Table 2. Demographic and phenotypic characteristics of studied cohorts.

Variable	REHS	TEST/BATS
Number of subjects	1013	1788
Number of families	1013	857
Mean age in years (Range)	20	22.2 (5 to 90)
Gender (% female)	493 (48.7)	1014 (56.7)
Mean corneal astigmatism (SD; range)	0.77 (0.46; 0.08–5.16)	0.76 (0.57; 0–9)