Table 2.

Indications for SL Lens Wear^a

Indication for SL fit	All groups (N=684)	US (n=434)	Non-US (n=238)	Academic (n=157)	Community (n=513)	Established (n=433)	New (n=232)
Corneal irregularity
Median, %	84	85	80	80	85	80	85
Range, %	0–100	0–100)	0–100	10–100	0–100	0–100	0–100
P value		.002		<.001		.07
Ocular surface disease
Median, %	10	10	10	15	8	10	10
Range, %	0–93	0–100	0–90	0–90	0–100	0–93	0–90
P value		.60		<.001		.02
Uncomplicated refractive error
Median, %	2	1	3	0	2	2	1
Range, %	0–100	0–48	0–100	0–40	0–100	0–100	0–45
P value		<.001		.02		.08

Abbreviation: SL, scleral lens.

^aCorneal irregularity was the most common primary indication for SL wear overall and in every group of practitioners identified. Refractive error alone was a rare indication for SL wear overall and in every group of practitioners identified.