When to See a Doctor for Red Eye Treatment If eye redness continues for more than a short period, recognizing the warning signs that require medical care can protect your vision. While some cases of red eye are harmless and temporary, some warning signs should never be ignored. Eye redness https://www.diigo.com/item/note/b2knr/kur4?k=9fd3d5ab3259db7fac0450a858fad7bb