Originally published October 28 2005
Prenatal exposure to alcohol affects infants' sharpness of vision
by Mike Adams, the Health Ranger, NaturalNews Editor
The Journal of Pediatrics has published a study that extends the symptoms of Fetal Alcohol Syndrome (FAS) to include reduced visual acuity in infants.
Sandra W. Jacobson, Ph.D. and colleagues from Wayne State University and University of Cape Town evaluated 131 infants of mixed ancestry in Cape Town, South Africa.
After interviewing each mother to ascertain her alcohol consumption during pregnancy, the authors tested the visual acuity of the infants at 6� months of age using the Teller Acuity Cards (TAC) Test, which is comprised of gray cards with a concentration of vertical black and white stripes on the left or the right side.
An examiner looked through a peephole in the center of the card to determine where the infant was looking.
Of the infants examined, 22 met the criteria for being diagnosed with FAS, and their visual acuity was significantly poorer than those without FAS.
27% of the infants with FAS scored below the fifth percentile, as opposed to the 9% of the infants without FAS.
However, half of the infants with low TAC scores who did not meet the criteria for full FAS were born to mothers who reported binge drinking (greater than 5 drinks per occasion) during pregnancy.
The authors also found that the infants born to mothers ages 30 and older who drank during pregnancy were at greater risk for poor visual acuity, although the older mothers did not drink larger quantities of alcohol.
The authors point out that in-depth, ophthalmologic evaluations of the study infants throughout childhood are necessary to determine the extent of visual abnormalities due to prenatal alcohol exposure.
The study is reported in "Effects of prenatal alcohol exposure on infant visual acuity" by R. Colin Carter, MD, Sandra W. Jacobson, PhD, Christopher D. Molteno, MD, Lisa M. Chiodo, PhD, Denis Viljoen, MD, Joseph L. Jacobson, PhD.
The article appears in The Journal of Pediatrics, Volume 147, Number 4 (October 2005), published by Elsevier.
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