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Chalazia vs Stye





Styes and chalazia are lumps in or along the edge of an eyelid. They may be painful or annoying, but they are rarely serious



Chalazia


  •  usually larger and may not hurt
  • forms when an oil gland in the eyelid becomes blocked
  • chronic and usually do not resolve without intervention
  • grow more slowly than styes
  • tend to develop farther from the edge of the eyelid than styes


Stye

  • appears as a red, sore lump near the edge of the eyelid
  • caused by an infected eyelash follicle
  • Styes are caused by a bacterial infection
  • acute onset and usually short in duration (7–10 days without treatment)
  • when a a stye doesn't heal, it can turn into a chalazion


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