Table 1

 Sex, occupation, and literacy characteristics of study population

Presenting visual acuityBest corrected visual acuity
>3/60⩽3/60>3/60⩽3/60
SexMale1441 (45.44%)321 (42.63%)1704 (44.94%)58 (43.94%)
Female1730 (54.56%)432 (57.37%)2088 (55.06%)74 (56.06%)
Total31717533792132
OccupationManual2336 (73.66%)611 (81.14%)2836 (75%)111 (84.1%)
Non-manual835 (26.33%)142 (18.54%)956 (25%)21 (15.9%)
Total31717533792132
LiteracyLiterate1741 (54.90%)504 (66.93%)2161 (57%)84 (63.64%)
Illiterate1430 (45.09%)249 (33.07%)1631 (43%)48 (36.36%)
Total31717533792132