Research Article

Usefulness of Surgical Media Center as a Cataract Surgery Educational Tool

Table 1

Time to maximum vacuum (time), maximum vacuum level (vacuum), and speed of increase in vacuum level (speed).
(a)

Time (sec)Vacuum (mmHg)Speed (mmHg/sec)

Experienced1.49 ± 0.45314 ± 70225 ± 76
 Operator 11.54 ± 0.38367 ± 41257 ± 90
 Operator 21.32 ± 0.47242 ± 50199 ± 62
 Operator 31.62 ± 0.45334 ± 47222 ± 63
Trainee2.80 ± 0.98300 ± 65115 ± 35
 Operator 12.64 ± 0.68321 ± 52126 ± 28
 Operator 23.42 ± 1.18311 ± 5799 ± 30
 Operator 32.15 ± 1.00268 ± 74120 ± 40

, Kruskal-Wallis test. for each operator. The same superscripted letters indicate that they are compared to each other.
(b)

Time (sec)Vacuum (mmHg)Speed (mmHg/sec)

Trainee Operator 1
 1–20 (operations)2.64 ± 0.68321 ± 52126 ± 28
 21–40 (operations)1.54 ± 0.39306 ± 29208 ± 44
 41–60 (operations)1.50 ± 0.26297 ± 32202 ± 36

, Kruskal-Wallis test. The same superscripted letters indicate that they are compared to each other.