Glaucoma is when the optic nerve in the eye becomes damaged. The different stages of narrow angle glaucoma relate to the extent of the damage to the optic nerve and the level of pressure in the eye.

Just have a look at the edges of your desk; the hands of a clock or the keys on your computer. There are examples everywhere. Angles are measured using degrees, ranging from 0 all the way to 360 ...

To study the safety and efficacy of immediate argon laser peripheral iridoplasty (ALPI) as initial treatment of acute phacomorphic angle-closure (phacomorphic glaucoma) before cataract extraction. In ...