Table 1. Characteristics of study participants and surgery.
|
Foldable lens group, n=589 |
Rigid lens group, n=611 |
|||
|---|---|---|---|---|
| n | % | n | % | |
| District | ||||
| Siraha | 271 | 46.0 | 259 | 42.4 |
| Saptari | 267 | 45.3 | 306 | 50.1 |
| Udayapur | 51 | 8.7 | 46 | 7.5 |
| Gender | ||||
| Men | 247 | 41.9 | 244 | 39.9 |
| Women | 342 | 58.1 | 367 | 60.1 |
| Mean age (SD) | 57.4 (8.7) | 56.9 (8.8) | ||
| Pre-operative uncorrected visual acuity in the study eye | ||||
| VI | 95 | 16.1 | 100 | 16.4 |
| SVI | 225 | 38.2 | 245 | 40.1 |
| Blind | 269 | 45.7 | 266 | 43.5 |
| Surgeon | ||||
| 1 | 289 | 49.1 | 312 | 51.1 |
| 2 | 300 | 50.9 | 299 | 48.9 |
| Mean lens power used (SD) | 21.8 (1.4) | 21.8 (1.4) | ||
| Capsule stained with Trypan Blue | 90 | 15.3 | 70 | 11.5 |
| Existing central PCO | 64 | 10.9 | 54 | 8.8 |
| Mean total surgical time in minutes (SD)a | 6.74 (1.4) | 6.52 (1.2) | ||
Abbreviations: Blind, <3/60; PCO, posterior capsule opacification; SD, standard deviation; SVI, severely visually impaired <6/60-3/60; VI, visually impaired <6/36-6/60.
a
Timing started with first side-port incision and finished after intra-cameral Cefuroxime injection.