Glaucoma

Question 1

RF - POAG

Answer 1

age > 40 
genetic 
DM - POAG - abnormal vessels growing into TM 
black race 
thin cornea 
myopia

Question 2

C:D ratio

Answer 2

Greater than 0.6

Question 3

Glaucoma triad

Answer 3

Optic neuropathy - OD cupping > 0.6
Increased IOP > 21 mmHg
Peripheral visual field loss

Question 4

Management

Answer 4

B-blockers - decrease aqueous production
CAH - decrease aqueous production
a2 agonists - decrease aqueous production
prostaglandin analogues - increase uveoscleral outflow

Trabeculectomy
Laser surgery

Question 5

Acute Angle closure glaucoma

Answer 5

red painful eye
hazy cornea
pupil abn

RF

• hypermetropia
• pupil block
• shallow ant chamber depth
• DM = increase lens size due to water accumulation
• trauma

management

• analgesics
• anti-emetics
• pilocarpine
• laser iridotomy

Question 6

Secondary glaucoma

Answer 6

• inflammation - uveitis
• pseudo exfoliation - blocks TM
• pigment dispersion
• aphakia - congenital trauma or iatrogenic
• lens abn
• iris neovascularisation
• steroid Rx - affects TM morphology
• intra ocular tumours