Ophthalmology

Question 0

Most common cause of amblyopia

Answer 0

Strabismus

Alternatively, congenital cataract

Question 1

Vision impairment resulting from interference with imaging processing in the brain i.e. Overlapping images causing suppression of one image and thus cortical blindness

Answer 1

Amblyopia

Question 2

Reflection from a light comes from different areas of the cornea in each eye
Tx?

Answer 2

Strabismus

Surgical correction or amblyopia results

Question 3

Strabismus that occurs later in infancy

Tx?

Answer 3

Exaggerated convergence caused by refraction difficulties

Corrective glasses resolves the problem

Question 4

Possible causes of a white pupil in a baby (2)

Answer 4

Retinoblastoma
Congenital cataract

Correction required to avoid amblyopia

Question 5

Sudden severe eye pain in the evening
Frontal headache
Halos around lights
Unreactive pupil with cloudy cornea

Answer 5

Acute angle closure glaucoma

Eyeball will feel hard as a rock

Question 6

Management of acute angle closure glaucoma before emergency surgery

Answer 6

Systemic carbonic anhydrase inhibitor
Topical beta-blockers, alpha-2 agonists
Mannitol, pilocarpine

Question 7

Hot, tender, red, swollen eyelids
Fixed dilated pupil, limited motion
Febrile
Dx, tx?

Answer 7

Orbital cellulitis

CT scan, drainage

Question 8

Tx for chemical burns of the eye

Answer 8

Massive irrigation with plain H2O

pH testing after continued irrigation in ED

Question 9

Pt sees flashes of light, floaters, or dark spots in field of vision
Tx?

Answer 9

Retinal detachment

Laser spot welding

Question 10

Sudden vision loss in one eye
Elderly
Tx?

Answer 10

Embolic occlusion of retinal artery

Breath into paper bag, press hard repeatedly on eye to dislodge into more distal location sparing vision that will be lost within 30 mins