PATIENTS’ CHARACTERISTICS Table 1: Age distributions

21 1. PATIENTS’ CHARACTERISTICS Table 1.1: Age distributions Age, years N=12798 Mean 64 Median 66 Minimum .1 Maximum 97 Distributions Age group 1 year .2 1-14 years 1 15-24 years 1 25-34 years 1 35-44 years 3 45-54 years 12 55-64 years 27 65-74 years 38 75-84 years 16 =85 years 2 Figure 1.1: Age Distributions Age group, years 10 20 30 40 percent 1 1-14 15-24 25-34 35-44 45-54 55-64 65-74 75-84 =85 22 Table 1.2: Gender distributions Gender N=12798 Male 49 Female 51 Table 1.3: Number of surgery done by month Month No. N 12798 100 January 1064 8 February 838 7 March 1166 9 April 986 8 May 1018 8 June 1127 9 July 1207 9 August 1210 9 September 1184 9 October 1346 11 November 1003 8 December 649 5 Figure 1.3: Number of surgery N o . o f su rg e ri e s Month 500 1000 1500 number January February March April May June July August September October November December 23 Table 1.4: Number of surgery done by centre Centre No. All sites 12798 100 A 154 1 B 956 7 C 129 1 D 294 2 E 1079 8 F 422 3 G 737 6 H 1017 8 I 519 4 J 1141 9 K 480 4 L 830 6 M 260 2 N 1009 8 O 414 3 P 429 3 Q 188 1 R 392 3 S 421 3 T 801 6 U 268 2 V 285 2 W 213 2 X 127 1 Y 233 2 24 Figure 1.4: Number of surgery done by centre N o . o f su rg e ri e s Centre 500 1000 1500 number A B C D E F G H I J K L M N O P Q R S T U V W X Y 25 Table 1.5: Distribution of care setting by centre Centre Care setting N Day care In-patient All sites 12798 38 62 A 154 0 100 B 956 24 76 C 129 0 100 D 294 3 97 E 1079 89 11 F 422 53 47 G 737 81 19 H 1017 88 12 I 519 2 98 J 1141 67 33 K 480 11 89 L 830 42 58 M 260 0 100 N 1009 10 90 O 414 12 88 P 429 8 92 Q 188 0 100 R 392 53 47 S 421 42 58 T 801 3 97 U 268 1 99 V 285 5 95 W 213 98 2 X 127 16 84 Y 233 0 100 26 Figure 1.5: Distribution of day care and in patient by centre Average day care all patients=38 Centre 38 50 100 Day care In-patient C Y M A Q U I D T V P N K X B S L F R J G H E W Table 1.6: Number of patients with first eye and second eye surgery Type of surgery No. N 12798 100 First eye 8958 70 Second eye 3840 30 27 Table 1.7: Number of patients with ocular co-morbidity Patients with ocular co-morbidity No. N 12798 100 Patients with any ocular co-morbidity 3691 29 Patients with specific ocular co-morbidity Anterior segment 1.Pterygium involving the cornea 342 3 2.Corneal opacity 184 1 3.Glaucoma 795 6 4.Chronic uveitis 54 5.Pseudoexfoliation 184 1 Len related complication 1.Phacomorphic 106 1 2.Phacolytic 61 3.SubluxatedDisclosed 87 1 Posterior segment 1.Diabetic Retinopathy: Non Proliferative 642 5 2.Diabetic Retinopathy: Proliferative 218 2 3.Diabetic Retinopathy: CSME 96 1 4.Diabetic Retinopathy: Vitreous haemorrhage 66 1 5.ARMD 145 1 6.Other macular disease includes hole or scar 77 1 7.Optic nerve disease, any type 43 8.Retinal detachment 70 1 9.Cannot be assessed 884 7 Miscellaneous 1.Amblyopia 64 1 2.Significant previous eye trauma 52 3.Pre-existing non glaucoma field defect 2 Other 380 3 28 Table 1.8: Number of patients with systemic co-morbidity Patients with systemic co-morbidity No. N 12798 100 Patients with any systemic co-morbidity 7264 57 Patients with specific systemic co-morbidity 1.Hypertension 4529 35 2.Diabetes Mellitus 3694 29 3.Ischaemic Heart Disease 1148 9 4.Renal Failure 211 2 5.Cerebrovascular accident 106 1 6.COADAsthma 669 5 7.Hansens Disease 11 8.Allergies 55 Other 869 7 29 Table 1.9: Pre-operative visual acuity measurement Pre-operative VA Unaided Refracted N=12691 100 N=700 100 No. No. 65 2 1 66 20 11 2 69 71 1 52 7 612 188 1 91 13 618 435 3 104 15 624 837 7 89 13 636 1058 8 95 14 660 1410 11 56 8 560 208 2 5 1 460 181 1 8 1 360 336 3 17 2 260 463 4 23 3 160 853 7 22 3 CF 2701 21 54 8 HM 2922 23 52 7 PL 975 8 20 3 NPL 31 Figure 1.9: Pre-operative visual acuity measurement Vis ual acuity 10 20 30 Unaided Refracted 65 66 69 612 618 624 636 660 560 460 360 260 160 CF HM PL NPL 30 Table 1.10: Causes of cataract Causes of Cataract No. N 12793 100 Primary cataract Senileage related 11960 93 Congenital 130 1 Development 155 1 Other 49 Secondary cataract Trauma 325 3 Drug induced 53 Surgery induced 23 Other 98 1 CATARACT SURGERY PRACTICE Distribution of Types of Cataract Surgery by Centre Distribution of Combined Surgery by Centre Proportion of Nature of Cataract Surgery Types of Anaesthesia Types of Local Anaesthesia Distribution of Single and Multiple Local Anaesthesia Types of Sedation given to Patients Having Local Anaesthesia Distribution of IOL Placement Distribution of Cataract Surgery Without IOL Distribution of IOL – Materials and Types 31 2. CATARACT SURGICAL PRACTICES Table 2.1: Distribution of types of cataract surgery by centre