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How Normal Vision Develops - Topic Overview

Normal vision develops rapidly during the first 2 years of life and continues more slowly until about age 9. During that time, a child's eyes and brain learn how to work together to see. Practice is the most important part of this learning process. Constant use of both eyes gives a child's eyes and brain the practice they need to develop normal eyesight.

If there is a problem with vision in one eye, it disrupts this learning process, and the brain stops developing normal vision for that eye. This can lead to amblyopia.

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When Should Kids Learn to Read, Write, and Do Math?

At one time or another, most parents wonder how their child is stacking up in school. Part of answering that is knowing when kids should learn to read, write, and do different kinds of math? Ross A. Thompson, PhD, professor of psychology at the University of California at Davis tells WebMD there is a wide range of normal variation in many areas for young children. This can make it difficult, he says, to tell if a delay is really a problem. Thompson also says that measuring children against defined...

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WebMD Medical Reference from Healthwise

Last Updated: March 08, 2013
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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