What is it?
Every time the world is perceived by the human eye a very important part of the eye globe performs a key function. The cornea can be called the “window” of our eyes. It is the most anterior ocular area in dome shape, with collagen (microscopic anatomical structures) fibers perfectly distributed making it completely clear (transparent). Besides this, it needs to be strong enough to protect the inside of the eye against traumas or infections.
Cornea thickness is between 0.5 to 1.0 millimeter and is thinner and more regular in the central area. These values are the average within a population, that means the thickness changes from person to person. Several situations can cause an effect on the normal function of the cornea, resulting in clearness diminishing or topography irregularities, leading to visual impairment. Genetic, environmental, allergic or infectious reasons, or even tear quality or quantity dysfunction, are related to the main diseases that affect the cornea. Some of these diseases are keratoconus, dry eye syndrome, infectious keratitis (caused by virus, bacteria or other parasites), corneal dystrophies (genetic diseases), or eye trauma. Any of these problems can cause permanent damage if not treated in time.
Because of the advancements in treatments and medications all these problems can currently be taken care of with success, with few exceptions. An example is cornea transplant, a surgery which has seen surprising refinement during recent decades. Sadalla Amin Ghanem Eye Hospital specialist surgeons perform every kind of cornea transplant known nationally and internationally, from the traditional penetrating transplant to the most advanced lamellar techniques, where only the affected corneal layers are replaced by a healthy donor tissue.