Apparatuses or methods for determining a refractive error of an eye are disclosed. An intensity of light coming from an eye is measured, using a detector device, through at least two or at least three different apertures of the aperture device. The refractive error is then calculated based on the measured intensities.

A method for automatically assessing the near vision accommodative state of a non-presbyopic individual, the method being carried out by computer and performed after an assessment of the individual's far vision leading to the generation of a far vision assessment report, includes generating a near vision assessment report optionally including at least one recommendation dependent on the far vision assessment report.

A method for automatically assessing the near vision accommodative state of a non-presbyopic individual, the method being carried out by computer and performed after an assessment of the individual's far vision leading to the generation of a far vision assessment report, includes generating a near vision assessment report optionally including at least one recommendation dependent on the far vision assessment report.

A presbyopia diagnosis apparatus includes: a measurement bar that is elongated along an axis in one direction, has a front end arranged to face the eyes of a subject for presbyopia measurement, and a rear end connected to a support, wherein a scale for measuring a distance is marked on the measurement bar; and a sliding unit that is movably installed on the measurement bar and has an installation groove formed therein, the installation groove for mounting a card for measuring presbyopia.

A presbyopia diagnosis apparatus includes: a measurement bar that is elongated along an axis in one direction, has a front end arranged to face the eyes of a subject for presbyopia measurement, and a rear end connected to a support, wherein a scale for measuring a distance is marked on the measurement bar; and a sliding unit that is movably installed on the measurement bar and has an installation groove formed therein, the installation groove for mounting a card for measuring presbyopia.

An ophthalmologic apparatus includes a first visual target presenting unit that presents a first eye chart including a visual target, at a first examination distance, to an examinee’s eye of which a trial lens is disposed ahead, and a second visual target presenting unit that presents a second eye chart including a visual target, at a second examination distance different from the first examination distance, wherein the first eye chart and the second eye chart are presented adjacently in plan view in a presentation region in which no influence of aberration of the trial lens is present, within a range viewable by the examinee’s eye through the trial lens.

In some embodiments, a display system comprising a head-mountable, augmented reality display is configured to perform a neurological analysis and to provide a perception aid based on an environmental trigger associated with the neurological condition. Performing the neurological analysis may include determining a reaction to a stimulus by receiving data from the one or more inwardly-directed sensors; and identifying a neurological condition associated with the reaction. In some embodiments, the perception aid may include a reminder, an alert, or virtual content that changes a property, e.g. a color, of a real object. The augmented reality display may be configured to display virtual content by outputting light with variable wavefront divergence, and to provide an accommodation-vergence mismatch of less than 0.5 diopters, including less than 0.25 diopters.

The invention relates to a method for determining an ophthalmic lens intended to be worn by an individual, said ophthalmic lens being adapted to provide to the individual a vision correction at at least one given vision gaze direction, said vision correction being based on wearer data including prescription data of the individual,

wherein the method comprises the steps of: determining a parameter pertaining to the accommodative dynamics of an eye of the individual, determining said ophthalmic lens based on said wearer data and on the parameter pertaining to the accommodative dynamics of an eye of the individual.

The invention also relates to a device for determining the parameter pertaining to the accommodative dynamics of an eye of an individual in the method according to the invention.

The invention relates to a method for determining an ophthalmic lens intended to be worn by an individual, said ophthalmic lens being adapted to provide to the individual a vision correction at at least one given vision gaze direction, said vision correction being based on wearer data including prescription data of the individual,

wherein the method comprises the steps of: determining a parameter pertaining to the accommodative dynamics of an eye of the individual, determining said ophthalmic lens based on said wearer data and on the parameter pertaining to the accommodative dynamics of an eye of the individual.

The invention also relates to a device for determining the parameter pertaining to the accommodative dynamics of an eye of an individual in the method according to the invention.

The device for screening for bioactive materials using the visual recognition of animals according to the present invention includes: an accommodating member (100) in which animals administered with a candidate bioactive material are accommodated; an imaging member (200) which captures images of the animals; and a detecting member (300) which reads the images in order to detect the visual recognition reactions of the animals. According to the method of the present invention for screening for bioactive materials using visual recognition of animals, the animals are administered with the candidate bioactive material, and the visual recognition reactions of the animals are detected.