Primary Open-Angle Glaucoma Topic Guide
Primary Open-Angle Glaucoma: Glaucoma describes chronic high pressure within the eyeball. The pressure eventually causes nerve damage, though glaucoma can still occur without elevated pressure. Primary open-angle glaucoma is a subtype of the disease characterized by atrophy of the optic disc in the back oif the eye and other problems.
Normal-Tension Glaucoma Normal-tension Glaucoma or low-tension glaucoma is a condition in which the optic nerve is damaged despite normal fluid pressure inside the eye (other types of glaucoma result vision loss because of abnormally high pressure inside the eye. Normal-tension glaucoma typically occurs in older adults and can be caused by congenital nerve defects and irregularities in blood flow to the eye. Eyedrops and surgery are treatments for this disorder.
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