The pterygium is a triangular lesion that extends from the whites of the eyes (conjunctiva) to the black of the eye (cornea). This lesion is caused by the benign growth of connective tissue and conjunctival vessels.The pterygium usually first develops as a whiteness on the conjunctiva, which gradually grows toward the cornea. Due to the […]
Glaucoma or glaucoma:Glaucoma is an increase in pressure in the eye or intolerance of the optic nerve to the pressure inside the eye.Intraocular pressure is determined by the balance between the production and discharge of clear fluid. Normal intraocular pressure is 10 to 20 mm Hg. Increasing intraocular pressure by more than 20 mm Hg […]
The retina sends light-sensitive nerve tissue to the brain in a thin layer that encloses the inner wall of the eyeball, converting light into neural messages. Retina: The eyeball is filled to the brim with a jelly-like substance called vitreous. In childhood and adolescence, the vitreous has a relatively high consistency. But gradually, with age, […]
Cornea The cornea is a clear tissue that resembles a clock face and is located in the anterior part of the eyeball. The absence of blood vessels in this tissue is the reason for its transparency. The cornea is convex and very sensitive. The cornea is nourished not by blood but by air due to […]
What is cataract? Cataract is the presence of turbidity in the lens of the eye, this turbidity prevents proper penetration of light into the eye and therefore reduces vision. Most turbidity is caused by the aging process, but it can also be caused by diabetes and medications.Cataract is the presence of turbidity in the lens […]