Acute Angle-Closure Glaucoma occurs when the drainage of aqueous humor via the anterior chamber angle is blocked by the iris. People with shallow anterior chamber, either due to short axial length in hyperopia, or enlarged lens by development of cataract. Patients often complain of blurry vision and painful eye, with headache, nausea and vomiting.
- mid-dilated pupil
- "deep-sea-green" pupil
- corneal oedema & injection
- circumcorneal redness
- abrupt rise of intraocular pressure
Acute glaucoma is treated as emergency. Medical treatment includes acetazolamide, beta blockers, pilocarpine, prostaglandin analogue, and alpha-2 adrenergic agonists. If medical treatment failed, laser iridectomy or surgical intervention is needed.