Abstract
The present pilot study was undertaken to investigate the impaired acquired color vision on Calabrian male sample showing this parameter as a biological marker in type 2 diabetes. All patients and controls underwent three pseudo-isochromatic clinical test batteries: Ishihara test, Farnsworth test, and City University test. The results show a specific loss of short-wavelength (blue sensitivity) and typical tritan responses in diabetic patients. Generally, in later stages of the disease, the red-green mechanisms are involved. By the impaired color vision study in diabetic patients, we can confirm the impaired retina-brain cortex pathway. We believe that the above not invasive test analysis can support the other instrumental and imaging analysis to study the impaired retina-brain cortex pathway. Moreover, we think that the present clinical method can be useful in terms of preventive medicine.
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Acknowledgments
The authors thank Istituto Nazionale Riposo e Cura per Anziani (INRCA), Cosenza (Calabria, Southern Italy) to have checked into the hospital our patients. This study is part of the research project “Color vision in neurological, metabolic, and cardio-vascular diseases” from the National Researches Council approved by the Ethical Committee.
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Piro, A., Tagarelli, A., Lagonia, P. et al. Color vision study to assess the impaired retina-brain cortex pathway in type 2 diabetes: a pilot study in Calabria (Southern Italy). Neurol Sci 40, 1939–1942 (2019). https://doi.org/10.1007/s10072-019-03894-4
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DOI: https://doi.org/10.1007/s10072-019-03894-4