 3 to be emitted from an eyeball-side surface 4 and cause the emitted rays to converge at a predetermined position A. The eyeglass lens 1 includes a lens base material 2 having a plurality of base material convex portions 6 on at least one of the object-side surface 3 and the eyeball-side surface 4, and the eyeglass lens 1 has a configuration for suppressing stray light rays that do not pass through the vicinity of the predetermined position A or the vicinity of the position B that is closer to the object than the predetermined position A is.

Abstract: Provided is a method for evaluating production precision of a spectacle lens having micro convex segments protruding from a convex surface on an object side of the spectacle lens, including measuring a shape of the convex surface of the spectacle lens; setting an actual device virtual model including a spectacle lens model based on the measured shape and an eyeball model; performing ray tracing calculation on the actual device virtual model and specifying an actual device convergence position where light rays converge on an front side of a retina of the eyeball model; and evaluating production precision of the spectacle lens on the basis of the actual device convergence position.

Abstract: A pair of right and left spectacle lenses each includes: a distance vision region and a near vision region; and a progressive region in which a refractive power progressively changes between the distance vision region and the near vision region. In the pair of right and left spectacle lenses mounted in a spectacle frame, a height position of a distance eye point that is a reference point of the distance vision region is different between right and left, and a corridor length connecting the distance vision region and the near vision region is different between right and left.

Abstract: In a simulation system in which a terminal device employed in a spectacle shop and a display device for visually recognizing by a prospective spectacle lens wearer, are connected to a server device so as to capable of communication: the server device includes an image generation unit that achieves a state in which a simulation image reflecting lens visual performance of a spectacle lens can be output for each of plural partial visual field areas, and an information storage unit that stores explanatory information regarding characteristics of the lens visual performance for each of the plural partial visual field areas; the display device includes a display screen unit that selectively displays the simulation images in the partial visual field areas; and the terminal device includes an information output unit that outputs the explanatory information corresponding to the partial visual field area being displayed on the display screen unit.

Abstract: There is provided a simulation device for virtually displaying an image to be viewed through a spectacle lens by a wearer of a spectacle lens, including: an imaging camera configured to perform imaging in a visual field of the wearer; a depth sensor configured to acquire a depth image in the same view angle as an imaging result obtained by the imaging camera; a data acquisition unit configured to acquire lens data of the spectacle lens; an image creation unit configured to create a simulation image on which a view of an image to be viewed through the spectacle lens is reflected, by applying image processing to the imaging result obtained by the imaging camera, based on the depth image and the lens data; and an image displayer configured to display and output the simulation image as an image to be viewed through the spectacle lens.

Abstract: A cable splitter includes a main body. The main body includes a top wall and an end portion. The top wall defines a splitting slot, a first guide slot, a second guide slot running through the top wall. The end portion includes a first guide arm and a second guide arm extending from the end portion and corresponding to the first guide slot and the second guide slot.

Abstract: A simulation system for simulating an appearance of a wearer's face wearing spectacles with accurate eye scaling includes a spherical component calculator that calculates a spherical component of a lens of the spectacles, the lens having an aspherical optical surface. The system further includes a simulation image generator that generates a simulation image of the wearer's face wearing the spectacles including accurately scaled eyes based on lens location information of the spectacles when worn and the spherical component. The system further includes a simulation image displaying unit that displays the simulation image. The lens location information includes a distance between a portion of an eye of the wearer and an eye-side surface of the lens.

Abstract: A cable splitter includes a main body. The main body includes a top wall and an end portion. The top wall defines a splitting slot, a first guide slot, a second guide slot running through the top wall. The end portion includes a first guide arm and a second guide arm extending from the end portion and corresponding to the first guide slot and the second guide slot.

Abstract: A spectacle lens, which is a pair of spectacle lenses including a lens for a left eye and a lens for a right eye corresponding to left and right eyes respectively, wherein a lens power is set so that accommodation powers coincide with each other between right and left eyes, the accommodation powers being required for each of the right and left eyes calculated based on a distance between an arbitrary point on a virtual object surface and each of the right and left eyes, and the lens power at each passing point where an optical ray directed to this point passes through the lens for a left eye and the lens for a right eye, when the previously set arbitrary point on the virtual object surface is viewed in a binocular vision through the lens for a left eye and the lens for a right eye.

Abstract: An eyeglasses-wearing simulation method comprising: a step of creating a pair of left and right original images for enabling a patient to perform stereoscopic viewing by utilizing binocular parallax, based on virtual scene data constituted by virtual objects placed in visual field spaces of the left and right eyes; a step of calculating distortion and blur of a right eye eyeglass lens and adding the distortion and blur to the right eye original image, and calculating distortion and blur of a left eye eyeglass lens and adding the distortion and blur to the left eye original image; and a step of stereoscopically displaying the processed images viewed through the pair of left and right eyeglass lenses on a screen, wherein a value of the blur is calculated by setting a same amount of accommodation to the left and right eyes in regard to all of object points.

