Acute Increase in Intraocular Pressure

Acute angle-closure glaucoma, inflammatory open angle glaucoma, malignant glaucoma, hyphema, glaucomatocyclitic crisis (Posner–Schlossman syndrome), postoperative complications (see “POSTOPERATIVE COMPLICATIONS” in this chapter), suprachoroidal hemorrhage, c-c fistula, spontaneous closure of cyclodialysis cleft, retrobulbar hemorrhage, other orbital disease.

Chronic Increase in Intraocular Pressure

See 9.1, PRIMARY OPEN ANGLE GLAUCOMA, and 9.5, CHRONIC ANGLE-CLOSURE GLAUCOMA.

Decreased Intraocular Pressure (Hypotony)

Ruptured globe, phthisis bulbi, retinal/choroidal detachment, iridocyclitis, severe dehydration, cyclodialysis cleft, ocular ischemia, drugs (e.g., glaucoma medications), postoperative complications (see “POSTOPERATIVE COMPLICATIONS” in this chapter), traumatic ciliary body shutdown.