Affordable ready-made spectacles for use in blindness prevention programmes: setting standards of quality.
Brian
Garry
G
du Toit
Renee
R
Wilson
David
D
Ramke
Jacqueline
J
D001766:Blindness / Q000517:prevention & control*; D003906:Developing Countries; D005139:Eyeglasses / Q000191:economics / Q000592:standards* / Q000600:supply & distribution; D006801:Humans; D011786:Quality Control; D012030:Refractive Errors / Q000628:therapy; D014786:Vision Disorders / Q000628:therapy