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Can Fam Physician. 2010 April; 56(4): 355.
PMCID: PMC2860831

Question: Can you identify this condition?

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A 50-year-old healthy man presents to a family medicine clinic and mentions that he has never before had his eyes checked. He has no ocular complaints. His visual acuity is 20/20 bilaterally, with an intraocular pressure of 14 mm Hg (normal range 10 to 21 mm Hg). Cornea, pupil, and lens examination results are normal. However, fundus examination of the left eye reveals a feathery, superficial, white lesion extending from the disc margin. The macula is unchanged.

This most likely diagnosis is

  1. Primary open-angle glaucoma
  2. Optic nerve coloboma
  3. Myelinated retinal nerve fibre layer
  4. Optic nerve hypoplasia

Answer on page 357


Articles from Canadian Family Physician are provided here courtesy of College of Family Physicians of Canada