When Should You Visit a Doctor for Red Eye Problems If eye redness continues for more than a short period, recognizing the warning signs that require medical care can protect your vision. In many situations, red eye may result from mild irritation, there are situations where professional care is necessary. https://www.diigo.com/item/note/b2kvl/exjt?k=b0b0e3fa8f396bea95ffb0508ee36d66