title: Applied optical principles.
mesh_terms: D000065:Accommodation, Ocular; D000839:Aniseikonia / Q000534:rehabilitation; D001251:Astigmatism / Q000534:rehabilitation; D005124:Eye Abnormalities; D005139:Eyeglasses; D006801:Humans; D007909:Lenses; D008722:Methods; D055095:Optics and Photonics / Q000295:instrumentation; D011305:Presbyopia / Q000534:rehabilitation; D012029:Refraction, Ocular / Q000592:standards; D012030:Refractive Errors / Q000534:rehabilitation*