 CorneaThe cornea is the clear front part of the eye that reflects light more than any other part. It has 5 layers. The upper most is called the Epithelium. The healing capabilities of the Epithelium layer are such that in only three days after LASIK surgery, the area will regenerate and a fresh, new layer will cover the eye. The central part of cornea is the thickest part and is very strong. It is here that the LASIK process will be performed. |
| Lens The lens is the clear part of the eye situated behind to iris. The lens both reflects and helps to focus light for reading by adjusting the shape of the lens. People between the ages of 40-50, often suffer from "Presbyopia" which is the inability of the lens to adjust to range of focus. People between 60-70, often suffer from "cataract" which is the hardening and changing of the biochemical properties of the lens, resulting in the inability of light to enter the retina. |
| Pupil The pupil is the small hole in the center of the eye that controls the amount of light that get through into the eyes. If you are in a very brightly-lit environment, the iris will constrict, allowing less light to enter the iris. In a dimly-lit environment, the pupil will dilate, opening itself up to allow more light to enter. |
| Iris The iris is the colored part of the eye. It controls the size of the pupil by either constricting or dilating the pupil, depending on light conditions. |
| Vitreous Vitreous is a gel like material located at the back of the eye ball. It helps maintain the shape of the eyeball. A person with high myopia sometimes experiences a black spot floating in the vitreous due to its degenerative process. |
| Optic Nerve The optic nerve transmits light stimuli from the retina to the brain. |
| Retina The retina is composed of nerve fiber. It works like a film that takes photos and sends the photos to the brain. Generally, the reflection of the light is focused in the retinal area. |
| Sclera Sclera is the white part of the eye ball. It prevents trauma to the eyes and helps strengthen the eye ball. It is the ocular framework of the eye. |
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