Table 2.
Preoperative patient characteristics in group 1
| Patient eye | DPL re | DPL le | GE re | GE le | CA re | RA le | MA re | MA le | CI re |
|---|---|---|---|---|---|---|---|---|---|
| Age | 26 | 26 | 43 | 43 | 44 | 33 | 49 | 49 | 43 |
| Gender | F | F | F | F | M | M | M | M | M |
| Preop refraction | −7 = −5 (20°) | −11.5 = −5 (160°) | −15 = −1 (20°) | −14.75 = −1.75 (20°) | −13 = −0.5 (10°) | −21 = −0.25 (160°) | −18.5 | −18.5 | −7.5 |
| Preop BSCVA | 0.6 | 0.6 | 0.8 | 0.8 | 0.6 | 0.6 | 0.5 | 0.5 | 1 |
| Preop pachymetry (μm) | 480 | 493 | 536 | 531 | 527 | 503 | 550 | 556 | 515 |
| Preop | 44.31 | 42.31 | 43.51 | 45 | 44.53 | 45.02 | 44.32 | 44.98 | 42.35 |
| Sim K (D) | 40.17 | 39.73 | 44.02 | 43.25 | 42.13 | 44.76 | 44 | 44.79 | 41.29 |
| Preop topography pattern | Normal | Normal | ABT | ABT | Normal | Normal | Normal | Normal | Normal |
| Laser correction (D) | −7.5 | −12 | −15 | −15 | −13 | −21 | −18 | −18 | −7.5 |
| Optic zone (mm) | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 | Multizone 3.5–6.5 |
| Ablation depth (μm) | 114 | 126 | 150 | 154 | 114 | 101 | 156 | 147 | 85 |
| Residual stromal bed (μm) | 240 | 240 | 266 | 257 | 293 | 282 | 274 | 289 | 300 |
| ERSS | HR | HR | HR | HR | HR | HR | HR | HR | LR |
Note: Preoperative parameters that may be associated with increased risk of ectasia following the Ectasia Risk Score System are in bold font.
Abbreviations: Preop, preoperative; BSCVA, best spectacle-corrected visual acuity; Sim K, simulated keratometry (D); ABT, abnormal topography pattern; ERSS, Ectasia Risk Score System value (HR, high risk; LR, low risk).