Allergic Conjunctivitis

Question 1

Mention 2 allergic conjunctivitis

Answer 1

Vernal keratoconjunctivitis (spring catarrh)
Giant papillary conjunctivitis

Question 2

Is vernal conjunctivitis related to atopy?

Answer 2

About 3/4 of pt have atopy, and 2/3 have a close family history of atopy

Question 3

Symptoms of vernal keratoconjunctivitis

Answer 3

Itching
Lacrimation
Photophobia
Foreign body sensation
Discharge

Question 4

when you invert the eyelid, what do you see?

Answer 4

Papillary hypertrophy in upper palpebral conjunctiva.

Then they become larger and have flat toped polygonal appearance (Cobble-stone)

Question 5

What are the other signs that you can see in vernal keratoconjunctivitis?

Answer 5

Tranta’s dots
Micropannus, Superfacial punctate keratitis

Question 6

What are Tranta’s dots?

Answer 6

They are whitish dots seen at the limbus, composed of eosinophils

Question 7

Treatment of vernal keratoconjunctivitis:

Answer 7

Mast cell stabilizer (sodium cromoglycate)
Antihistamine

Topical steroid (severe and not for a long time)
Cold compresses to relief symptoms

Question 8

What is giant papillary conjunctivitis?

Answer 8

It is a type of allergic conjunctivitis characterized by the formation of large papillae on the upper tarsal conjunctiva.

It is often associated with the use of contact lenses or artificial eyes