The cornea is the clear, dome-shaped outer layer at the front of the eye that plays a crucial role in vision. It helps focus light entering the eye and acts as a protective barrier against dust, germs, and other harmful elements. The cornea is made up of five layers, and its transparency and curvature are essential for sharp, clear vision.
Corneal diseases or injuries, such as keratoconus, corneal ulcers, or scars, can affect vision. Treatments for corneal conditions include the use of corrective lenses, medications, or surgical procedures such as corneal transplants (keratoplasty) to restore normal vision and function.
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