Vision status | ||||||
---|---|---|---|---|---|---|
Demographic variables | Normal (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 housing | 50.0 | 51.8 | 51.6 | 53.8 | 51.2 | |
% No education | 65.5 | 64.0 | 64.5 | 61.5 | 64.5 | |
% Male | 26.4 | 35.1 | 37.1 | 15.4 | 31.4 | |
Mean age (years) | 74.0 | 75.4 | 76.5 | 77.9 | 75.2 | |
VF scales | ||||||
Visual perception | 91.0 (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 vision | 89.8 (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 adaptation | 78.4 (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 perception | 93.0 (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 VF | 88.0 (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 care | 97.9 (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) |
Mobility | 94.9 (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) |
Social | 91.3 (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) |
Mental | 89.9 (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 QOL | 93.5 (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) |