Red eyes can be caused by mild problems like contact overuse and eye strain — or more serious issues like glaucoma or uveitis ...

Haupt is a health and wellness editor at TIME. Photo-Illustration by Chloe Dowling for TIME (Source Images: Pawel Kacperek—Getty Images, Tess Trunk—Getty Images, sparklestroke via Canva.com) Haupt is ...

We’re looking at you, Fluffy. “The most common reason for itchy eyes is allergies to environmental things like pet dander and pollen that can cause a condition called allergic conjunctivitis, which ...

Waking up with red eyes is a common issue that can stem from various causes, ranging from harmless to more serious. Overnight dryness, allergies, or contact lens use often lead to irritation and ...

Meredith R. Klifto, MD, is an assistant professor of ophthalmology at the University of North Carolina School of Medicine, Chapel Hill. As a board-certified ophthalmologist, she specializes in ...