Increased pressure in the eyeball due to obstruction of the outflow of aqueous humor

• Eyesight issue
• Damages the optic disc and impairs vision (sometimes progressing to blindness)
• Eye disease
• Eyesight impairer

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Amongst these are glaucoma and nystagmus. ▪ Andrew Miles was born blind in his left eye and lost his sight completely at 26 due to glaucoma . ▪ For Hazel Rodgers, a 78-year-old glaucoma sufferer who credits marijuana with helping ...

WordNet Word definitions in WordNet
n. increased pressure in the eyeball due to obstruction of the outflow of aqueous humor; damages the optic disc and impairs vision (sometimes progressing to blindness)

Wikipedia Word definitions in Wikipedia
Glaucoma is a group of eye diseases which result in damage to the optic nerve and vision loss . The most common type is open-angle glaucoma with less common types including closed-angle glaucoma and normal-tension glaucoma . Open-angle glaucoma develops ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1640s, from Greek glaukoma "cataract, opacity of the lens" (cataracts and glaucoma not distinguished until c.1705), from -oma + glaukos , an adjective of uncertain origin (see glaucous ).

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Glaucoma \Glau*co"ma\, n. [L., fr. Gr. glay`kwma, fr. glayko`s light gray, blue gray.] (Med.) Dimness or abolition of sight, with a diminution of transparency, a bluish or greenish tinge of the refracting media of the eye, and a hard inelastic condition ...