The Cornea is the eye’s outermost layer. It is the clear, domeshaped surface that covers the front of the eye. It plays an important role in focusing your vision. The Cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. The cornea, with the anterior chamber and lens, refracts light, with the cornea accounting for approximately two-thirds of the eye's total optical power. In humans, the refractive power of the cornea is approximately 43 dioptres. The cornea can be reshaped by surgical procedures such as LASIK.
While the cornea contributes most of the eye's focusing power, its focus is fixed. The curvature of the lens, on the other hand, can be adjusted to "tune" the focus depending upon the object's distance.
Parts of the cornea
The tissues of the cornea are arranged in three basic layers, with two thinner layers, or membranes, between them. Each of these five layers has an important function. These layers are:
What are some common conditions that affect the cornea?
What other diseases can affect the cornea?
Herpes Zoster (Shingles)
Iridocorneal Endothelial Syndrome (ICE)
What treatments are there for advanced corneal disease?
Corneal Transplant Surgery
Cornea is the transparent part of the eye that covers the front portion of the eye. When light rays enter the eye through the cornea, it bends or refracts the incoming light onto the lens. The lens further refocuses that light into the retina & that starts translation of light into vision.