Mayo Clinic Health Manager
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By Mayo Clinic staffMost sties are harmless to your eye and don't affect your ability to see clearly. Still, you may want to see your doctor if a sty causes one of the following problems:
- Interferes with your vision
- Appears frequently with successive infections
- Doesn't disappear on its own
- Doesn't respond to self-care
- Develops redness or swelling that extends beyond the lid into your face or cheek