Abstract: There is provided a simulation device including: first blur component generating unit configured to generate a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and a parameter regarding the non-progressive component included in the trial lens; second blur component generating unit configured to generate a second blur component based on distance data included in the observation scene data and a parameter regarding a progressive component included in the progressive addition lens; a display blur component generating unit configured to generate display blur component, based on first blur component and second blur component; a display blur component adding unit configured to add display blur component to the observation scene data; and display unit configured to display an observation image obtained by display blur component adding unit, to a wearer wearing the trial lens.

Abstract: A binocular visual performance measuring method including: a parallax image displaying step of displaying left and right parallax images at a predetermined measurement start position on a display screen when a measurement item is designated; a parallax image changing step of changing one of the left and right parallax images relative to the other of the left and right parallax images in accordance with the designated measurement item; a timing detecting step of detecting a timing when the subject viewing the left and right parallax images from a position a predetermined distance away from the display screen becomes unable to achieve fusion of the left and right parallax images; and a measurement value calculating step of calculating a measurement value of the designated measurement item based on the predetermined distance and a difference between the left and right parallax images defined at the detected timing.

Abstract: A touch display device includes a touch screen, a plurality of physical keys surrounding the touch screen, a touch sensor, and a touch control system. The touch screen senses a touch operation and displays a graphical user interface (GUI). The physical keys are arranged on each side of the touch screen, and the touch keys on one side can be enabled while the physical keys on all other sides are disabled. The touch sensor includes a plurality of touch sensing units which outputs a touch signal when one side is touched. The touch control system rotates the GUI through predetermined numbers of degrees to maintain uprightness for the user, enables the touch keys on the touched side, and disables the touch keys on all the other sides according to the touch signal.

Abstract: In a simulation system in which a terminal device employed in a spectacle shop and a display device for visually recognizing by a prospective spectacle lens wearer, are connected to a server device so as to capable of communication: the server device includes an image generation unit that achieves a state in which a simulation image reflecting lens visual performance of a spectacle lens can be output for each of plural partial visual field areas, and an information storage unit that stores explanatory information regarding characteristics of the lens visual performance for each of the plural partial visual field areas; the display device includes a display screen unit that selectively displays the simulation images in the partial visual field areas; and the terminal device includes an information output unit that outputs the explanatory information corresponding to the partial visual field area being displayed on the display screen unit.

Abstract: There is provided a simulation device including: a first blur component generating unit configured to generate a first blur component based on distance data included in observation scene data in which the distance data is added to a computer graphics image, and a parameter regarding the non-progressive component included in the trial lens; a second blur component generating unit configured to generate a second blur component based on distance data included in the observation scene data and a parameter regarding a progressive component included in the progressive addition lens; a display blur component generating unit configured to generate a display blur component, based on the first blur component and the second blur component; a display blur component adding unit configured to add the display blur component to the observation scene data; and a display unit configured to display an observation image obtained by the display blur component adding unit, to a wearer wearing the trial lens.

Abstract: A spectacle lens, which is a pair of spectacle lenses including a lens for a left eye and a lens for a right eye corresponding to left and right eyes respectively, wherein a lens power is set so that accommodation powers coincide with each other between right and left eyes, the accommodation powers being required for each of the right and left eyes calculated based on a distance between an arbitrary point on a virtual object surface and each of the right and left eyes, and the lens power at each passing point where an optical ray directed to this point passes through the lens for a left eye and the lens for a right eye, when the previously set arbitrary point on the virtual object surface is viewed in a binocular vision through the lens for a left eye and the lens for a right eye.

Abstract: There is provided a simulation device for virtually displaying an image to be viewed through a spectacle lens by a wearer of a spectacle lens, including: an imaging camera configured to perform imaging in a visual field of the wearer; a depth sensor configured to acquire a depth image in the same view angle as an imaging result obtained by the imaging camera; a data acquisition unit configured to acquire lens data of the spectacle lens; an image creation unit configured to create a simulation image on which a view of an image to be viewed through the spectacle lens is reflected, by applying image processing to the imaging result obtained by the imaging camera, based on the depth image and the lens data; and an image displayer configured to display and output the simulation image as an image to be viewed through the spectacle lens.

Abstract: The invention relates to an improved linear microdialysis probe comprising a continuous length of flexible tubing (1) having at least one window (4) formed therein, said window covering at least one part of the circumference of the tubing, while the remaining part forms at least one unbroken connection between a first end of said tubing and a second end of said tubing, said ends adapted to be attached to an inlet for perfusion liquid and the other end forming an outlet for the dialysate, said at least one window (4) exposing a tubular semipermeable membrane (2).

Abstract: An eyeglasses-wearing simulation method comprising: a step of creating a pair of left and right original images for enabling a patient to perform stereoscopic viewing by utilizing binocular parallax, based on virtual scene data constituted by virtual objects placed in visual field spaces of the left and right eyes; a step of calculating distortion and blur of a right eye eyeglass lens and adding the distortion and blur to the right eye original image, and calculating distortion and blur of a left eye eyeglass lens and adding the distortion and blur to the left eye original image; and a step of stereoscopically displaying the processed images viewed through the pair of left and right eyeglass lenses on a screen, wherein a value of the blur is calculated by setting a same amount of accommodation to the left and right eyes in regard to all of object points.