CHAPTER 1
CATARACT SURGERY REGISTRY 2009
Contributing Editors
Dr Goh Pik Pin Dr Mohamad Aziz Salowi
Dr Ang Ee Ling
2
THE
3
rd
REPORT OF THE NATIONAL EYE DATABASE 2009
CHAPTER 1: CATARACT SURGERY REGISTRY
1.1 STOCK AND FLOW
The number of CSR source data provider SDP continued to increase over the years; from 25 SDPs in 2002 to 36 SDPs in 2009. The number of cataract surgeries being registered to CSR also increased from 12798 in 2002 to 24438
in 2009.
From 2002-2004, CSR was a paper-based registry. During this period, there was a constant decrease in the percentage of eyes with visual outcome recorded in CSR. When the web-based registry was introduced in 2007, there was a
moderate increase in the percentage for 2007 and 2008 from 85.7 to 88.7 respectively followed by a decrease again in 2009 84.3.
Table 1.1a: Stock and Flow Year
2002 2003
2004 2007
2008 2009
Number of SDP 25
32 33
32 36
36 Total number of cataract
surgery registered to CSR 12798
16815 18392
18426 21496
24438 n
n n
N n
n Cataract surgery with
visual outcome records 12512 97.7 14683 87.3
6228 33.9 15786 85.7 19063 88.7 20590 84.3
2002, 2003 and 2004 included private centre and University Hospital
Figure 1.1a: Stock and Flow
Figure 1.1b: Number of cataract extraction in the Malaysian Ministry of Health from 2002-2004 and 2007-2009. Bars = number of cataract extractions in the year; middle + lower bar = number of cataract extractions reported to CSR:
lower bar only = number of cataract extractions performed as daycare. Data were not available from 2005 to 2006
3
THE
3
rd
REPORT OF THE NATIONAL EYE DATABASE 2009 CATARACT SURGERY REGISTRY 2009
The ascertainment was maintained at more than 80 for the year 2002-2004 and 2007-2009. The reduced ascertainment which was observed in 2007 was possibly to the change from a paper-based to a web-based registry. The percentage
increased from 2007 onwards. In the year 2009, Hospital AG only reported 42.6 of cataract surgery performed to CSR. Out this proportion, only 71.3 had outcome form submitted. Other hospital with poor percentage of outcome
form submitted were Hospital G 35.6, Hospital L 61.3 and Hospital Z 76.3.
Table 1.1b: Ascertainment for MOH Hospitals, CSR 2002-2009 Year
2002 2003
2004 2007
2008 2009
Total number of cataract surgery performed at MOH Hospitals Source:
MOH census returns 14316
16498 18884
22051 25393
26274 Total number of cataract surgery
performed at MOH hospitals and registered to CSR
12552 16039
17536 18426
21496 24438
Ascertainment 87.6
97.2 92.9
83.6 84.6
93.0
3
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REPOR T
OF THE NA
TIONAL EYE DA
T ABASE 2009
CA T
ARACT SURGER
Y REGISTR
Y 2009
Table 1.1c: Ascertainment for CSR by SDP in 2009
Ascertainment Total no. of cataract
surgery based on census
a Total no. of cataract surgery
registered to CSR based on operative record
b Total no. of
outcome form submitted
c Total no. of
outcome form with unaided vision
d Total no. of
outcome form with refracted vision
e Ascertainment
for CSR b a100
Ascertainment for Outcome
form submitted cb100
Ascertainment for Outcome with
unaided vision dc100
Ascertainment for Outcome with
refracted vision ec100
All Centres 26474
24438 21851
20590 18886
92.3 89.4
94.2 86.4
A 1117
1110 1110
985 856
99.4 100
88.7 77.1
B 434
433 433
429 390
99.8 100
99.1 90.1
C 616
602 602
504 505
97.7 100
83.7 83.9
D 212
124 123
107 81
58.5 99.2
87.0 65.9
E 835
743 725
686 636
89.0 97.6
94.6 87.7
F 175
158 151
148 111
90.3 95.6
98.0 73.5
G 2165
2137 760
658 652
98.7 35.6
86.6 85.8
H 359
399 392
385 380
111.1 98.2
98.2 96.9
I 31
31 31
26 24
100 100
83.9 77.4
J 961
911 819
770 655
94.8 89.9
94.0 80.0
K 190
175 174
150 148
92.1 99.4
86.2 85.1
L 1693
1405 861
854 823
83.0 61.3
99.2 95.6
M 301
290 281
272 263
96.3 96.9
96.8 93.6
N 700
743 743
729 667
106.1 100
98.1 89.8
O 1308
1387 1387
1288 1131
106 100
92.9 81.5
P 516
404 404
402 402
78.3 100
99.5 99.5
Q 629
542 542
519 491
86.2 100
95.8 90.6
R 1528
1374 1369
1262 1182
89.9 99.6
92.2 86.3
S 251
251 250
250 235
100 99.6
100 94.0
T 555
433 433
383 353
78.0 100
88.5 81.5
U 1452
1418 1418
1404 1215
97.7 100
99.0 85.7
V 564
598 598
572 510
106 100
95.7 85.3
W 424
387 386
386 311
91.3 99.7
100 80.6
X 336
327 327
323 297
97.3 100
98.8 90.8
Y 185
185 185
179 179
100 100
96.8 96.8
Z 1360
1318 1006
927 896
96.9 76.3
92.1 89.1
