It may also stimulate the appetite to counter the wasting effects of AIDS and reduce eye pressure caused by glaucoma.

CNN: Richard Lacayo

The drug, Zioptan, treats elevated intraocular pressure in people with a form of glaucoma or ocular hypertension.

WSJ: New Drug Approved to Treat Eye Condition

If someone has glaucoma - that is high pressure in the eyes - we can take care of that, if someone needs refractory surgery - that's surgery to correct focusing problems - we are able to provide that.

BBC: A Kenyan eye clinic with a long vision

Normal-tension glaucoma is a form of the disease which leads to blindness without the usual increase in pressure inside the eyeball.

BBC: Food additives 'affect sight'