Fathering Magazine for fathers, dads, family


NOTICE: Most recent site content is not available to users of ad blockers.

Home
What's New
Beginners' Tour
True Stories
True Soap
Health

Topics
New Fathers
The Joy of Fathering
Importance of Fathers
Fathers & Sons
Fathers & Daughters
Single Fathers
Second Wives -
   Second Families
Gender & Fathers
Custody & Divorce
Father Custody
Child Support
Exposé
Cyber Bullying
Sex Bullies
Family Vacation
Father's Day
Mother's Day

Sections
Book Reviews
Fathering Poems
Interviews
Fathering Fiction
Cooking Recipes
Science Fair Project
US Constitution

News
Female Offenders
Juvenile Offenders

Child Health
New Baby
Premature
Circumcision
Intersex
Signs of Puberty
Car Hazards
Child Obesity
Teen Smoking
Teen Drinking
ADD/ADHD
PCOS
Autism

Men's Health
Hair Loss
Muse ED Review
Vasectomy
Micturition
Restoration

Columns
Stephen Baskerville
Michael Childers
Kirk Daulerio
John Gill
Paul Goetz
Sam Harper
Jim Loose
Mark Phillips
Fred Reed
Carey Roberts
Glenn Sacks
Clyde Verner
Archie Wortham

Exposé
Child Support Policy
Child Support Math
Commercial Justice
Abuse Hysteria
Missing Child Money
Gender Equality?

Legal Disclaimer





Except where otherwise indicated, the contents of this page are copyright
© 1995 - 2017 FatherMag.com
All rights reserved.

Home > Health > Item

Myopia: Room Lighting In Early Childhood May Later Result In Nearsightedness

News Release from Children's Hospital of Philadelphia



© Ivanna Buldakova - Fotolia.com All rights reserved.

PHILADELPHIA -- Infants who sleep at night in a bedroom with a light on may be at higher risk for nearsightedness later in childhood. A collaborative study by researchers at the University of Pennsylvania Medical Center and The Children's Hospital of Philadelphia found that children who slept with either a room light or night light on until age 2 were more likely to later develop myopia (nearsightedness), compared to children who slept in darkness. Graham E. Quinn, M.D., a pediatric ophthalmologist at Children's Hospital, and Richard A. Stone, M.D., of Penn's Scheie Eye Institute, announced their findings in the May 13 issue of Nature.

The researchers surveyed parents of 479 children aged 2 to 16 seen in the ophthalmology outpatient department of Children's Hospital. A questionnaire asked about the child's nighttime light exposure at the time of the survey and before age two. Only 10 percent of children who slept in darkness before age 2 currently had myopia, compared to 34 percent of children who had slept with a night light, and 55 percent of those who had a room light on. Light exposure after age two showed no such association with current myopia. "The results were dose-dependent," said Dr. Quinn. "Room lights were associated with a higher likelihood of nearsightedness than four-watt night lights."





Both family history and environmental factors are thought to be involved in causing myopia. "Myopia is largely a disorder of industrialized societies," said Dr. Stone, adding that myopia raises the risk of retinal problems, glaucoma and blindness in later life. In myopia, images focus in front of the retina instead of directly on it, largely because the eye has grown too long after birth. Prior research had shown that the eyes of chicks require a daily period of darkness to grow normally, and the researchers thus decided to study nighttime light exposure in children. They specifically asked about light exposure in the first two years of childhood. The eye normally develops rapidly during the early years of life even though myopia is usually detected much later. "Lighting may have an influence during sleep because small amounts of light pass through the eyelids even when they are closed," said Dr. Stone.

Additional authors of the paper were Maureen G. Maguire, Ph.D., of Scheie and Chai H. Shin, M.D., then a clinical fellow at Children's Hospital. Primary funding for the study was provided by the National Eye Institute of the National Institutes of Health, with additional support from Research to Prevent Blindness, the Pennsylvania Lions Sight Conservation and Eye Research Foundation, Inc., and the Ethel Brown Foerderer Fund for Excellence at The Children's Hospital of Philadelphia.

The researchers are preparing a follow-up study of some of the same children involved in the original research, to obtain precise measurements of the anatomy of the children's eyes. Further studies in other populations are needed to determine whether the initial findings can be generalized. As for what parents should do, Dr. Quinn said that children below age 2 are not usually afraid of the dark, and that "until these research results are more thoroughly evaluated, babies should sleep without artificial lighting in the bedroom at nighttime."

The Children's Hospital of Philadelphia, the nation's first children's hospital, is a leader in patient care, education and research. This 406-bed multispecialty hospital provides comprehensive pediatric services to children from before birth through age 19. The Children's Hospital of Philadelphia admits more than 16,00 patients and cares for more than 50,000 emergency and 500,000 outpatient visits annually.



The Children's Hospital of Philadelphia
34th Street and Civic Center Boulevard
Philadelphia, Pa. 19104-4399
215-590-4100 fax 215-590-4090

FatherMag News Page

more Fathering news stories



fathermag.com
The on-line magazine for men with families.



















US