Amblyopia--Duke-Elder was right.
Gregson
R
R
D000367:Age Factors; D000550:Amblyopia / Q000209:etiology / Q000503:physiopathology / Q000628:therapy*; D000818:Animals; D002415:Cats; D002648:Child; D002675:Child, Preschool; D000882:Haplorhini; D006801:Humans