This skin disorder, also called erythema multiforme major, sometimes causes painful lesions on the eyelids. Stevens-Johnson syndrome can cause painful corneal blisters and even holes, leading to vision loss.

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Herpes Zoster (Shingles) If you ever had chickenpox, you’re at higher risk of developing shingles later in life. Shingles can affect many parts of the body. If it travels to your eyes, your cornea can become inflamed and even scarred. Corneal damage might not be apparent until months after the shingles

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