Table 1 Distribution of contrast sensitivity and visual acuity in total patient population.

Contrast Sensitivity log scores	1.65,1.50,1.35 (best)	1.20,1.05,0.90	0.75,0.60,0.45	0.30,0.15,0.00 (poorest)	Total
Acuity
⩾6/18 (best)	26	48	24	3	101(45%)
⩽6/24‐⩾6/36	6	24	18	2	50(22%)
⩽6/60‐⩾1/18	4	9	25	20	58(26%)
⩽1/25 (poorest)	0	0	3	13	16(7%)
total	36(16%)	70(31%)	70(31%)	38(17%)	N = 225