A pterygium of the eye (pl.: pterygia or pterygiums, also called surfer's eye) is a pinkish, roughly triangular tissue growth of the conjunctiva onto the cornea of the eye. [2 ] It typically starts on the cornea near the nose. [3 ] It may…
The ultraviolet index (UVI), available online, is an international linear scale of levels from 0 to 13+ that warns about the risk of sunburn; however, it does not address the risk to eyes.
A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision of the eye. [1 ] [7 ] Cataracts often develop slowly and can affect one or both eyes. [1 ] Symptoms may include faded colours, blurry or double vision…
The most significant manifestation is bilateral, diffuse uveitis, which affects the eyes. [2 ] [3 ] VKH may variably also involve the inner ear, with effects on hearing, the skin, and the meninges of the central nervous system. [2 ] [3 ] [4…
Heterochromia is a variation in coloration most often used to describe color differences of the iris, but can also be applied to color variation of hair [1 ] or skin.
The eye is a metabolically active structure, constantly exposed to solar radiations making its structure vulnerable to the high burden of reactive oxygen species (ROS), presenting many molecular interactions.