Table 1.
Task descriptions | Overall mean ± SD difficulty scores | Median | Mean ± SD difficulty scores (no Eyesi training) | Median | Mean ± SD difficulty scores (Eyesi trained) | Median | P-value (Eyesi vs no Eyesi) |
---|---|---|---|---|---|---|---|
Task-specific indices | |||||||
1 Draping: surgical field clear of lashes | 1.95±1.268 | 2.00 | 1.83±1.602 | 1.00 | 2±1.155 | 2.00 | 0.40 |
2 Incision and paracentesis: formation and technique | 2.5±1.295 | 2.50 | 2.83±0.753 | 3.00 | 2.33±1.497 | 2.00 | 0.27 |
3 Viscoelastic: appropriate use and safe insertion | 1.95±1.026 | 2.00 | 2.5±0.548 | 2.50 | 1.69±1.109 | 1.00 | 0.02 |
4 Capsulorrhexis: commencement of flap | 2.83±1.425 | 3.00 | 4±1.225 | 4.00 | 2.38±1.261 | 2.00 | 0.04 |
5 Capsulorrhexis: formation and circular completion | 3.61±0.916 | 4.00 | 4.4±0.548 | 4.00 | 3.31±0.855 | 3.00 | 0.02 |
6 Hydrodissection: visible fluid wave and free nuclear rotation | 3.22±1.263 | 3.00 | 3.8±1.095 | 3.00 | 3.0±1.291 | 3.00 | 0.29 |
7 Phacoemulsification probe and second instrument: insertion into eye | 2.11±1.41 | 2.00 | 2.8±1.643 | 2.00 | 1.85±1.281 | 1.00 | 0.17 |
8 Phacoemulsification probe and second instrument: effective use and stability within eye | 3.12±1.364 | 3.00 | 3.5±1.291 | 4.00 | 2.83±1.115 | 3.00 | 0.35 |
9 Nucleus: sculpting or primary chop | 3.12±1.364 | 3.00 | 4.5±1 | 5.00 | 2.69±1.182 | 3.00 | 0.02 |
10 Nucleus: rotation and manipulation | 3.41±1.278 | 4.00 | 4.75±0.5 | 5.00 | 3±1.155 | 3.00 | 0.01 |
11 Nucleus: cracking or chopping with safe phacoemulsification of segments | 4.06±0.827 | 4.00 | 4.75±0.5 | 5.00 | 3.85±0.801 | 4.00 | 0.03 |
12 Irrigation and aspiration technique with adequate removal of cortex | 2.76±1.251 | 2.00 | 3.75±0.957 | 3.50 | 2.46±1.198 | 2.00 | 0.05 |
13 Lens insertion, rotation, and final position of intraocular lens | 2.37±1.065 | 2.00 | 3.17±0.408 | 3.00 | 2±1.08 | 2.00 | 0.01 |
14 Wound closure (including suturing, hydration, and check security) | 2.05±0.97 | 2.00 | 2.33±0.816 | 2.50 | 1.92±1.038 | 2.00 | 0.15 |
Global indices | |||||||
1 Wound neutrality and minimizing eye rolling and corneal distortion | 2.05±0.97 | 3.00 | 2.83±0.753 | 3.00 | 2.83±1.193 | 3.00 | 0.96 |
2 Eye positioning centrally within microscope view | 2.16±1.119 | 2.00 | 1.83±0.753 | 2.00 | 2.31±1.251 | 2.00 | 0.49 |
3 Conjunctival and corneal tissue handling | 2.53±0.964 | 3.00 | 2.83±0.408 | 3.00 | 2.38±1.121 | 2.00 | 0.20 |
4 Capsule: protection of anterior and posterior capsules | 3±1 | 3.00 | 3.17±0.753 | 3.00 | 2.92±1.188 | 3.00 | 0.70 |
5 Iris protection | 2.89±1.049 | 3.00 | 3.17±0.753 | 3.00 | 2.77±1.166 | 3.00 | 0.41 |
6 Overall speed and fluidity of procedure | 3.26±1.24 | 3.00 | 4.33±0.816 | 4.50 | 2.77±1.092 | 3.00 | 0.01 |
Note: Statistically significant values are shown in bold (P<0.05).