ALLERGIC CONJUNCTIVITIS

It is the inflammation of conjunctiva due to allergic or hypersensitivity reactions which may be immediate (humoral) or delayed (cellular). The conjunctiva is ten times more sensitive than the skin to allergens.

Types

1. Simple allergic conjunctivitis

•  Hay fever conjunctivitis
• Seasonal allergic conjunctivitis (SAC)
•  Perennial allergic conjunctivitis (PAC)

2. Vernal keratoconjunctivitis (VKC)

3. Atopic keratoconjunctivitis (AKC)

4. Giant papillary conjunctivitis (GPC)

5. Phlyctenular keratoconjunctivitis (PKC)

6. Contact dermoconjunctivitis (CDC)