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Patients with red (and often itchy, watery, and puffy) eyes are not uncommon, particularly during the allergy season when airborne pollens and dust can cause allergic rhinoconjunctivitis. However, other types of ocular allergy, such as atopic and vernal keratoconjunctivitis, giant papillary conjunctivitis, and contact allergy, can be present year-round. Dr Friedlaender discusses the signs that differentiate these disorders. He also summarizes the safest steps for a nonophthalmologist to take in relieving the patient's discomfort and specifies when consultation with an ophthalmologist should be sought.