Table 2.
Univariate Association of Selected Variables with Late IOL Dislocation after Cataract Surgery.
| Variable | Cases [n (%)] |
Control [n (%)] |
P Value |
|---|---|---|---|
| Pre-operative | |||
| Pseudoexfoliation | |||
| Yes | 3 (19) | 0 (0) | |
| No | 13 (81) | 47 (100) | 0.01a |
| Glaucoma – open angle | |||
| Yes | 3 (19) | 2 (4) | |
| No | 13 (81) | 45 (96) | 0.09b |
| Previous Anterior Vitrectomy | |||
| Yes | 0 (0) | 2 (4) | |
| No | 16 (100) | 45 (96) | 1.0a |
| Age-related Macular Degeneration | |||
| Yes | 3 (19) | 8 (17) | |
| No | 13 (81) | 39 (83) | 0.84b |
| Uveitis | |||
| Yes | 1 (6) | 0 (0) | |
| No | 15 (94) | 47 (100) | 0.25a |
| Previous Trauma | |||
| Yes | 1 (6) | 1 (2) | |
| No | 15 (94) | 46 (98) | 0.44b |
| Intra-operative | |||
| Zonular dehiscence or laxity | |||
| Yes | 3 (19) | 0 (0) | |
| No | 13 (81) | 47 (100) | 0.01a |
| Surgery Technique | |||
| Phacoemulsification | 10 (63) | 26 (55) | |
| ECCE | 6 (37) | 21 (45) | 0.24b |
| IOL Optic Material | |||
| Acrylic | 3 (19) | 16 (34) | |
| Silicone | 3 (19) | 5 (11) | |
| Polymethylmethacrylate | 10 (62) | 26 (55) | 0.45b |
| Incision | |||
| Temporal clear cornea | 4 (25) | 19 (40) | |
| Superior scleral tunnel | 12 (75) | 28 (60) | 0.12b |
| Anterior capsulotomy | |||
| CCC | 11 (69) | 26 (55) | |
| Can opener | 5 (31) | 21 (45) | 0.12b |
| Capsule rupture | |||
| Yes | 0 (0) | 1 (2) | |
| No | 16 (100) | 46 (98) | 1.0a |
IOL = intraocular lens
a
Fisher exact test
b
Conditional logistic regression analysis