NIDEK CO., LTD.

An eyeglasses lens machining device includes a period information acquisition unit that acquires period information indicating a predetermined period during which a consumable item is used in the eyeglasses lens machining device, a machining information acquisition unit that acquires machining information on machining of an eyeglasses lens by the eyeglasses lens machining device in the predetermined period, a recommendation information acquisition unit that acquires recommendation information for recommending replacement of the consumable item, a prediction unit that predicts a replacement time to replace the consumable item based on the period information acquired by the period information acquisition unit, the machining information acquired by the machining information acquisition unit, and the recommendation information acquired by the recommendation information acquisition unit, and an output unit that outputs a prediction result predicted by the prediction unit.

An ultrasonic tonometer includes an ultrasonic actuator having an ultrasonic element and configured to irradiate the subject eye with ultrasound generated by the ultrasonic element. The ultrasonic actuator includes: a sonotrode propagating ultrasound generated by the ultrasonic element into air; a flexural vibration portion disposed on a distal side of the sonotrode in an axial direction of the ultrasonic actuator; and a reflecting portion covering, with a gap with the flexural vibration portion, at least a part of the flexural vibration portion in a circumferential direction.

A fundus imaging device has a fixation optical system, an OCT optical system, an imaging optical system, and a controller. The controller is configured to acquire a focus evaluation value based on a slit image formed by slit-shaped illumination light on a two-dimensional imaging element of the imaging optical system in a case where an optical scanner of the imaging optical system deflects in a predetermined direction. The controller is configured to perform diopter correction control of the OCT optical system by driving a first focus adjustment unit of the OCT optical system based on the focus evaluation value.

An ophthalmic information processing method includes: acquiring first distribution data representing two-dimensional distribution of first measurement data of examinee's eye-tissue; acquiring second distribution data representing two-dimensional distribution of second measurement data of a measurement target different from that of the first measurement data in the examinee's eye tissue, the two-dimensional distribution being related to a region overlapping with that of the first distribution data; generating a first isoline map in which pixels in a closed section enclosed by an isoline are filled with a color or density level in accordance with a value of the first measurement data, the first isoline map representing the first distribution data; generating a wireframe second isoline map in which a closed section enclosed by adjacent isolines are not filled, the second isoline map representing the second distribution data; and generating a superimposed map by superimposing the first isoline map and the second isoline map.

A processor of a fundus image processing device acquires a fundus image 50 photographed by a fundus image photographing device. The processor acquires blood vessel images 60 A and 60 B that indicate at least one of an arteriole and a venule in the fundus image 50 by inputting the fundus image 50 into a mathematical model trained by a machine learning algorithm. The processor acquires a blood vessel area that is an area of at least one of the arteriole and the venule in the whole of the blood vessel images 60 A and 60 B.

An ophthalmic laser treatment apparatus irradiates therapeutic laser light to tissue of a patient's eye each time an execution instruction for irradiating the therapeutic laser light is input. The ophthalmic laser treatment apparatus includes: a laser irradiation optical system irradiating the therapeutic laser light to the patient's eye; an observation optical system causing an operator to observe an observation image of the patient's eye through an eyepiece lens; an internal display unit provided in the observation optical system and configured to display an image to the operator through the eyepiece lens; and a control unit.

A fundus imaging apparatus includes a base, a display unit, an imaging optical system, an OCT optical system, a control unit configured to execute at least (i) imaging control of an imaging optical system and an OCT optical system, (ii) display control processing of a color image and an OCT image based on OCT data, and (iii) analysis processing of the OCT data, and an imaging unit housing the imaging optical system, the OCT optical system, and the control unit therein. The control unit is disposed above the imaging optical system and the OCT optical system in the imaging unit. The imaging unit includes an exhaust port that discharges air heated by the control unit. The exhaust port is located at the same height as the control unit or at a position higher than the control unit.

A subjective optometry system includes a target presentation unit which presents an examination visual target to a subject eye, a correction unit which changes an optical characteristic of a target light flux emitted from the target presentation unit, a self-optometry program setting unit which sets either a first self-optometry program that automatically proceeds with examination items for the subject eye based on a response input by an examinee, or a second self-optometry program that automatically proceeds with examination items for the subject eye based on a response input by the examinee, and a control unit which controls, based on the first self-optometry program or the second self-optometry program set by the self-optometry program setting unit, at least one of the target presentation unit and the correction unit to advance an optometry according to a procedure of the first self-optometry program or the second self-optometry program.

An ophthalmic apparatus has an examination window, a first optical system which projects a first pattern index with visible light onto a subject eye from an outside of the examination window, a second optical system which projects a second pattern index with infrared light onto the subject eye from an inside of the examination window, an imaging optical system including an imaging element which receives a first cornea reflection image caused by the first pattern index and a second cornea reflection image caused by the second pattern index via an objective lens, and a coupler which couples optical paths of the imaging optical system and the second optical system. The coupler is an optical element having a characteristic in which an attenuation ratio of the visible light is smaller than that of the infrared light in an optical path from a cornea of the subject eye toward the imaging element.

An ophthalmologic imaging method is implemented by an control unit of an ophthalmologic imaging device for acquiring entire image data of the tissue by repeatedly performing the steps of: setting a scanning position; acquiring the partial image data by applying, to an optical scanning unit, a driving signal that causes the optical scanning unit to scan light on a tissue of a subject eye at the scanning position that was set this time; and continuously operating the optical scanning unit after capturing the partial image data based on the scanning position that was set this time was completed by applying, to the optical scanning unit, a continuous driving signal.