Keratoconjunctivitis sicca (dry eye) is common in dogs. Symptoms include eye redness, a yellow or greenish discharge, ulceration of the cornea, pigmented cornea, and blood vessels on the cornea.

• 干燥性角结膜炎常见于犬类。症状包括眼睛发红、眼分泌物呈黄或绿色、角膜溃疡、角膜色素和血管沉着。