Not all red eyes are created equal. On exam day, missing the diagnosis can cost you easy points. In this rapid-fire episode of One Stem at a Time, we break down the most high-yield causes of red eye through classical vignettes you'll actually see on STEP and COMLEX.

From the highly contagious "pink eye" to the vision-threatening emergencies like acute angle-closure glaucoma, we'll help you distinguish what's benign from what needs urgent action.

You'll learn how to:

* Differentiate viral, bacterial, and allergic conjunctivitis

* Recognize red flag symptoms like pain, photophobia, vision loss

* Identify must-know diagnoses of keratitis, uveitis, and glaucoma

* Build a fast, reliable approach to any red eye question

Perfect for busy students who want high-yield review without fluff.