Open angle glaucoma

Question 1

Glaucoma definition

Answer 1

Disorder characterised by progressive optic neuropathy usually due to raised intraocular pressure

Question 2

Glaucoma features

Answer 2

Peripheral visual field loss
Decreased visual acuity
Pain, headaches, halos
Increased cup/disc ratio

Question 3

Open angle glaucoma risk factors

Answer 3

*Age
*Family history
*Black ethnicity
*Myopia
*Hypertension, diabetes

Question 4

Open angle glaucoma investigations

Answer 4

Visual fields - peripheral loss
Slit lamp - optic cupping
Gonioscopy - no obstruction unlike acute
Tonometry for IOP (Goldmann)

Question 5

First line treatment for open angle glaucoma

Answer 5

Latanoprost (increases outflow)
Can cause eyelash growth, change in iris colour
OR 360 degree selective laser trabeculoplasty (increases drainage from trabecular meshwork)