Cornea
Transparent,convex-shaped covering that protects the eye and helps to focus light rays on to the retina at the back of the eye.
The cornea is a transparent tissue that covers the front of the eye. It serves as the eye’s outermost lens, responsible for refracting (bending) light as it enters the eye and helping to focus it onto the retina, which is located at the back of the eye.
The cornea also plays a vital role in protecting the eye from dust, germs, and foreign objects, as well as filtering out harmful ultraviolet (UV) rays from the sunlight.
The cornea is made up of several layers, including the epithelium, Bowman’s layer, stroma, Descemet’s membrane, and endothelium. These layers work together to provide the cornea with its unique properties of transparency, strength, and elasticity.
Various conditions can affect the cornea and impair its function. For example, corneal abrasions (scratches), infections, and swelling can cause pain, sensitivity to light, blurred vision, and in severe cases, vision loss. In some cases, corneal problems can be treated with medications, surgery, or other therapies to manage the symptoms or restore normal function.
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