The cause of vision impairment following cataract surgery in the elderly in residential care
| Moderate vision impairment (presenting visual acuity worse than 6/18–6/60 in the better-seeing eye) (%) | Severe vision impairment (presenting visual acuity worse than 6/60–3/60 in the better-seeing eye) (%) | Blindness (presenting visual acuity worse than 3/60 to no light perception in the better-seeing eye) (%) | Total vision impairment (presenting visual acuity worse than 6/18 to no light perception in the better-seeing eye) (%) | |
|---|---|---|---|---|
| VI causes—eyes (n=1215) | ||||
| n=287 | n=46 | n=73 | n=406 | |
| Posterior capsule opacification (PCO) | 35.9 | 28.3 | 17.8 | 31.8 |
| Uncorrected refractive error (URE) | 32.1 | 4.3 | 5.5 | 24.1 |
| Other posterior segment disorders | 8.4 | 13.0 | 15.1 | 10.1 |
| Age-related macular degeneration | 4.9 | 13.0 | 20.5 | 8.6 |
| Glaucoma | 6.3 | 8.7 | 13.7 | 7.9 |
| Optic atrophy | 5.2 | 13.0 | 8.2 | 6.7 |
| Other causes | 3.5 | 6.5 | 5.5 | 4.2 |
| Corneal scar | 1.7 | 4.3 | 11.0 | 3.7 |
| Diabetic retinopathy | 1.0 | 4.3 | 1.4 | 1.5 |
| Chorioretinal scars | 1.0 | 4.3 | 1.4 | 1.5 |
| 100.0 | 100.0 | 100.0 | 100.0 | |
| Causes—persons (n=512) | ||||
| n=78 | n=11 | n=6 | n=95 | |
| URE | 38.5 | 18.2 | 0.0 | 33.7 |
| PCO | 37.2 | 18.2 | 16.7 | 33.7 |
| Glaucoma | 7.7 | 0.0 | 16.7 | 7.4 |
| Age-related macular degeneration | 3.8 | 18.2 | 16.7 | 6.3 |
| Optic atrophy | 5.1 | 9.1 | 16.7 | 6.3 |
| Other posterior segment disorders | 3.8 | 9.1 | 16.7 | 5.3 |
| Corneal scar | 1.3 | 9.1 | 16.7 | 3.2 |
| Other causes | 1.3 | 9.1 | 0.0 | 2.1 |
| Diabetic retinopathy | 1.3 | 0.0 | 0.0 | 1.1 |
| Chorioretinal scars | 0.0 | 9.1 | 0.0 | 1.1 |
| 100.0 | 100.0 | 100.0 | 100.0 |