The eye has three coats (sclera–cornea, uvea, and retina) and two humors (aqueous and vitreous). The conjunctiva covers the visible portion of the sclera (bulbar conjunctiva) and lines the eyelids ...

Scientists have uncovered an intriguing link between infection and brain health, finding that a common bacterium in the eye appears to be linked to cognitive decline and Alzheimer’s disease. It's the ...

Eye syphilis is a manifestation of syphilis. Sometimes, it is the first sign of infection. It can affect almost any part of the eye and resemble a range of other eye diseases. Common symptoms of eye ...

Using or reusing kajal, stick eyeliners and other eye makeup can increase the risk of bacterial contamination, irritation and infections such as conjunctivitis.