How two eyes give you more depth perception, which is the ability to judge how near or far objects are.
- Hold a pencil lengthwise (on its side) in each hand.
- Now, with one eye closed, try to touch the erasers together. Did you miss?
- Now, try it with both eyes open. Voila! Two eyes give you better depth perception.
Reviewed by: Eric H. Chudler, PhD
Date reviewed: August 2011
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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