Selasa, 25 Januari 2011

The Risk of Zinc and Vitamin A Deficiency toward Dark Adaptation Ability – A Study at Primary School Children

Hagnyonowati
Background. Dark Adaptation Ability is one of visual function which has an association with eyes ability to recover after receiving a light exposure in a certain time. Furthermore, Zinc supplementation gives a significant effect on Dark Adaptation Ability in children. Furthermore, a finding has been found to reveal that Zinc deficiency could contribute to night blindness, an early symptom of vitamin A deficiency.
Objectives. This study is to explain the risk of Zinc and Vitamin A deficiency toward Dark Adaptation Ability in primary school children in Deras village, Kedungjati, Grobogan district. 

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