Vision Problems Growing Among Preschoolers

by Dr Alex Jimenez | Natural Health, Wellness

A growing number of U.S. children may develop vision problems before they reach kindergarten, according to a study that suggests eye screenings will become increasingly important for the preschool set.

For the study, researchers analyzed data from U.S. census records and from eye exams on about 12,000 kids under 6 years old. Nationwide, researchers estimated that more than 174,000 kids from 3 to 5 years old had vision impairment as of 2015 and projected that their ranks will swell by 26 percent to more than 220,000 by 2060.

Most of these kids have what’s known as refractive errors, or difficulties focusing on things either up close or far away, that can be often be corrected with glasses. This means parents should take kids for at least one comprehensive eye exam by age 3 and watch for signs of vision issues, said lead study author Dr. Rohit Varma, director of the Roski Eye Institute and dean at the Keck School of Medicine at the University of Southern California in Los Angeles.

“Parents should watch out for signs such as sitting close to the TV or holding a book too close, squinting, tilting their head, frequently rubbing their eyes, short attention span for the child’s age, turning of an eye in or out, sensitivity to light, difficulty with eye-hand-body coordination when playing ball or bike riding, or avoiding coloring activities, puzzles and other detailed activities,” Varma said by email.

“If children display such symptoms or behaviors then they should certainly get an eye examination,” Varma added.

Hispanic children were most likely to have vision problems, researchers report in JAMA Ophthalmology. As of 2015, Hispanic kids accounted for 38 percent of vision impairment cases, and researchers estimated this proportion would climb to 44 percent by 2060 aided by higher birth rates in this population relative to other racial and ethnic groups.

Based on changing demographics across the country, the second most-affected group is expected to shift from non-Hispanic white kids, who represented 26 percent of cases in 2015, dropping to 16.5 percent in 2060, to African American kids, representing 25 percent of cases in 2015 and 22 percent in 2060, according to the researchers.

The states projected to have the most children with vision impairment by 2060 are California, Texas and Florida, all of which have large Hispanic populations.

Overall, the types of vision problems found in kids are projected to remain little changed by 2060, however.

Refractive errors will make up about 70 percent of cases by 2060, followed by amblyopia, or lazy eye, accounting for 24 percent. About 6 percent of cases will result from eye disease.

One limitation of the study is the reliance on census records with self-reported data on race and ethnicity, the authors note. Researchers also assumed the prevalence of impaired vision within different racial and ethnic groups would not change over time, so increases and decreases are based just on population changes.

Still, the findings should serve as a reminder to parents not to wait to get children’s eyes checked until kids complain about their vision, said Dr. Janet Leasher of the Nova Southeastern University College of Optometry in Fort Lauderdale, Florida.

“Many children don’t know that the way they see may not be normal, and the only way to find out is to have them assessed by a qualified eye care professional,” Leasher, who wasn’t involved in the study, said by email. “There are pediatric ophthalmologists and optometrists who specialize in children’s vision, but any eye doctor can conduct the tests necessary to determine if there is a problem.”

Diarrhea From Swimming Pools Rising

by Dr Alex Jimenez | Natural Health, Wellness

As warm weather approaches, U.S. health officials are warning that outbreaks of diarrhea caused by swallowing swimming pool water containing parasites have doubled in the past few years.

The infections occur when swimmers ingest water contaminated by diarrhea from a person infected by Cryptosporidium or Crypto, a parasite that is notoriously difficult to kill.

Crypto caused at least 32 outbreaks in swimming pools or water parks in 2016, compared with 16 in 2014, according to a report published in the U.S. Centers for Disease Control and Prevention’s weekly report on death and disease.

Arizona last year reported that 352 people became sick with Cryptosporidiosis from July through October, compared with no more than 62 cases per year from 2011 to 2015. Ohio reported 1,940 infections in 2016, compared with no more than 571 in any one year from 2012 to 2015.

The CDC said it was not clear if there are actually more outbreaks, or if states are doing a better job of reporting them since it introduced a new DNA-based tracking tool in 2010.

Crypto is the most common cause of diarrhea outbreaks linked with swimming pools or water parks because it can survive up to 10 days in chlorinated water. It only takes a mouthful of contaminated water to make a healthy person sick for up to three weeks. Infections can cause watery diarrhea, stomach cramps, nausea or vomiting, and can lead to dehydration.

To kill the parasite, the CDC recommends closing pools and treating the water with high levels of chlorine, called hyperchlorination.

The CDC advises parents not to let children swim if they have diarrhea. People who are infected with Crypto should wait two weeks after the diarrhea stops before swimming. And to keep from getting sick, the CDC advises swimmers not to swallow pool water.