Table 5

Visual function and quality of life mean scores (and standard errors) for individuals operated on for cataract by presenting vision status

Vision status
Demographic variablesNormal (n=110)Vision impairment (n=114)Unilateral blindness (n=62)Mod/severe bilateral blindness (n=13)All (n=299)Spearman correlation coefficient (95% CI)
% Public housing50.051.851.653.851.2
% No education65.564.064.561.564.5
% Male26.435.137.115.431.4
Mean age (years)74.075.476.577.975.2
VF scales
    Visual perception91.0 (1.2)81.6 (1.1)70.3 (4.0)46.9 (7.9)81.2 (1.0)0.447 (0.351 to 0.533)
    Peripheral vision89.8 (1.5)84.8 (1.6)69.6 (5.5)55.8 (12.9)82.2 (1.2)0.292 (0.185 to 0.392)
    Sensory adaptation78.4 (1.4)69.5 (1.8)61.9 (2.9)39.5 (6.5)69.9 (1.4)0.380 (0.279 to 0.473)
    Depth perception93.0 (1.9)89.9 (1.5)80.6 (3.0)54.8 (8.9)87.6 (1.1)0.290 (0.183 to 0.391)
    Total VF88.0 (1.2)81.5 (1.1)71.2 (2.9)49.2 (7.9)80.4 (0.8)0.420 (0.322 to 0.509)
QOL scales
    Self care97.9 (0.7)98.9 (0.4)94.2 (1.8)96.2 (1.3)97.4 (0.4)0.171 (0.059 to 0.279)
    Mobility94.9 (1.2)92.3 (1.4)84.6 (3.0)68.1 (11.2)90.6 (0.9)0.249 (0.140 to 0.352)
    Social91.3 (1.6)89.2 (2.2)81.9 (3.6)62.6 (10.2)87.3 (1.6)0.208 (0.097 to 0.314)
    Mental89.9 (1.5)80.3 (1.9)68.2 (5.0)65.1 (8.6)80.6 (1.9)0.293 (0.186 to 0.393)
    Total QOL93.5 (0.9)90.6 (1.3)82.2 (2.7)73.0 (4.3)89.2 (0.9)0.313 (0.207 to 0.412)