Red Eye

Question 1

Conjunctiva

Answer 1

Spontaneous sub-conjunctival hemorrhage
Conjunctivitis - bacterial infection, viral infection or allergy
Giant papillary conjunctivitis - caused by contact lenses
Episcleritis - inflammation between conjunctiva & sclera. Associated with autoimmune.

Question 2

Sclera

Answer 2

Scleritis - usually autoimmune: RA, SLE

Question 3

Iritis / uveitis

Answer 3

Infectious
Autoimmune
Trauma - usually surgical
Sarcoidosis
IBD - extra-intestinal manifestations

Question 4

Infections causing iritis / anterior uveitis

Answer 4

Herpes simplex
Herpes zoster
Syphilis
TB
Leprosy
Protozoal infection
Fungal infection

Question 5

Autoimmune causes of iritis / anterior uveitis

Answer 5

Ankylosing spondylitis
Reiter’s disease (reactive arthritis)
Juvenile chronic arthritis
Immune ocular disease

Question 6

Red eye - order

Answer 6

FI stain + slit lamp examination

Swab + culture

Question 7

Iritis / ant. uveitis - order

Answer 7

FI stain + slit lamp examation
Bloods - check RF
CXR

Question 8

Cornea

Answer 8

Corneal ulcer (ulcerative keratitis) - caused by abrasion or infection

Question 9

Infectious causes of ulcerative keratitis

Answer 9

Herpes simplex
Pseudomonas
Candida 
Aspergillus
Protozoal infection

Question 10

Fluid pressure build up

Answer 10

Acute closed-angle glaucoma