Occular Allergies Flashcards Preview

[OS 216] Immuno Exam 2 Carlos Cluster > Occular Allergies > Flashcards

Flashcards in Occular Allergies Deck (20)
Loading flashcards...
1

percent of patients worldwide that experience
ocular allergy

15-25%

2

Pathogenesis of hay fever

IgE mediated

3

Clinical presentation of hay fever

Palpebral papillary hypertrophy, develop rapidly, short lived episodic,

4

severe seasonal inflammation of the
superior tarsal conjunctiva thought to be due
to an allergic reaction

Vernal Keratoconjunctivitis

5

Pathogenesis of Vernal Keratoconjunctivitis

Type I and IV hypersensitivity reactions

6

Clinical presentation of Vernal Keratoconjunctivitis

Chronic, recurring, Itchiness, Photophobia, Palpebral papillary hypertrophy, Horner-Trantas Dots

7

Chalky mounds of conjunctiva around the limbus,
which are actually collections of degenerated
epithelial cells and eosinophils

Horner-Trantas Dots

8

Pathogenesis of Atopic Keratoconjunctivitis (AKC)

Primarily type IV

9

Clinical Presentation of AKC

Year-round disease, Older patients, whitish cornea,

10

Pathogenesis of Contact Lens-induced Conjunctivitis

residues/debris left on the contact lens

11

Hallmark of contact lens-induced conjunctivitis

Superior tarsal papillary hypertrophy

12

Clinical presentation of Giant Papillary Conjunctivitis

Large papillae (>0.3mm) on superior tarsus

13

Pathogenesis of Contact Dermatopblepharitis

Topical application of medication, cosmetics, etc.

14

Clinical Presentation of acute Contact Dermatopblepharitis

Itching, eyelid erythema and swelling,
conjunctival redness, chemosis

15

Clinical Presentation of chronic Contact Dermatopblepharitis

Eyelid erythema, leathery thickening, scaling

16

Pathogenesis of Atopic Dermatits

Increased IgE hypersensitivity, Increased mast cell release of histamines, Impaired cell-mediated immunity

17

Clinical Presentation of AD

Pruritus, Periorbital darkening, chronic conjunctivitis

18

Topical antihistamine for ocular allergies

Olopatadine or ketotifen

19

Mast cell stabilizer examples

Sodium cromoglycate, Olopatidine

20

Three general treatment steps

Identify, remove, avoid