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. 2018 May 11;12:885–893. doi: 10.2147/OPTH.S140411

Table 1.

Mean difficulty scores on 14 specific tasks and six global indices for phacoemulsification based on the International Council of Ophthalmology’s Ophthalmology Surgical Competency Assessment Rubric perceived by all respondents (N = 19), the subgroup which had no Eyesi simulation training (N = 6), and the subgroup which had Eyesi simulation training (N = 13)

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).