[Delineation of the concepts of practical blindness and asthenopia].
D000550:Amblyopia / Q000175:diagnosis*; D001248:Asthenopia; D001766:Blindness / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans
AMBLYOPIA/differential diagnosis; ASTHENOPIA; BLINDNESS/differential diagnosis
Zur Abgrenzung von praktischer Blindheit und Sehschwäche.