83
Table 1.5.1.3b: Median Follow-up Period for Eyes with Refracted Vision in weeks by Types of Surgery, 2013
Types of surgery N
n Median
25
th
percentile 75
th
percentile All surgeries
29968 29800
7 6
9 Phaco
25778 25633
7 6
8 ECCE
3117 3113
8 6
11 Phaco ECCE
601 600
8 6
11 ICCE
121 121
8 6
11 Lens aspiration
265 264
7 6
9 n = No. of available information
1.5.2
Post-operative Visual Acuity
1.5.2.1 Post-operative Visual Acuity All Eyes Only approximately 40.0
– 50.0 of eyes had vision unaided VA 612 or better i.e. good VA outcome. This percentage increased double folds following refraction. This trend remained unchanged throughout the years.
Table 1.5.2.1: Post-operative Visual Acuity, All Eyes, CSR 2002-2013
Year 2002-2004
2007 2008
2009 Unaided
Refracted Unaided
Refracted Unaided
Refracted Unaided
Refracted VA
n n
n n
n n
n n
65 27
0.1 168
0.6 3
0.0 35
0.2 9
51 0.3
10 46
0.2 66
1564 4.5
8238 27.6
878 5.6
4409 30.5
1126 5.9
6072 35.2
1100 5.3
6555 34.7
69 5265
15.0 10800
36.2 2806
17.8 4961
34.3 3040
15.9 5714
33.1 3649
17.7 6550
34.7 612
6382 18.2
4982 16.7
2717 17.2
2100 14.6
3351 17.6
2577 14.9
3837 18.6
2762 14.6
65-612 13238
37.8 24188
81.1 6404
40.6 11505
79.6 7526
39.4 14414
83.5 8596
41.7 15913 84.3
618 6598
18.9 2119
7.1 2893
18.3 1055
7.3 3792
19.9 1012
5.9 4052
19.7 1050
5.6 624
5568 15.9
1155 3.9
2315 14.7
573 4
2978 15.6
607 3.5
2958 14.4
616 3.3
636 4148
11.9 807
2.7 1687
10.7 444
3.1 2018
10.6 421
2.4 2095
10.2 416
2.2 660
2454 7.0
483 1.6
1126 7.1
266 1.9
1300 6.8
261 1.5
1323 6.4
276 1.5
560 257
0.7 35
0.1 92
0.6 23
0.2 116
0.6 37
0.2 93
0.5 27
0.1 460
218 0.6
48 0.2
87 0.6
35 0.2
97 0.5
30 0.2
103 0.5
31 0.2
360 373
1.1 126
0.4 207
1.3 80
0.6 266
1.4 112
0.6 331
1.6 118
0.6
618-360 19616
56.1 4773
16.0 8407
53.3 2476
17.3 10567
55.4 2480
14.3 10955
53.2 2534
13.4
260 332
0.9 128
0.4 158
1.0 73
0.5 186
1 70
0.4 199
1 77
0.4 160
338 1.0
122 0.4
155 1.0
76 0.5
159 0.8
60 0.3
168 0.8
66 0.3
CF 708
2.0 255
0.9 300
1.9 121
0.8 295
1.5 85
0.5 315
1.5 127
0.7 HM
509 1.5
260 0.9
253 1.6
149 1
230 1.2
84 0.5
269 1.3
126 0.7
PL 156
0.4 66
0.2 75
0.5 46
0.3 53
0.3 22
0.1 58
0.3 31
0.2 NPL
95 0.3
45 0.2
34 0.2
32 0.2
30 0.1
12 0.1
260-NPL 2138
6.1 876
2.9 975
6.2 465
3.1 955
5 321
1.8 1039
5 439
2.3 Total
34992 29837
15786 14446
19048 17215
20590 100
18886 100
84
Year 2010
2011 2012
2013 Unaided
Refracted Unaided
Refracted Unaided
Refracted Unaided
Refracted VA
n n
n n
n n
n n
65 12
0.0 119
0.5 15
0.1 124
0.5 14
0.0 102
0.4 20
0.1 104
0.3 66
1568 6.4
8362 37.0
1776 6.5
9239 37.4
2011 7.0
9732 38.2
2664 8.1
11743 39.2
69 4523
18.4 7369
32.6 5040
18.5 8162
33.0 5498
19.2 8254
32.4 7101
21.5 9901
33.0 612
5054 20.6
3332 14.8
5499 20.2
3585 14.5
5925 20.7
3723 14.6
7122 21.5
4272 14.3
65-612 11157
45.5 19182
85.0 12330 45.3
21110 85.4
13448 47.0
21811 85.5
16907 51.1
26020 86.8
618 4727
19.3 1131
5.0 5209
19.1 1218
4.9 5285
18.5 1327
5.2 5923
17.9 1381
4.6 624
3232 13.2
666 2.9
3689 13.6
738 3.0
3728 13.0
746 2.9
4062 12.3
820 2.7
636 2211
9.0 497
2.2 2528
9.3 503
2.0 2713
9.5 531
2.1 2592
7.8 552
1.8 660
1456 5.9
350 1.6
1558 5.7
388 1.6
1468 5.1
361 1.4
1606 4.9
390 1.3
560 119
0.5 37
0.2 111
0.4 28
0.1 130
0.5 38
0.1 135
0.4 33
0.1 460
112 0.5
31 0.1
109 0.4
32 0.1
119 0.4
26 0.1
103 0.3
43 0.1
360 378
1.5 151
0.7 435
1.6 155
0.6 469
1.6 168
0.7 479
1.4 167
0.6
618-360 12235
49.9 2863
12.7 13639 50.1
3062 12.4
13912 48.7
3197 12.5
14900 45.1
3386 11.3
260 227
0.9 97
0.4 249
0.9 113
0.5 257
0.9 94
0.4 291
0.9 124
0.4 160
196 0.8
93 0.4
213 0.8
99 0.4
211 0.7
79 0.3
239 0.7
111 0.4
CF 345
1.4 147
0.7 400
1.5 135
0.5 371
1.3 125
0.5 352
1.1 138
0.5 HM
280 1.1
155 0.7
294 1.1
150 0.6
291 1.0
154 0.6
279 0.8
138 0.5
PL 47
0.2 24
0.1 52
0.2 20
0.1 61
0.2 28
0.1 64
0.2 34
0.1 NPL
35 0.1
18 0.1
42 0.2
18 0.1
38 0.1
17 0.1
35 0.1
17 0.1
260-NPL 1130
4.6 534
