Molecular Vision: Yanovitch, Mol Vis 2009; 15:1028-1035. Table 1

Table 1. Summary of myopia definitions and the number of subjects in each group for the study population.

Phenotype	Definition based on myopia severity	Type of refractive error	Affected (A)	Unaffected (N)	Unknown (U)	Total
High-grade myopia	A<-5.0 D N≥-0.49 D U=others	SPH	303	137	209	649
High-grade myopia	A<-5.0 D N≥-0.49 D U=others	SE	285	155	209	649
Mild to moderate myopia	-4.99 D≤A≤-0.5 D N≥-0.49 D U=others	SPH	206	137	306	649
Mild to moderate myopia	-4.99 D≤A≤-0.5 D N≥-0.49 D U=others	SE	204	155	290	649
Any myopia	A<-0.5 D N>0 D -0.5 D<U<0 D	SPH	509	124	16	649
Any myopia	A<-0.5 D N>0 D -0.5 D<U<0 D	SE	489	131	29	649
Extreme myopia	A≤-10.0 D N≥-0.5 D -10.0 D<U<-0.5 D	SPH	128	137	384	649
Extreme myopia	A≤-10.0 D N≥-0.5 D -10.0 D<U<-0.5 D	SE	113	155	381	649