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Vision Testing Checks Vision Problems That May Go Unnoticed

Last Updated: September 14, 2009

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Parenting Tips for Your 33-34 Month Old Toddler

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Vision testing should be a part of every child’s regular health checkup. A vision test determines each eye’s ability to see “sharply.” When a child is less than 3 years of age, his vision is tested by his ability to follow an object moving from about 12 to 15 inches from his face to a few inches from his nose.

Each eye is tested separately by covering one eye and observing the other eye as it follows the vision tester’s finger. At 3 years of age, most children can learn how to take a formal vision screening test. The most widely used vision screening test is called the Snellen test and uses a wall chart with a large letter E at the top.

Some wall charts use pictures of things that are familiar to the child. The child covers each eye in turn and identifies what he can see. Some toddlers have a “lazy eye.” These children need regularly scheduled vision tests to make sure that eye problems are identified early. Finding problems early and getting medical care, may prevent permanent loss of vision.

Parents may not notice vision problems. Since a young child has no knowledge of what good vision is, he does not complain. Your child’s ability to see is essential for learning. You can provide your child with a head start for preschool and kindergarten, if you make sure his eyesight is normal.


Learn more about Your Toddler: 33-34 Months from Just In Time Parenting. You can also go to our Resource Links for additional information on child care and development.


Note to Parents: When reading this newsletter, remember: Every baby is different. Children may do things earlier or later than described here. This newsletter gives equal space and time to both sexes. If he or she is used, we are talking about all babies.
References: These materials were adapted by authors from Extension Just in Time Parenting Newsletters in California, Delaware, Georgia, Iowa, Kentucky, Maine, Tennessee, Nevada, New Hampshire, New Mexico, and Wisconsin.

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