Conjunctivitis

Question 1

Types

Answer 1

allergic
viral
bacterial

Question 2

Features
1. […], painful eye that may feel gritty/itchy
2. […]

If Photophobia – suggests […] involvement ([…])

Answer 2

Red
Discharge
corneal - keratoconjunctivitis

Question 3

If there is photophobia, what does it mean

Answer 3

corneal involvement –> keratoconjunctivitis

Question 4

Should visual acuity be affected?

Answer 4

No

Question 5

Allergic conjunctivitis
- Most common subtype
-[…] discharge from the eyes and, in severe cases, conjunctival oedema.
- Type […] HS reaction to air allergen
- Conservative mx - allergen avoidance and artificial tears. Escalate with topical antihistamine

Answer 5

serous
1

Question 6

Feature of timing of allergic conjunctivitis

Answer 6

symptoms may be exacerbated at certain times of the year or in certain environments where they are exposed to allergens.

Question 7

Viral conjunctivitis
- 2nd most common
- More likely […]
- Serous discharge
- Mx: self-limiting

Answer 7

unilateral

Question 8

Important point about conjunctivitis re hand hygiene

Answer 8

particularly contagious so patients should be advised to wash their hands regularly and avoid sharing towels.

Question 9

Bacterial conjunctivitis
- […] discharge
- Eyelids stuck together
- MC pathogens include Staph […] or aureus, Strep […] and Haemophilus influenzae
- Mx: self-limiting and resolves in 7 – 14 days. If severe: topical […]

Answer 9

purulent
epidermis, pneumoniae
chloramphenicol

Question 10

What other pathogens can cause bacterial conjunctivitis?

Answer 10

Chlamydia trachomatis and neisseria gonorrhoea (sexual history if appropriate)