Table 3.
Refractive Changes with Different Lens Types
| Type of Lens | Before Capsulotomy | After Capsulotomy | Difference | p-value |
|---|---|---|---|---|
| Mean ± SD (Range) | Mean ± SD (Range) | Mean ± SD (Range) | ||
| Single piece, n=330 | ||||
| Sphere, D | 0.025±0.968 (−4.25 to +3.50) | 0.036±0.854 (−3.00 to +2.75) | 0.011±0.528 (−1.50 to +4.25) | 0.404 |
| Cylinder, D | −0.786±0.671 (−5.00 to 0.00) | −0.774±0.689 (−5.00 to 0.00) | 0.013±0.449 (−2.25 to +1.75) | 0.339 |
| SE, D | −0.368±0.925 (−4.75 to +2.38) | −0.352±0.825 (−3.75 to +2.25) | 0.017±0.510 (−1.63 to +4.25) | 0.543 |
| Axis, degrees | 90.97±52.10 (1.00 to 180.00) | 92.56±53.18 (1.00 to 180.00) | 1.59±51.00‡ (−178.00 to +179.00) | 0.337 |
| CDVA, logMAR | 0.168±0.202 (0.00 to +1.00) | 0.045±0.1094 (−0.60 to +0.60) | −0.123±0.193 (−1.00 to +0.20) | <0.0001* |
| Three piece, n=33 | ||||
| Sphere, D | −0.189±1.366 (−2.75 to +5.50) | −0.174±1.282 (−2.75 to +5.25) | 0.015±0.414 (−1.00 to +1.00) | 0.859 |
| Cylinder, D | −0.750±0.590 (−2.25 to 0.00) | −0.659±0.655 (−2.25 to 0.00) | 0.091±0.318 (−0.50 to +0.75) | 0.106 |
| SE, D | −0.564±1.363 (−3.38 to +5.13) | −0.504±1.297 (−3.13 to +4.88) | 0.061±0.419 (−0.75 to +1.00) | 0.400 |
| Axis, degrees | 81.85±59.84 (3.00 to 180.00) | 94.39±63.98 (2.00 to 180.00) | 12.55±69.13‡ (−178.00 to +170.00) | 0.324 |
| CDVA, logMAR | 0.112±0.181 (−0.13 to +0.80) | 0.049±0.154 (−0.13 to +0.80) | −0.062±0.141 (−0.48 to +0.13) | 0.026* |
| LAL, n=16 | ||||
| Sphere, D | −0.672±1.052 (−2.75 to +0.75) | −0.563±0.951 (−2.75 to +0.75) | 0.109±0.408 (−0.50 to +1.00) | 0.301 |
| Cylinder, D | −0.422±0.405 (−1.75 to 0.00) | −0.375±0.500 (−1.75 to 0.00) | 0.047±0.306 (−0.50 to +0.50) | 0.558 |
| SE, D | −0.883±1.160 (−3.38 to +0.50) | −0.750±1.067 (−3.13 to +0.75) | 0.133±0.448 (−0.75 to +1.00) | 0.254 |
| Axis, degrees | 76.50±66.66 (10.00 to 180.00) | 113.60±61.28 (35.00 to 180.00) | 37.13±80.01‡ (−116.00 to +170.00) | 0.092 |
| CDVA, logMAR | 0.084±0.137 (−0.13 to +0.48) | 0.0572±0.072 (0.00 to +0.18) | −0.027±0.131 (−0.48 to +0.13) | 0.875 |
Notes: *Statistically significant with a p-value <0.05. ‡Positive differences refer to counterclockwise change, negative differences refer to clockwise change.
Abbreviations: CDVA, corrected distance visual acuity; D, diopter; LAL, light adjustable lens; logMAR, logarithm of the minimum angle of resolution; SD, standard deviation; SE, spherical equivalent.