Vitamin A deficiency with night blindness - CISMeF
Vitamin A deficiency with night blindnessICD-11 Subcategory
ICD-11 code : 5B55.0;
Preferred Label : Vitamin A deficiency with night blindness;
ICD-11 definition : Night blindness (poor adaptation to darkness) is generally the earliest manifestation
of vitamin A deficiency. In mild cases, night blindness is apparent only after photic
stress. Affected children no longer move around after dusk and prefer to sit in a
secure corner, often unable to find their food or toys. Night blindness of recent
onset in a preschool child is practically pathognomonic of vitamin A deficiency. All
patients respond rapidly to therapy with vitamin A, usually within 48 hours.;
Night blindness (poor adaptation to darkness) is generally the earliest manifestation
of vitamin A deficiency. In mild cases, night blindness is apparent only after photic
stress. Affected children no longer move around after dusk and prefer to sit in a
secure corner, often unable to find their food or toys. Night blindness of recent
onset in a preschool child is practically pathognomonic of vitamin A deficiency. All
patients respond rapidly to therapy with vitamin A, usually within 48 hours.