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:: Volume 22, Issue 4 (Iranian Journal of Ophthalmology 2010) ::
2010, 22(4): 88-88 Back to browse issues page
Combined Contrast Sensitivity, Color Vision and Visual Acuity: Is It Really Good?
Viroj Wiwanitkit Dr. *
, wviroj@yahoo.com
Abstract:   (7402 Views)

Dear Editor:

I read the recent publication on contrast sensitivity, color vision and visual acuity with a great interest.1 Heravian et al. concluded that “The findings also suggest that the appropriate combination of existing tests may be a useful method of improving screening accuracy in diabetic patients1”. I agree that the combination might be a good way to increase the sensitivity of screening. However, it is questionable whether this proposed combination a really good alternative choice. The use of many investigations might increase sensitivity but reduce specificity. This means increased false diagnosis. Although good agreement can be observed the problem in the case with disagreement might be expected. Finally, “Does the slightly increased sensitivity is cost effective for funding?” is the question for discussion.

 

  Viroj Wiwanitkit, MD

  Bangkok, Thailand

  wviroj@yahoo.com

 

Reference

 

Heravian J, Shoeibi N, Azimi A, et al. Evaluation of Contrast Sensitivity, Color vision and visual acuity in patients with and without diabetes. Iranian Journal of Ophthalmology 201022(3):33-40.
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Wiwanitkit V. Combined Contrast Sensitivity, Color Vision and Visual Acuity: Is It Really Good?. Iranian Journal of Ophthalmology. 2010; 22 (4) :88-88
URL: http://irjo.org/article-1-412-en.html


Volume 22, Issue 4 (Iranian Journal of Ophthalmology 2010) Back to browse issues page
مجله چشم پزشکی ایران Iranian Journal of Ophthalmology
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