Table 1.
The distribution of the principal causes of VI between the 30–59 yrs. and ≥60 yrs. age groups in Jing-An District from 2010 to 2015
| 30–59 yrs. old | ≥60 yrs. old | ||||||
|---|---|---|---|---|---|---|---|
| Causes | 2010–2012 n (%) |
2013–2015 n (%) |
Total n (%) |
2010–2012 n(%) |
2013–2015 n (%) |
Total n (%) |
|
| Blindness | MMD | 9(34.6) | 7(25.9) | 16(30.2) | 14(19.2) | 18(22.8) | 32(21.1) |
| Glaucoma | 5(19.2) | 5(18.5) | 10(18.9) | 15(20.5) | 17(21.5) | 32(21.1) | |
| AMD | 0(0) | 0(0) | 0(0) | 20(27.4) | 17(21.5) | 37(24.3) | |
| DR | 3(11.5) | 7(25.9) | 10(18.9) | 3(4.1) | 5(6.3) | 8(5.3) | |
| ONA | 3(11.5) | 1(3.7) | 4(7.5) | 4(5.5) | 5(6.3) | 9(5.9) | |
| RP | 5(19.5) | 6(22.2) | 11(20.8) | 4(5.5) | 4(5.1) | 8(5.3) | |
| Others | 1(3.7) | 1(3.7) | 2(3.8) | 13(17.8) | 13(16.5) | 26(17.1) | |
| Total | 26 | 27 | 53 | 73 | 79 | 152 | |
| Low Vision | MMD | 55(78.6) | 57(70.4) | 112(74.2) | 53(42.7) | 95(57.9) | 148(51.4) |
| Glaucoma | 1(1.4) | 3(3.7) | 4(2.6) | 10(8.1) | 10(6.1) | 20(6.9) | |
| AMD | 3(4.3) | 3(3.7) | 6(3.9) | 35(28.2) | 31(18.9) | 66(22.9) | |
| DR | 1(1.4) | 13(16.0) | 14(9.3) | 8(6.5) | 10(6.1) | 18(6.3) | |
| Others | 10(14.2) | 5(6.2) | 15(9.9) | 18(14.5) | 18(11.0) | 36(12.5) | |
| Total | 70 | 81 | 151 | 124 | 164 | 288 | |
Abbreviations: MMD myopic macular degeneration, AMD age-related macular degeneration, DR diabetic retinopathy, ONA optic nerve atrophy, RP retinitis pigmentosa