Table 3:

Responses to each item of the OSDI for each contact lens modality summarized.

	Soft n=10	Hybrid n=22	Piggyback n=11	Corneal Gas Permeable n=75	Scleral n=73	All Groups n=191
	Ocular symptoms
Light Sensitivity Item 1	1.7 ± 1.6 R: 0-4	2.2 ± 1.4 R: 0-4	1.8 ± 1.4 R 0-4	2.2 ± 1.5 R: 0-4	1.7 ± 1.3 R: 0-4	2.0 ± 1.4 P=.3
Gritty feeling* Item 2	1.5 ± 1.3 R: 0-3	1.7 ± 1.2 R: 0-4	1.2 ± 0.7 R: 0-3	1.5 ± 1.2 R: 0-4	1.0 ± 1.1 R: 0-4	1.3 ± 1.2 P=.05
Sore Eyes Item 3	1.3 ± 1.2 R:0-3	1.5 ± 1.1 R: 0-4	1.5 ± 1.2 R: 0-4	1.4 ± 1.3 R: 0-4	1.1 ± 1.0 R: 0-4	1.3 ± 1.2 P=.4
Blurred Vision Item 4	1.8 ± 1.2 R: 0-4	1.7 ± 1.2 R: 0-4	1.3 ± 1.0 R: 0-3	1.5 ± 1.3 R: 0-4	1.4 ± 1.3 R: 0-4	1.5 ± 1.2 P=.7
Poor Vision Item 5	1.9 ± 1.4 R: 0-4	1.6 ± 1.4 R: 0-4	1.2 ± 1.3 R: 0-4	1.7 ± 1.3 R: 0-4	1.5 ± 1.3 R: 0-4	1.6 ± 1.3 P=.7
	Difficulty performing tasks
Reading Item 6	1.2 ± 1.2 R: 0-4	1.8 ± 1.4 R: 0-4	1.5 ± 1.3 R: 0-4	1.6 ± 1.2 R: 0-4	1.4 ± 1.2 R: 0-4	1.5 ± 1.2 P=.7
Driving at Night Item 7	1.7 ± 1.5 R: 0-4	1.7 ± 1.3 R 0-4	2.1 ± 1.2 R: 0-4	2.4 ± 1.5 R: 0-4	2.2 ± 1.5 R: 0-4	2.2 ± 1.5 P=.4
Computer Work Item 8	1.2 ± 1.4 R: 0-4	1.4 ± 1.3 R: 0-4	1.1 ± 1.1 R: 0-3	1.4 ± 1.2 R: 0-4	1.3 ± 1.1 R: 0-4	1.3 ± 1.2 P=.9
Watching TV Item 9	1.7 ± 1.4 R: 0-4	1.4 ± 1.0 R: 0-4	1.1 ± 0.8 R: 0-2	1.3 ± 1.2 R: 0-4	1.1 ± 1.1 R: 0-4	1.3 ± 1.1 P=.6
	Conditions that may increase discomfort
Wind‡ Item 10	2.1 ± 1.2 R: 0-4	2.5 ± 1.4† R: 0-4	1.5 ± 1.2 R: 0-4	2.5 ± 1.4₤ R: 0-4	1.4 ± 1.4 R: 0-4	2.0 ± 1.5 P=.0001
Low Humidity¥ Item 11	2.3 ± 1.3 R: 0-4	2.7 ± 1.4₸R: 0-4	2.0 ± 2.0 R: 0-4	2.2 ± 1.5₣ R: 0-4	1.5 ± 1.4 R: 0-4	2.0 ± 1.5 P=.01
Air Conditioning Item 12	2.3 ± 1.6 R: 0-4	1.7 ± 1.4 R:0-4	1.6 ± 1.5 R: 0-4	1.6 ± 1.4 R: 0-4	1.2 ± 1.3 R: 0-4	1.5 ± 1.4 P=.3