Present trends in orthoptics and pleoptics in Giessen.
D000550:Amblyopia / Q000628:therapy*; D005860:Germany, West; D006782:Hospitals, Special; D006801:Humans; D008722:Methods; D009759:Nystagmus, Pathologic / Q000628:therapy*; D009988:Orthoptics; D013285:Strabismus / Q000628:therapy*