The eye and its disorders. 16. The estimation and correction of refractive errors.
D000065:Accommodation, Ocular; D001251:Astigmatism / Q000175:diagnosis; D003261:Contact Lenses; D003315:Cornea / Q000033:anatomy & histology; D005139:Eyeglasses; D006801:Humans; D006956:Hyperopia / Q000175:diagnosis; D009216:Myopia / Q000175:diagnosis; D012029:Refraction, Ocular / Q000379:methods; D012030:Refractive Errors / Q000534:rehabilitation*; D012160:Retina