Hypersensitivity types

Question 1

type 1

Answer 1

(IgE, mast cell, eosinophils) allergic conjunctivitis, hay fever, VKC, GPC, AKC (also type IV)

Question 2

type II

Answer 2

(cytotoxic->ab->ag->complement) ocular cicatricial pemphigoid, Mooren’s

Question 3

type III

Answer 3

(antibody/antigen complex) Staph marginal, disciform keratitis, subepi infiltrates, Wessely ring, scleritis, phacoanaphylactic endophthalmitis (zonal granuloma)

Question 4

type IV

Answer 4

(delayed cell mediated, T cell) SJS, phylectenule, AKC (also I), graft rejection, contact dermatitis, interstitial keratitis, granulomatous disease (syphilis, TB, leprosy), acne rosacea, sympathetic ophthalmia

Question 5

type V

Answer 5

(stimulating ab) Graves, MG

Question 6

allergic conjunctivitis

Answer 6

I

Question 7

hay fever

Answer 7

I

Question 8

VKC

Answer 8

I

Question 9

GPC

Answer 9

I

Question 10

AKC

Answer 10

I, IV

Question 11

ocular cicatricial pemphigoid

Answer 11

II

Question 12

Mooren’s

Answer 12

II

Question 13

SJS

Answer 13

IV

Question 14

Staph marginal

Answer 14

III

Question 15

Disciform keratitis

Answer 15

III

Question 16

Subepi infiltrates

Answer 16

III

Question 17

Wessely ring

Answer 17

III

Question 18

scleritis

Answer 18

III

Question 19

phacoanaphylactic endophthalmitis (zonal granuloma)

Answer 19

III

Question 20

phlyctenule

Answer 20

IV

Question 21

graft rejection

Answer 21

IV

Question 22

contact dermatitis

Answer 22

IV

Question 23

interstitial keratitis

Answer 23

IV

Question 24

granulomatous disease - syphilis, TB, leprosy

Answer 24

IV

Question 25

acne rosacea

Answer 25

IV

Question 26

sympathetic ophthalmia

Answer 26

IV

Question 27

Graves

Answer 27

V

Question 28

MG

Answer 28

V