Is there a way to relieve allergic conjunctivitis?

Yes: Topical, long-acting antihistamines can help a lot. Occasionally we need to resort to use of topical steroid drops to break the reaction. Also, lid hygiene to help promote removal of the antigens can help as well. Systemic antihistamines such as zyrtec or Allegra can help the eyes in addition to nasal symptoms.

Treat allergies: Soothe eyes, use various types of antihistamines, mast cell stabilizers, cold artificial tears and compresses. Steroids may be needed, treat seasonal allergies, systemic therapy.