Table 1.
Visual acuity and refraction before and after INTACS implantation.
| Parameter | Preoperative | Postoperative | P value | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 2 m | 1 yr | 3 yr | 5 yr | Pre to 2m | Pre to 1yr | Pre to 3 yr | Pre to five yr | ||
| UDVA (log MAR) |
0.857 ±0.456 |
0.757 ±0.391 |
0.662 ±0.404 |
0.636 ±0.387 |
0.741 ±0.372 |
0.224 | 0.000* | 0.000* | 0.074 |
| CDVA (log MAR) |
0.516 ±0.298 |
0.507 ±0.270 |
0.391 ±0.245 |
0.377 ±0.276 |
0.404 ±0.299 |
0.224 | 0.008* | 0.002* | 0.011* |
| Sphere | −5.521 ±4.791 |
−3.638 ±4.661 |
−3.707 ±4.401 |
−4.021 ±3.996 |
−4.984 ±4.008 |
0.000* | 0.005* | 0.042* | 1.000 |
| Spherical equivalent | −7.816 ±4.946 |
−5.664 ±4.670 |
−5.571 ±4.424 |
−5.952 ±3.973 |
−6.752 ±4.058 |
0.000* | 0.000* | 0.001* | 0.563 |
UDVA = Uncorrected distance visual acuity. CDVA = Corrected distance visual acuity. * indicates statistical significance.