Conjunctivitis Flashcards
What is Conjunctivitis?
Inflamm of conjunctiva
What is the Conjunctiva?
Thin layer of tissue covering inside of eyelids + Sclera
What are the 3 types of Conjunctivitis?
- Bac
- Viral
- Allergic
What are the general CF of Conjunctivitis? (4 things)
- Red eyes
- Bloodshot
- Itchy / gritty
- Discharge
Are the CF of Conjunctivitis Unilat / Bilat?
Can be either
What CF does Conjunctivitis NOT have? (3 things)
- Pain
- Photophobia
- Reduced visual acuity (apart from when eye covered in discharge)
What are the specific CF of Bac Conjunctivitis? (2 things)
- Purulent discharge
- Inflamed conjunctiva
When is Bac Conjunctivitis worse?
Worse in morning (eyes stuck together)
How does Bac Conjunctivitis start?
Starts in one eye –> spread to other
What are the specific CF of Viral Conjunctivitis? (5 things)
- Clear discharge
- Tender preauricular lymph nodes (in front of ears)
- Blocked nose
- Dry cough
- Sore throat
What are the specific CF of Viral Conjunctivitis? (5 things)
- Clear discharge
- Dry cough
- Sore throat
- Blocked nose
- Tender preauricular lymph nodes (in front of ears)
What are the specific CF of Allergic Conjunctivitis? (3 things)
- Swelling of Conjunctival sac + Eye lid
- Very watery discharge
- Itch
What is the difference in discharge between the different types of Conjunctivitis?
- Bac: Purulent
- Viral: Clear
- Allergic: Very watery
How do you separate between the different groups of DDx of Conjuncivitis?
Painful vs Painless Red Eye
What are the DDx of Painless Red Eye? (3 things)
- Conjunctivitis (obv)
- Episcleritis
- Subconjunctival Haemorrhage
What are the DDx of Painful Red Eye? (7 things)
- Glaucoma
- Ant uveitis
- Scleritis
- Corneal abrasions / ulceration
- Keratitis
- Foreign body
- Trauma / chemical injury
What are the DDx of Painful Red Eye? (7 things)
- Glaucoma
- Ant uveitis
- Scleritis
- Corneal abrasions / ulceration
- Keratitis
- Foreign body
- Trauma / chemical injury
What are the Mx options for Conjunctivitis?
Self limiting within 1-2 weeks
What should you advise pt w Conjunctivitis? (4 things)
- Good hygiene (aka wash hands / don’t share towels / don’t rub eyes)
- Don’t use contact lenses
- Clean eyes w cooled boiled water
- Clear discharge w Cotton wool
What are the Mx options if you sus BAC Conjunctivitis?
Abx eye drops
(but bear in mind it might get better even w/o dis)
What are the Mx options if you sus BAC Conjunctivitis?
Abx eye drops
(but bear in mind it might get better even w/o dis)
What Abx eye drops can you use for BAC Conjunctivitis? (2 things)
- Chloramphenicol
- Fuscidic acid
What are the Mx options for Allergic Conjunctivitis?
Antihistamines (oral / topical) (relieves symptoms)
What should you consider for Mx Allergic Conjunctivitis w Chronic seasonal CF?
Topical mast-cell stabilisers
How do Topical mast-cell stabilisers work in Allergic Conjunctivitis Mx?
Prevent mast cells releasing histamine
What should you do for Babies under 1 month w Conjunctivitis?
Urgent ophthalmology review
Why do Babies under 1 month w Conjunctivitis need an Urgent ophthalmology review?
Bc Neonatal conjunctivitis assoc w Gonococcal inf –> Blindless + Pneumonia
