Biomedical subjects
Publications and source records attributed to M Anastasi.
Colour vision defects were studied with an adapto-electroretinogram and with computer of average transients. ERG abnormalities were observed in achromatopsia, protanopia and protanomaly, which in deuteranopia and deuteranomaly the ERG was normal.
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The latency of pattern-reversal VEPs was studied in type I insulin-dependent diabetics without retinal and extraocular involvement. One hundred eyes of 50 diabetics (mean age 19.8 +/- 7.2 years) formed the study group; the duration of the disease ranged between 1 month and 15 years. The latencies of VEPs were progressively delayed in relation to the duration of the disease, becoming more and more evident and stabilizing after about 6 years from the onset of diabetes. The VEP alterations probably indicate alteration of membrane balance or demyelinization.