Clinical features

Open angle glaucoma

Painless loss of peripheral vision leading to absolute glaucoma as the end stage 

Pupil in the affected eye does not react with direct light in advanced stage 

On examination, cornea and conjunctiva are clear.

The optic nerve is always damaged, this can be seen through fundoscopy 

One eye may be affected more than the other 

Closed angle glaucoma

Primary Angle Closure Glaucoma is an Ophthalmological Emergency. It can present with the following:

Acute and sudden onset of pain in the affected eye 

Severe headache

Vomiting

Cloudiness of the cornea 

Shallow anterior chamber 

Fixed and semi-dilated pupil 

Severe elevated intraocular pressure. 

Dramatic visual impairment