little girl in santa hat wearing occluder and eyeglasses, treatment of amblyopia and poor eyesight

amblyopia anisometropia astigmatism bad bandage child childhood christmas correction crosseyed doctor eye eyeglasses eyes eyesight girl glasses glassis healing health hyperopia little low myopia occluder occlusion occlusive patch plaster poor refractive spectacles squint strabismus strobismus therapy thumbs treatment vision wearing