Please provide your email address to receive an email when new articles are posted on . Children had better near and distance visual acuity than adults before receiving visual aids. Optical aids were ...

Only those with excellent observation skills can find the hidden koala among the pandas in this optical illusion image. Can ...

Illusion is derived from the Latin verb illudere, which means to mock or trick. Our brains tend to fill in the gaps in ...

Visual acuity (VA) commonly refers to the clarity of vision, but technically rates an examinee's ability to recognize small details with precision. Visual acuity is dependent on optical and neural ...

The Latin verb illudere, which means to deceive or hide, is where the word illusion comes from. Optical illusion images are simple assessments of mental and visual acuity that are skillfully designed ...