![]() ![]() Many problems may cause the tear system to drain poorly. This explains why crying often causes one to blow one's nose. Just before reaching the corner of the eye, the tears slide into two tiny drain tubes, and then into a larger tube which carries the tears into the nose. From the surface of the eye, the tears flow along the edge of the lids toward the nose. The lacrimal (tear) system is a miniature drainage network, which prevents tears from continuously rolling down the cheeks. However, both can usually be corrected quite successfully. Droopy eyelids are seen most often in children and baggy eyelids are more common in older people. Droopy eyelids can be acquired or congenital. Two other common lid problems are droopy eye lids (ptosis) and baggy eyelids(dermatochalasis). These tumors can be benign (not cancerous) or malignant (cancerous). They may be cut or burned in an accident, be involved in infections, or be invaded by many different types of tumors. There are many ways the lids may be damaged. Think of how fast you blink when something approaches your eye. Without eyelids, our eyes would quickly dry out from exposure to air, or could be damaged severely by a cinder, pebble, or some other foreign object. They maintain vision by keeping moisture inside, and foreign particles outside of the eye. ![]() The lids of each eye are vital to the preservation of sight. Conjunctivitis can be allergic or infectious viral conjunctivitis is often called "pink eye." Eyelids ![]() When it gets irritated or infected it becomes red, which is called conjunctivitis. The conjunctiva is the clear covering (like cellophane) of the white part of the eye, the sclera. A "scratched" cornea, when the surface layer is torn, is extremely painful. These images are then transferred via the optic nerve to the brain, where sight is interpreted. Therefore, it must be clear and regularly shaped to give good vision. The lens of the eye focuses the images transmitted through the cornea to the retina. Like the glass on a watch, the cornea is the clear protective coating on the front of the eye that allows light to pass through it without distortion. ![]()
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