Impaired contrast sensitivity in diabetic patients with and without retinopathy: a new technique for rapid assessment

S Della Sala, G Bertoni, L Somazzi, F Stubbe, A J Wilkins

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A simple technique is described for assessing the sensitivity of the human visual system to gratings at threshold contrast. The technique has advantages for clinical use in that it is (1) inexpensive, (2) quick to administer, (3) portable, and (4) relatively free from bias. Forty-two diabetic patients and 84 normal controls have been tested. Fifteen diabetic patients (6/20 with retinopathy and 9/22 without) had test scores more than two standard deviations below the norm for age-matched controls.
Original languageEnglish
Pages (from-to)136-42
Number of pages7
JournalBritish Journal of Ophthalmology
Volume69
Issue number2
Publication statusPublished - 1985

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