The clear, thin layer covering your eyeball and inside your eyelid is called the conjunctiva. Sometimes this layer becomes irritated and leads to a condition that doctors call conjunctivitis. If the irritation is caused by allergens (like pollen, pets, or dust) that get into your eye, it's allergic conjunctivitis.

Allergic conjunctivitis is a real problem for many people. The American Academy of Allergy, Asthma and Immunology states that almost 1 out of 4 people in the US have the condition.1 Discovering more about what causes allergic conjunctivitis and how OPTIVAR eye drops can relieve the itch of allergy eyes may be the first step to feeling better.