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Eye Health Glossary

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glaucoma

Glaucoma is a group of eye diseases characterized by damage to the optic nerve fibers. If not treated, it is a progressive eye condition in which peripheral vision is gradually lost and may lead to blindness. In most cases, glaucoma is associated with a rise in intraocular pressure.

goblet cells

Cells that are found in the space where the inside of the eyelid meets the eyeball. Goblet cells secrete mucin proteins, which are necessary for maintaining a stable tear film and preventing the eyes from drying out.

gonioscopy

Use of a specialized lens containing mirrors so that the anterior angle of the anterior chamber can be viewed. Gonioscopy is not part of a regular eye exam, but is useful for assessing the natural filtration system that drains aqueous humour out of the eye.

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