Allergic Eye Diseases
Introduction Allergic eye disease (AED) is a common problem, owing to the fact that the eye is the first organ to encounter environmental allergens. It has been reported to affect 20% of the population worldwide1, 2. Allergic eye disease is found to be on the rise in line with other atopic diseases like asthma, due to environmental reasons. Classification of Allergic Eye Diseases 1, 4 1. Allergic conjunctivitis Acute allergic conjunctivitis Seasonal allergic conjunctivitis Toxic induced (acute contact with irritant) Chronic allergic conjunctivitis Perennial allergic conjunctivitis Toxic induced (long standing) 2. Contact dermatoblepharitis 3. Vernal keratoconjunctivitis 4. Atopic keratoconjunctivitis 5. Giant papillary conjunctivitis 6. Microbial allergic conjunctivitis Staphylococcal blepharoconjunctivitis Phylectenular keratoconjunctivitis Splendore Hoeppli phenomenon (allergic granulomatous Nodules) Immunopathology in allergic eye disease 3, 5 The ocular surface exhibits a variety o