Figure legends
Figure 1 – Target and study set up, demonstrating surgeon’s position
and eye-microscope measurement.
Table 1 – Levels of PPE tested (including modifications for
prescription spectacle wearers)
Figure 2 – PPE conditions tested in surgeons with and without
prescription glasses. Pictures 1-5 show surgeon without prescription
glasses. Pictures 6-9 show surgeon with prescription glasses. Value in
parentheses corresponds to level of PPE defined in Table 1.
Figure 3 – scatter plots of results of eye-microscope measurements
versus calculations of diameter (3a) and area (3b) of target visible.
Table 2 – Effect of different PPE on eye-microscope distance and target
visibility.