Glaucoma-
Definition:
Definition:
Glaucoma refers to a group of disorders that lead to damage to the optic nerve, the nerve that carries visual information from the eye to the brain.
Causes, Incidence, And Risk Factors:
Glaucoma is the second most common cause of blindness in the United States.
There are four major types of glaucoma:
Angle-closure (acute) glaucoma
Congenital glaucoma, Open-angle (chronic) glaucoma, Secondary glaucoma
Symptoms:
Symptoms:
OPEN-ANGLE
Gradual loss of peripheral (side) vision, Most people have no symptoms until they lose vision
ANGLE-CLOSURE
Decreased or cloudy vision, Nausea and vomiting, Pupil does not react to light, Red eye, Severe eye pain, facial pain, Swelling of the eye
CONGENITAL
Cloudiness of the front of the eye , Enlargement of one eye or both eyes , Red eye , Sensitivity to light , Tearing
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1 comment:
If the optical nerve in the eye inst correctly functioning, then the visual image will not be transferred from the eye to the brain. This will not allow an image to be processed causing possible blindness.
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