What are symptoms of allergic conjunctivitis?

Itch...: Conjunctivitis is inflammation of the whites of the eyes, and typically gives redness of the eyes. When caused by allergies, the eyes will almost invariably itch, may be watery, and could be puffy. Both eyes are typically affected by environmental (eg, pollen, cat) allergies, as opposed to infectious conjunctivitis in which only one eye may be affected. Talk with your doctor for more info.

Allergies: "itchy waterey runny" eyes. Some mild redness and puffiness of the eyelids. Often goes hand in hand with seasonal or perennial allergies. Other coexisting symptoms may involve sneezing, coughing, post nasal drip.

Itchy, red, burning: This picture illustrates it well: itching, redness, burning, watering with puffiness and swelling, big shiners-notice the dark circles. Beware scratching the cornea and rubbing foreign bodies like dust/sand getting into the eye. Also the white of the eye can swell: chemosis.

Itching: The hallmark symptom is itching -- caused by histamine release. They eyes can also be red, watery, running, swollen and worse.