Figure 4.

Linear regression analysis demonstrating relationship of vitreoretinal surgical experience to specific vitreoretinal surgical tasks performed in our module, as evaluated by the CEIVITS grading scale. A positive correlation was observed for VR surgical experience and the total CEIVITS score (■), sclerotomy wound construction and placement (▴), infusion line placement (▾), air-fluid exchange (◆) and wound closure (●). No clear correlation was identified for performance of core vitrectomy, focusing, adjusting and driving the microscope and membrane peeling tasks (data not shown).

Abbreviation: CEIVITS, Casey Eye Institute Vitrectomy Indices Tool for Skills Assessment.