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Please copy/paste the following text to properly cite this HowStuffWorks article:

"At night, why does it take my eyes several minutes to get used to darkness?"  21 January 2009.  HowStuffWorks.com. <http://health.howstuffworks.com/human-body/systems/eye/eyes-adjust-darkness.htm>  10 February 2012.
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A Conception Story

Follow six couples on their journey to pregnancy.

Inside this Article
  1. Why does it take my eyes several minutes to get used to darkness?
  2. Lots More Information
  1. See all Eye articles

Lots More Information

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