neurasthenic visual fields
3.Methods Central visual fields of 28 eyes in 15 patients with PPD or PDR were examined using 30-2 full threshold program in Humphrey visual analyzer to calculate the visual field indexes including mean defect(MD), corrected pattern standard deviation(CPSD). Twenty-one eyes in 15 patients without background diabetic retinopathy(BDR)or without (NDR) were used as the control group.


