http://ideas.eyeconx.net/story.php?title=researchers-say-as-many-as-1-in-4-preschoolers-has-vision-problem-that-needs-attention Vision problems among preschoolers may be more common than previously thought. That's the conclusion of researchers who conducted two large studies funded by the National Institutes of Health. Previously, it was estimated that one in 20 preschoolers had vision problems. But the studies show that as many as one out of every four preschool-aged children may have a vision problem that needs attention... Tue, 15 Nov 2011 18:03:08 EST en