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Symptoms & Signs in Clinical Medicine
By/Mohamed Ahmed El –Shafie
Lecturer in ophthalmology department KafrELShiekh
University
Visual Acuity
• Near vision
- Reading from a book
• Far vision
- Snellen chart.
 - Ishihara charts
Dyschromatopsia
• Impaired color vision
• Desaturation
• – eg: red = dark/ beached
• Distinguishes b/w macular lesion
35

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integrated optic nerve.pptx

  • 1. Symptoms & Signs in Clinical Medicine By/Mohamed Ahmed El –Shafie Lecturer in ophthalmology department KafrELShiekh University
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7.
  • 8. Visual Acuity • Near vision - Reading from a book • Far vision - Snellen chart.  - Ishihara charts
  • 9. Dyschromatopsia • Impaired color vision • Desaturation • – eg: red = dark/ beached • Distinguishes b/w macular lesion
  • 10.
  • 11.
  • 12.
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