Why Does One Eye Become Red More Often Than the Other?
Have you ever noticed that one of your eyes becomes red while the other looks completely normal? This can happen for several reasons, including dryness, allergies, irritation, or an eye infection. Sometimes, redness affects only one eye because the problem is limited to that particular eye. Although occasional redness may not always indicate a serious problem, repeated redness should not be ignored. Understanding the possible causes, associated symptoms, and appropriate care can help you protect your eye health. 1. Why Does Only One Eye Become Red? Redness develops when small blood vessels on the surface of the eye become enlarged or inflamed. This makes the white part of the eye appear pink or red. When only one eye is affected, it may be due to local irritation, an infection, a blocked tear duct, or an injury. For example, dust entering one eye can cause irritation without affecting the other. Sometimes, people unknowingly rub one eye more frequently, which can also contribute ...