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American Journal of Clinical Nutrition, Vol 20, 1275-1279, Copyright © 1967 by The American Society for Clinical Nutrition, Inc.

Vitamin A Blood Serum Levels and Electroretinogram in 5- to 14-Year Age Group in Indonesia and Thailand

A Preliminary Report

ALLEGRA A. GENEST PH.D.1, DJOKO SARWONO M.D.2, and PAUL GYÖRGY M.D.3

1 Cordis Corporation, Miami, Florida, 33137
2 Department of Ophthalmology, University of Indonesia, Djakarta, Indonesia
3 Philadelphia General Hospital, Philadelphia, Pennsylvania

Using the electroretinogram (ERG) as a response criterion, a group of 33 children aged 5-9 and 21 aged 10-14 were studied to relate the ERG parameters to the vitamin A blood serum levels. Qualitatively, the wave form appears to be independent of the blood serum level. The amplitudes of both the a- and b-waves show a significant positive correlation to the blood serum vitamin A values in the 5-9 age group. No such relationship is found in the older group, although there is no difference in mean vitamin A level. Those children with a past history of clinical manifestations of vitamin A deficiency tend to give lower responses than those without this past history, suggestive of a long-lasting effect of low-deficient vitamin A levels.






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Copyright © 1967 by The American Society for Nutrition