Differential Diagnosis
The following conditions should be ruled out in the diagnosis of allergic conjunctivitis:
- Anterior uveitis or iritis
- Angle closure glaucoma
- Atopic keratoconjunctivitis
- Bacterial or viral conjunctivitis
- Blepharoconjunctivitis
- Contact lens-associated papillary conjunctivitis
- Contact ocular allergy or toxic keratoconjunctivitis
- Episcleritis and scleritis
- Giant papillary conjunctivitis
- Keratitis sicca or dysfunctional tear syndrome (dry eye)
- Ocular rosacea
- Superior limbic keratoconjunctivitis
- Vernal keratoconjunctivitis