Vision
Visual Acuity
get information about visual acuity
20/50 vision
6/36 vision
Corrective Lenses
get information about an eyeglass prescription
OD 1.5 cyl 0.5 x 49
calculate the change in eyeglass prescription due to the tilt of lenses
martin's formula at 10 degrees
Vision Deficiency Simulation
simulate a vision deficiency