COLORED RINGS / HALOS


   Seeing of colored rings around bulb may be due to :
  Conjunctivitis.
  Cataract
  Glaucoma - narrow angle

In conjunctivitis and cataract it may be of no significance but it may be early symptom of narrow angle glaucoma. Early diagnosis and treatment by Yag iridotomy , a minor procedure done by laser , prevents acute stage of glaucoma which is painful and may lead to loss of some eyesight.



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