A subjective optometry apparatus includes: a subjective measurer which has a corrective optical system disposed on an optical path of a light projecting optical system configured to project a target light flux toward an examinee's eye and configured to change an optical characteristic of the target light flux and which is configured to subjectively measure an optical characteristic of the examinee's eye; an acquisitor configured to acquire position information on at least one of examinee's right and left eyes; a determiner configured to determine, based on the position information acquired by the acquisitor, whether or not subjective measurement can be implemented in a binocular open state of the examinee's right and left eyes, thereby acquiring determination information; and a determination information output unit configured to output the determination information acquired by the determiner.

A subjective refractor apparatus for astigmatism testing allowing observation along an optical observation axis with an optical vision correction of variable power. The apparatus allows a patient’s use of a tactile input device to control the rotary movement of rotatable optical elements with cylindrical power, varying the angular position of the optical elements to adjust the total cylindrical power and orientation of the cylinder axis of the resulting optical system. The tactile input device is capable of receiving input in two or more dimensions, with each dimension of input controlling the rotary movement of a single cylindrical optical element to adjust the combined cylindrical optical power of the two optical elements. The optical elements position readings may be sensed by rotational position sensors and sent to an operationally connected microprocessor for interpretation and display.

To make it possible to improve user convenience, provided is a control device including: a control unit configured to control a position and an attitude of a microscope unit by driving an arm unit that supports the microscope unit on the basis of a captured image of an operating site photographed by the microscope unit during an operation so that a position and attitude condition set before the operation is satisfied. The position and attitude condition is a condition that prescribes a position and an attitude of the microscope unit with respect to the operating site to obtain a desired captured image corresponding to the position and attitude condition.

A system for ophthalmic imaging comprising an ophthalmic device configured to obtain stereoscopic images of an eye of a patient and to transmit the images in real-time to a display device via a network for viewing by practitioners. The ophthalmic device comprises at least an optic assembly, a processing assembly, a slit assembly, such as a slit lamp, and a positioning assembly. Control devices structured to control the ophthalmic device over the network, such as the world wide web, can be disposed at a plurality of locations, and may be remote from the ophthalmic device while providing real time control of the parameters of the ophthalmic device by the practitioner(s) associated therewith.

A surgery assistance device includes an arm, a control device, and an operation device. The arm holds an endoscope and adjusts a position of the endoscope. The control device controls a display to display an image captured by the endoscope. The operation device rotates the image without causing a positional displacement of the endoscope.

A portable intelligent multi-function phoropter is disclosed. The phoropter comprises a casing, a plurality of control elements, two adjustable eyepiece modules, a plurality of micro motors, a liquid crystal display module, a control module and a power supply module. The casing of the present invention is small so that the overall volume is small, and it is convenient to carry and use. The present invention has many test patterns, so different vision tests can be performed. With the combination of convex lens and concave lens and the application of existing electronic components, the overall price is reduced. The invention satisfies the market demand for the phoropter.

Imaging various regions of the eye is important for both clinical diagnostic and treatment purposes as well as for scientific research. Diagnosis of a number of clinical conditions relies on imaging of the various tissues of the eye. The subject technology describes a method and apparatus for imaging of the back and/or front of the eye using multiple illumination modalities, which permits the collection of one or more of reflectance, spectroscopic, fluorescence, and laser speckle contrast images.

A technical object is to provide an ophthalmic apparatus and an ophthalmic apparatus control program that are capable of appropriately performing alignment in a wide range. An ophthalmic apparatus that examines an examinee's eye includes: an optometry unit that examines the examinee's eye; drive means that adjusts a relative position between the optometry unit and the examinee's eye; an illuminating optical system including a first illuminating optical system for illuminating an anterior segment of the examinee's eye and a second illuminating optical system for illuminating a wider range than the first illuminating optical system; an imaging optical system including a first imaging optical system for imaging the anterior segment of the examinee's eye and a second imaging optical system for imaging a wider range than the first imaging optical system; and control means that controls an illuminating state with respect to the anterior segment between anterior segment illumination by the first illuminating optical system and wide range illumination by the second illuminating optical system.

An ophthalmologic apparatus includes: an ophthalmologic apparatus body having: an objective lens that faces a subject's eye; a first illumination optical system that irradiates a cornea of the subject's eye with illumination light emitted from a first illumination light source along an optical axis overlapping an optical axis center of the objective lens; an interference image capturing camera that takes an image of a corneal reflection light through the objective lens and outputs an imaging signal; and a calculation unit that calculates, based on a corneal reflection image, of a corneal reflection light, input from the interference image capturing camera, a thickness of a tear fluid film at each position on the corneal surface; and a guide rail that supports the ophthalmologic apparatus body. The guide rail supports the ophthalmologic apparatus body in a rotatable manner such that an optical axis center of the objective lens is positioned obliquely with respect to a horizontal direction orthogonal to a gravity direction.

Disclosed is a method for measuring the refraction of an individual by a refraction measuring appliance, including: an initial step of determining at least one initial value of a visuo-postural parameter of the individual; a step of processing the initial value in order to deduce at least one initial value of a regulating parameter of the refraction measuring appliance, the regulating parameter being associated with the visuo-postural parameter; a step of regulating the refraction measuring appliance according to the initial value of the regulating parameter; and a step of measuring the refraction of the individual by the measuring appliance regulated in this way. Also disclosed is a method for the optical design of an ophthalmic lens, and to a pair of glasses including such a lens.