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).
There are four main types of glaucoma: 1  chronic open-angle glaucoma â the most common type which often has few symptoms. 2  acute angle-closure glaucoma â which often has severe symptoms. 3  secondary glaucoma â caused by other conditions or eye treatments.  developmental glaucoma â a rare condition affecting young babies.