little girl wearing occluder and christmas raindeer horns, 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 horn hyperopia little low myopia occluder occlusion occlusive patch plaster poor raindeer refractive spectacles squint strabismus strobismus therapy thumbs treatment vision wearing