bid per day
(N=94)
once a morning
(N=62)
once a night
(N=247)
none usage
(N=174)
Total
(N=577)
myopia_type
stable myopia 32 (34.0%) 22 (35.5%) 143 (57.9%) 98 (56.3%) 295 (51.1%)
progressive myopia 62 (66.0%) 40 (64.5%) 104 (42.1%) 76 (43.7%) 282 (48.9%)