Ensuring your eyesight remains adequate for driving is crucial, both for your own protection and that of others. To shed ...

Somerville, Massachusetts-based eye diagnostic tool maker EyeNetra raised $4 million from one investor, according to an SEC filing. This brings EyeNetra's total funding to at least $7 million.

Illusory motion, or motion illusion, refers to any optical illusion in which a static image appears to be moving due to the cognitive effects of our visual system interacting with the illusion image.

Test your eyesight and colour vision with this fun optical illusion challenge. Spot the hidden number in a colourful circle to see how well you can distinguish colours. Difficulty in seeing the number ...

Glaucoma, a leading cause of blindness, silently damages the optic nerve, often progressing unnoticed until irreversible ...