Apparatus and method for reducing acoustic feedback

Apparatus and method for retaining a spectacle lens on a rimless

Apparatus and method for retaining and accessing clip-on...

Apparatus and method for screening individuals for ametropic con

Apparatus and method for self-examination of the eye and surroun

Apparatus and method for simulation of visual disabilities

Apparatus and method for simultaneous bilateral retinal digital

Apparatus and method for spectrally measuring fundus

Apparatus and method for subjective determination of the...

Apparatus and method for testing the motion contrast visual sens

Apparatus and method for testing visual accuity and contrast sen

Apparatus and method for testing visual field

Apparatus and method for testing visual focus control

Apparatus and method for testing visual response

Apparatus and method for testing visual sensitivity to glare

Apparatus and method for the kinetic analysis of tear stability

Apparatus and method for the precision evaluation of visual func

Apparatus and method for tinting hydrophilic contact lenses

Apparatus and method for topographical analysis of the retina

Apparatus and method for treating learning differences