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).
Primary glaucoma is an inherited condition and is sub-divided into two types: open (POAG) and closed (PCAG) angle glaucoma. In both forms, glaucoma results from reduced drainage of fluid within the eye, causing a build-up of pressure which, in turn, leads to pain and blindness.