Glaucoma

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Symptoms

While glaucoma may or may not have distinct symptoms, an almost inevitable complication of glaucoma is vision loss. Visual loss from glaucoma first affects peripheral vision. Early vision loss is subtle, and is not noticed by the patient. Moderate to severe vision loss may be noticed by the patient by checking his peripheral vision thoroughly. This can be done by closing one eye and examining all four corners of the visual field for clarity and sharpness, then repeating with the other eye closed. All too often, the patient does not notice the loss of vision until he experiences "tunnel vision". If the disease is not treated, the visual field will become more and more narrow, obscuring central vision, and finally progressing to blindness in the affected eye(s).

Related Topics:
Peripheral vision - Tunnel vision

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Waiting for symptoms of visual loss to occur is not optimal care. Visual loss related to glaucoma is irreversible, but can be prevented or slowed by treatment. An optometrist or ophthalmologist should be consulted by people at risk for glaucoma.

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