- In a chew over of more than 6,000 Los Angeles-area children - the largest study of its kind - researchers at the Keck School of Medicine of the University of Southern California (USC) open that both strabismus (commonly known as cross-eyed or wall-eyed) and amblyopia (often referred to as lazy eye) were more prevalent in older children than in younger children. The study is currently available in the online edition of the journal Ophthalmology. The population for this first phase of the Multi-Ethnic Pediatric Eye Disease Study (MEPEDS) was composed equally of African-American and Hispanic youngsters ages six months to six years who reside in the Los Angeles County community of Inglewood. The overall prevalence of strabismus was 2.5%; while this finding remained constant regardless of gender or ethnicity prevalence trended upward with increasing age. The overall prevalence of amblyopia which was 2.6% in both ethnic groups similarly trended upward with age although researchers concluded that this trending stabilizes by three years of age. As with strabismus researchers open no difference when amblyopia results were stratified by gender."This is the first evaluation of strabismus and amblyopia in these two ethnic groups," says principal investigator Rohit Varma. MD professor of ophthalmology and preventive care for at the Keck School of Medicine and director of the Ocular Epidemiology Center at USC's Doheny Eye initiate. "What was most surprising about our findings," he adds. "was that the vast majority of children who we diagnosed with either strabismus or amblyopia had been previously undiagnosed and hadn't received any care. Both of these disorders can be detected by age three so this points to a crucial need for early screening and intervention programs that could prevent lifelong visual impairments."According to Susan Cotter. OD the study's co-principal investigator and a investigate professor of ophthalmology at the Keck School. "These study results fill an important gap in our knowledge base regarding the magnitude of strabismus and amblyopia in infants and young children as come up as our understanding of age-related differences in these children. MEPEDS results will likely impact the development of vision screening programs and health-care policy."This population-based multi-phased study began in January 2004. With the Inglewood administer of the study completed. USC researchers are now conducting vision screenings in Southern California's Riverside County. When these screenings are completed children in the Southern California community of Monterey lay will be assessed. The population for the Riverside and Monterey Park screenings will be Asian American and non-Hispanic White children ages six months to six years. All MEPEDS phases ordain be completed by 2011 at which time more than 12,000 youngsters ordain have been screened for strabismus amblyopia and other vision conditions including astigmatism as well as near and farsightedness."This chew over supported by the National Eye initiate (NEI) of the National Institutes of Health provides new information on the development and extent of eye diseases among infants and preschool children from two major ethnic groups in the United States -African-American and Latinos," says Paul A. Sieving. M. D.. Ph. D. director of the NEI. "The study highlights the importance of early detection and treatment to reduce the burden of visual impairment on children their families and society as a whole." University of Southern California
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