MDT EYE Acute Vision Loss

Question 1

What is defined as vision loss that returns to normal within 24 hours, usually within 1 hour

Answer 1

Transient visual loss

Question 2

Transient visual loss Cause
Few seconds (usually bilateral)

Answer 2

Acute change in BP or disc drusen

Question 3

Transient visual loss Cause
Few minutes:
Unilateral vs bilateral

Answer 3

Amaurosis fugax
transient ischemic attack; unilateral,
vertebrobasilar artery insufficiency; bilateral.

Question 4

These are potentially what?

(1) Eyelid swelling
(2) Corneal irregularity
(3) Hyphema
(4) Ruptured globe
(5) Traumatic cataract
(6) Commotio retinae
(7) Retinal detachment
(8) Retinal or vitreous hemorrhage
(9) Lens dislocation
(10) Traumatic optic neuropathy
(11) Cranial neuropathies
(12) CNS injury
(13) Sympathetic ophthalmia (rare)

Answer 4

Posttraumatic visual loss etiologies

Question 5

Visual Loss Management

Answer 5

(1) Thorough external inspection of the eye
(2) Test visual acuity and field of vision bilaterally
(3) Neurological examination if you have suspicion of TIA or stroke
(4) Ophalmoscopic examination
(5) Thorough ophthalmoscopic examination
(6) If concern of traumatic rupture globe, use an eye shield
(7) Immediate consult to medical officer and/or optometry or ophthalmology should be done