Bilateral vision status of individual subjects within the group using presenting visual acuity (p<0.001)
| Bilateral vision status (% of patients) | Bilateral cataract surgery | Unilateral operated eye | Bilateral significant cataract | Bilateral minimal cataract | |
| With minimal cataract in fellow eye | With significant cataract in fellow eye | ||||
| No or mild visual impairment in both eyes, N=2267 (70.3%) | 98 (64.9) | 18 (41.9) | 18 (20.7) | 191 (37.1) | 1783 (83.9) |
| No or mild visual impairment in one eye and moderate visual impairment in the other eye, N=428 (13.3%) | 34 (22.5) | 14 (32.6) | 29 (33.3) | 107 (20.8) | 174 (8.2) |
| No or mild visual impairment in one eye and severe visual impairment in the other eye, N=78 (2.4%) | 2 (1.3) | 7 (16.2) | 15 (17.2) | 18 (3.5) | 21 (1.0) |
| Moderate visual impairment in both eyes, N=310 (9.6%) | 10 (6.6) | 1 (2.3) | 8 (9.2) | 124 (24.1) | 124 (5.8) |
| Moderate visual impairment in one eye and severe visual impairment in the other eye, N=96 (3.0%) | 6 (4.0) | 1 (2.3) | 13 (15.0) | 47 (9.1) | 19 (0.9) |
| Severe visual impairment in both eyes, N=46 (1.4%) | 1 (0.7) | 2 (4.7) | 4 (4.6) | 28 (5.4) | 5 (0.2) |
| Total, N=3225 | 151 (4.7) | 43 (1.3) | 87 (2.7) | 515 (16.0) | 2126 (65.9) |