Merck Manual

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External Stye (Hordeolum)
External Stye (Hordeolum)
External Stye (Hordeolum)

Most styes (hordeola) are external, as pictured here on the lower eyelid. The stye is swollen, red, and inflamed and is slightly yellow in the center.

DR. CHRIS HALE/SCIENCE PHOTO LIBRARY