Understanding Glaucoma Medications (cont.)
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What Are the Risks of Glaucoma?
Glaucoma affects the optic nerve and may cause vision loss. The optic nerves of both eyes transmit electrical signals from the retinas of the eyes to the brain, allowing an individual to see. If the optic nerve does not function correctly, these electrical signals cannot get through, which results in vision loss, even though the rest of the eye is normal. If there is failure to diagnose glaucoma or if glaucoma is not adequately treated, damage to the optic nerve may result. This damage to the optic nerve will initially be manifested by subtle loss of side vision and, if the glaucoma remains untreated, ultimately may cause loss of central vision and total blindness. Vision loss from glaucoma is irreversible.
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While any type of glaucoma can be unilateral, primary open-angle glaucoma, primary angle-closure glaucoma, primary infantile glaucoma, juvenile-onset glaucoma, and pigmentary glaucoma are generally bilateral diseases, the severity of which may be asymmetric in the two eyes.