Glaucoma

Question 1

How does fluid drain out of the eye? 3 stages

Answer 1

1) flows forward over the anterior surface of the lens
2) through the pupil
3) through the trabecular meshwork into schlemms canal

Question 2

Glaucoma =

Answer 2

multifocal optic neuropathy

Question 3

RF for primary open angle glaucoma (4)

Answer 3

increased IOP
Thin cornea
+ve FH
Afro caribbean

Question 4

Early symptoms of POAG?

Answer 4

Asymptomatic

Question 5

What bit of vision is lost first in POAG?

Answer 5

field loss first

Question 6

4 options for topical drop treatment in POAG

Answer 6

Beta adrenergic blockers
Adrenergic agonists
Carbonic anhydrase
Prostaglandin analogs

Question 7

4 risk factor for ACAG

Answer 7

Elderly
Chinese race
Cataracts
Hypermetropia

Question 8

5 symptoms of ACAG

Answer 8

Sudden onset headache 
Painful red eye 
N&V 
Halos around lights 
Decreased vision

Question 9

What is found on gonioscopy in ACAG?

Answer 9

Closed angle

Question 10

4 signs of ACAG on examination

Answer 10

Decreased visual acuity
Mild dilated pupil
Cloudy oedematous cornea
Red eye

Question 11

Immediate treatment for ACAG?

Answer 11

IV acetazolamide

Question 12

Action of acetazolamide

Answer 12

suppress aqueous production

Question 13

maintenance treatment in ACAG?

Answer 13

oral acetazolamide

Question 14

What is used as topical aqueous suppressors in ACAG?

Answer 14

Beta blockers and alpha agonists

Question 15

What is used to open the drainage angle in ACAG?

Answer 15

Pilocarpine drops

Question 16

2 surgical preventative measures in ACAG?

Answer 16

Laser peripheral cridotomy

Surgical iridectomy

Question 17

Prophylatic topical drops for ACAG?

Answer 17

Phenylphrine and Tropicamide

Question 18

screening for those with a +ve FH of glaucoma

Answer 18

screened annually from aged 35 years