Reasons for more bloodshot eyes

Eye bloodshot may be because sleep too late at night, stay up late easy to cause more bloodshot eyes. Second may be because of excessive eye fatigue, easy to cause more bloodshot eyes. In addition, contact with allergic substances, such as haze, smoke and other relatively large will cause eye irritation show redness. Dry eyes cause dry eyes or eye tear secretion is too small, often more bloodshot eyes than others.