Pterygium

A pterygium is a non-cancerous growth of the clear, thin tissue (conjunctiva) that lays over the white part of the eye (sclera). One or both eyes may be involved.   Causes of pterygium The cause is unknown, but it is more common in people with excess outdoor exposure to sunlight and wind, such as those…

Glaucoma

What is Glaucoma? Glaucoma is a group of diseases that can lead to damage to the eye’s optic nerve and result in blindness. It is causes by intraocular pressure (IOP) resulting either from an over production of fluid called aqueous in the eye or reduction in drainage of this fluid. Glaucoma is frequently referred to…

Refractive Errors

What are Refractive Errors? Refractive errors are disorders, not diseases. It means that the shape of your eye does not bend light correctly, resulting in a blurred image. A person with a refractive error has eyes that do not focus perfectly and needs spectacles to see clearly. The common types of refractive error are described…

Eye Anatomy

Cornea The clear outer part of the eye’s focusing system located at the front of the eye. Pupil The opening at the center of the iris. The iris adjusts the size of the pupil and controls the amount of light that can enter the eye. Iris The iris is a diaphragm of variable size whose…