Apparatus and methods for improving vision damaged by retinal de
Apparatus and methods for marking the visual center of the corne
Apparatus and methods for measuring accommodation of a lens...
Apparatus and stimulus design for producing and evaluating binoc
Apparatus and technique for automatic centering and focusing a c
Apparatus for aligning a focused beam of light
Apparatus for analysis and correction of abnormal refractive err
Apparatus for analyzing a sectional image of an anterior eye...
Apparatus for analyzing depth perception
Apparatus for and method of simulating ocular optical system
Apparatus for and method of testing vision
Apparatus for and method of testing visual acuity
Apparatus for centering a spectacles lens and positioning a grip
Apparatus for collecting data
Apparatus for corneal corrective techniques
Apparatus for creating visual power of a blind person
Apparatus for detecting ophthalmic disease
Apparatus for detecting the position of a patient's eye in ophth
Apparatus for detecting visual field defects of the eye
Apparatus for determination of potential visual acuity utilizing