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Color vision defects in early diabetic retinopathy.

M S Roy, R D Gunkel, M J Podgor

    Archives of Ophthalmology (Chicago, Ill. : 1960)
    |February 1, 1986
    PubMed
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    Diabetic patients showed more color vision defects than controls, even with minimal retinopathy. These vision impairments were not linked to age, sex, or diabetes control.

    Area of Science:

    • Ophthalmology
    • Diabetology
    • Vision Science

    Background:

    • Diabetic retinopathy is a known complication of diabetes mellitus.
    • Color vision impairment can be an early indicator of neurological or vascular damage.

    Purpose of the Study:

    • To investigate color vision deficits in insulin-dependent diabetic patients with minimal retinopathy.
    • To compare color vision performance between diabetic patients and healthy controls.

    Main Methods:

    • Utilized four distinct color vision tests: Lanthony desaturated D-15, Farnsworth-Munsell 100-Hue, and chromagraph.
    • Assessed 51 insulin-dependent diabetic patients and 41 normal controls, examining both right and left eyes.

    Main Results:

    • Diabetic patients exhibited significantly more color vision defects compared to controls across multiple tests.

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  • Farnsworth-Munsell 100-Hue scores were notably higher in diabetic patients, indicating poorer color discrimination.
  • No correlation was found between color vision defects and patient demographics or diabetes management factors.

    • Conclusions:

    • Early-stage diabetes, even with minimal retinopathy, is associated with significant color vision impairment.
    • Color vision testing may serve as a sensitive tool for detecting subclinical visual dysfunction in diabetics.
    • Further research is needed to understand the underlying mechanisms and long-term implications of these findings.