Astigmatism is simply a condition that occurs when the cornea (the outer, transparent part of the eye that transmits light and protects the iris and lens) does not have the same symmetry in all its parts. The cornea of the eye without astigmatism is round in all its parts (similar to a basketball), but some…
Keratoconus is an eye disease in which the central or surrounding cornea gradually becomes thinner. The cornea is one of the eyeball parts that interfers directly on the vision. Light enters the eye through the cornea and focuses the light rays so that we can see clearly. The uniformity of the cornea changes to a…
When you start with near vision fatigue, usually after the age of 40, you begin to have difficulty focusing in near vision. The eye muscle begins to lose focusing and defocusing functions and there is a tendency to move away from objects up close to get a good view of them.This does not happen with…
Nowadays one of the most common problems in the population is the growth of the myopia population. Several studies have already demonstrated the growth of this visual deficiency and one of the great challenges is to try to stop it. For this reason, there are many studies aimed at creating the solution to avoid an…