Dry throat is also caused by tobacco or marijuana use, voice strain, vomiting, excessive coughing, throat inflammation, allergies, and, in rare cases, cancers of the throat and esophagus.
Glaucoma surgery. Glaucoma is a group of diseases affecting the optic nerve that results in vision loss and is frequently characterized by raised intraocular pressure (IOP).
Know the Facts. 1  Glaucoma is a group of diseases that damage the eye's optic nerve and can result in vision loss and even blindness. 2  About 3 million Americans have glaucoma. 3  Open-angle glaucoma, the most common form, results in increased eye pressure.