A system for controlling at least one focus aspect of adaptive spectacles (10) having at least one electrically-tunable lens (22), the system including a housing (14), which is physically separate from adaptive spectacles (10), a display screen (16) mounted in housing (14), a sensor (19) mounted in housing (14) and configured to detect a relative position of adaptive spectacles (10) with respect to display screen (16), an interface (17) configured to communicate with adaptive spectacles (10), and a controller (15) configured to receive an input signal from sensor (19), the input signal being indicative of the relative position of adaptive spectacles (10) with respect to display screen (16) and output, in response to the input signal, a command signal for sending to adaptive spectacles (10) via interface (17) to adjust the at least one focus aspect of the at least one electrically-tunable lens (22).

Some demonstrative embodiments include apparatuses, systems and/or methods of determining one or more parameters of a refractive error of a tested eye. For example, a computing device may be configured to process depth mapping information to identify depth information of a tested eye; and to determine one or more parameters of a refractive error of the tested eye based on the depth information of the tested eye.

Some demonstrative embodiments include apparatuses, systems and/or methods of determining one or more parameters of a refractive error of a tested eye. For example, a computing device may be configured to process depth mapping information to identify depth information of a tested eye; and to determine one or more parameters of a refractive error of the tested eye based on the depth information of the tested eye.

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.

Accommodating ophthalmic devices including an ambient light sensor and an accommodation sensor and related methods of use are described. In an example, the accommodation sensor is configured to measure a biological accommodation signal of an eye on or in which the accommodating ophthalmic device is mounted. In an embodiment, the accommodating ophthalmic device is configured to measure the biological accommodation signals based on ambient light, such as based on an intensity or amount of ambient light, incident on the accommodating ophthalmic device. Such ambient light may be measured with the ambient light sensor.

Accommodating ophthalmic devices including an ambient light sensor and an accommodation sensor and related methods of use are described. In an example, the accommodation sensor is configured to measure a biological accommodation signal of an eye on or in which the accommodating ophthalmic device is mounted. In an embodiment, the accommodating ophthalmic device is configured to measure the biological accommodation signals based on ambient light, such as based on an intensity or amount of ambient light, incident on the accommodating ophthalmic device. Such ambient light may be measured with the ambient light sensor.

Diagnostic eyewear systems are disclosed that facilitate the evaluation of and adjustment to monovision as a solution for near vision loss experienced by corrected nearsighted and normal vision persons. The diagnostic eyewear include a magnifying lens and a non-magnifying lens, and a frame that allows the user to switch the locations of the magnifying and non-magnifying lenses from one eye to another. Multiple diagnostic eyewear may be provided as a set, with the magnifying lens of each eyewear having a different magnification power. The diagnostic eyewear may be used to determine magnification eye preference, magnification strength and distance eye preference in order to facilitate acclimation to monovision.

Diagnostic eyewear systems are disclosed that facilitate the evaluation of and adjustment to monovision as a solution for near vision loss experienced by corrected nearsighted and normal vision persons. The diagnostic eyewear include a magnifying lens and a non-magnifying lens, and a frame that allows the user to switch the locations of the magnifying and non-magnifying lenses from one eye to another. Multiple diagnostic eyewear may be provided as a set, with the magnifying lens of each eyewear having a different magnification power. The diagnostic eyewear may be used to determine magnification eye preference, magnification strength and distance eye preference in order to facilitate acclimation to monovision.

A system for use in diagnostics of eye condition is described, the system comprises a pair of eye inspection units configured for inspection of each of user's eyes and a control unit. The eye inspection units comprise: a display unit comprising a display panel configured to display one or more selected images to a user's and an optical path unit located in optical path between the display panel and a user's eye and configured for selectively controlling light ray propagation towards the user's eye; an eye tracking module configured to generate data about of location and orientation of a user's eye thereby providing data indicative of gaze direction of the user's eye; an optical power detection unit configured and operable for obtaining and determining data indicative of optical power of the user's eye. The control unit is configured and operable to operate the eye inspection units to determine data inductive of at least one of eye accommodation to object in close proximity, convergence of line of sight of the user's eyes and a level of fusion of image data received by both eyes of the user.

A system for use in diagnostics of eye condition is described, the system comprises a pair of eye inspection units configured for inspection of each of user's eyes and a control unit. The eye inspection units comprise: a display unit comprising a display panel configured to display one or more selected images to a user's and an optical path unit located in optical path between the display panel and a user's eye and configured for selectively controlling light ray propagation towards the user's eye; an eye tracking module configured to generate data about of location and orientation of a user's eye thereby providing data indicative of gaze direction of the user's eye; an optical power detection unit configured and operable for obtaining and determining data indicative of optical power of the user's eye. The control unit is configured and operable to operate the eye inspection units to determine data inductive of at least one of eye accommodation to object in close proximity, convergence of line of sight of the user's eyes and a level of fusion of image data received by both eyes of the user.