Sensory anomalies.
D000221:Adaptation, Ocular; D000360:Afterimage; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005374:Filtration; D006801:Humans; D007909:Lenses; D008027:Light; D009988:Orthoptics; D013285:Strabismus / Q000150:complications* / Q000175:diagnosis; D014786:Vision Disorders / Q000175:diagnosis / Q000209:etiology*; D014787:Vision Tests