Table 1.

Subject Characteristics

Number of Participants	32
Men	24
Women	8
Age (years)	29.5 ± 2.5
Year in residency	2.9 ± 1.5
Height (inches)	70.1 ± 3.6
Weight (pounds)	170.8 ± 31.7
BMI	24.3 ± 3.3
Time spent operating per week (hours)	33.8 ± 17.0
Operating Position
Standing	32
Sitting	0
Corrective eyewear/magnification
None	15
Glasses	5
Contacts	10
Loupes	2
Dominant Hand
Right	32
Left	0
Time taken to complete survey	00:04:44 ± 00:02:40
[Data are reported as number or mean ± SD]