Red Eye Causes: Conjunctivitis vs Uveitis vs Acute Angle-Closure Glaucoma
Ask anyone who has spent time in an eye clinic what walks through the door most often, and "red eye" will come up almost every time. Most of those eyes turn out to be nothing scary. But every so often, one of them is an emergency wearing a very ordinary disguise. Three conditions make up a big share of red eye cases: conjunctivitis , uveitis and acute angle-closure glaucoma . They can look surprisingly similar at first glance, yet what they need from you is completely different. In this post, we'll walk through each one in plain language, so you know what you're looking at and when to stop waiting and get help. First, Two Questions That Sort Most Red Eyes Before anything else, ask these two things: Is the vision affected? Is there real pain or light sensitivity? If the answer to both is "no," you're probably dealing with surface irritation, which is usually conjunctivitis. If vision is blurry and the eye hurts, something deeper is g...