When we say sight test,A method of identifying the open direction of a C-shaped ring (Landolt's ring) of different sizesAlthough it is major, this seems to be a more breakthrough eyesight table.

Let’s face it, our brains and eyes can be easily tricked into believing that something is real, even when it isn’t. That’s where visual illusions come into play; these images are designed to exploit ...

Children with amblyopia who used the AmblyoPlay app 5 days a week for 6 months had significant improvements in visual acuity, ...

Results from smartphone-based Snellen charts, which are eye charts used to measure visual acuity, are not consistent with results from standard Snellen visual acuity chart tests, according to a study ...