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. 2003 May;86(3):152-6.
doi: 10.1111/j.1444-0938.2003.tb03097.x.

Letter contrast sensitivity changes in early diabetic retinopathy

Efty P Stavrou  1 , Joanne M Wood
Affiliations
Free article

Letter contrast sensitivity changes in early diabetic retinopathy

Efty P Stavrou et al. Clin Exp Optom. 2003 May.
Free article

Abstract

Purpose: To investigate the discriminative ability of letter contrast sensitivity (CS) and visual acuity (VA) in detecting functional losses in participants with type 2 diabetes.

Methods: LogMAR VA and letter CS were measured on 20 type 2 diabetic and 24 age-matched control participants. The diabetic participants were sub-grouped according to the level of retinopathy present.

Results: Letter CS was able to distinguish those participants with and without macular oedema and those with no or minimal diabetic retinopathy from the control group, whereas VA was not.

Conclusion: Letter CS may be used as an effective screening tool to assess damage to the visual pathway of diabetic participants both with and without clinically detectable signs.

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