Table 2.
Postoperative visual outcomes and toric IOL alignment in cases undergoing toric IOL implantation with manual marking or image-guided surgery
| Outcome measures | Group I (manual marking) N=40 |
Group II (Callisto assisted) N=40 |
p-value |
|---|---|---|---|
| Refractive sphere | 0.39±0.44 | 0.15±0.79 | 0.105 |
| Refractive cylinder | −0.89±0.35 | −0.64±0.36 | 0.003 |
| Corneal cylinder | 2.1±0.9 | 2.3±1.2 | 0.474 |
| Defocus equivalent | 0.01±0.2 | 0.07±0.3 | 0.208 |
| UDVA (logMAR units) POD 1 | 0.055±0.09 | 0.03±0.07 | 0.184 |
| CDVA (logMAR units) POD 1 | 0.01±0.03 | 0.005±0.02 | 0.402 |
| UDVA (logMAR units) POD 30 | 0.025±0.06 | 0.017±0.05 | 0.541 |
| CDVA (logMAR units) POD 30 | 0.008±0.03 | 0.005±0.02 | 0.649 |
| IOP (mmHg) | 15.2±2.9 | 14.4±2.9 | 0.272 |
| Axis of IOL implantation | 82.6±72.3 | 104.6±69.0 | 0.169 |
| Deviation from target axis (POD 1) | 5.8±3.7 | 3.7±2.8 | 0.005 |
| Deviation from target axis (POD 30) | 5.5±3.3 | 3.6±2.6 | 0.005 |
Note: p-values less than 0.05 are shown in bold.
Abbreviations: D, Diopter; UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity; logMAR, logarithm of minimum angle of resolution; IOP, intraocular pressure; IOL, intraocular lens; POD, postoperative day.