Condition library

Glaucoma and eye pressure

Conditions linked to optic nerve damage from raised eye pressure or other glaucoma mechanisms.

Clinically reviewed · Last reviewed 2026-06-13

Glaucoma Optic nerve damage often linked to eye pressure; the common type is silent until side vision is lost — regular tests are essential. Ocular hypertension Higher-than-normal eye pressure without glaucoma damage; monitored to protect sight.

Frequently asked questions

Can glaucoma happen without symptoms?

Often yes. Chronic glaucoma may steal side vision gradually without pain. Regular pressure checks and optic nerve assessment help find it early.

Is glaucoma only about high eye pressure?

Pressure is a major risk factor, but some people develop glaucoma with apparently normal pressure. Optic nerve appearance and visual field tests guide diagnosis.

What are the symptoms of acute glaucoma?

Severe eye pain, headache, blurred vision, halos around lights, nausea and a red eye can signal acute angle-closure glaucoma — seek emergency care immediately.

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