Rapid objective refraction using evoked brain potentials.
D001251:Astigmatism / Q000175:diagnosis*; D002540:Cerebral Cortex / Q000502:physiology*; D011307:Drug Prescriptions; D004569:Electroencephalography; D005071:Evoked Potentials; D005139:Eyeglasses; D005583:Fourier Analysis; D006801:Humans; D007909:Lenses; D010775:Photic Stimulation / Q000295:instrumentation; D012029:Refraction, Ocular / Q000295:instrumentation; D013997:Time Factors