Turn off the lights.
Gorman
C
C
D003624:Darkness; D005123:Eye / Q000254:growth & development; D006266:Health Education; D006801:Humans; D007223:Infant; D007224:Infant Care; D007231:Infant, Newborn; D009216:Myopia / Q000209:etiology* / Q000517:prevention & control; D018570:Risk Assessment; D012890:Sleep