Question

 Why does it take so long for eyes to adjust to the dark?

Answer The human eye is a complex organ, full of many nerves and chemicals that work together to produce sight. The cells in the eye that react to light and send signals to the brain to create sight are c... Read More »
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Top Q&A For: Why does it take so long for eyes to adjust to ...

How long does it take for your eyes to adjust to not wearing glasses?

If vision is getting worse than it sounds like you are trying to go cold turkey with lots of blur. The normal response to lots of blur is straining and squinting. Straining and squinting lead to mo... Read More »
http://answers.yahoo.com/question/index?qid=20091009191016AAPdnYh

How long does it take sunflower seeds to get dark?

Sunflower seeds are dark and ready to harvest when the back of the sunflower head is brown and dried up. This occurs generally in October, or after a freezing frost. It is important to wait for the... Read More »
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How long does it take to adjust to new bifocals?

Adjusting to new bifocals generally takes from a few days up to more than a week, depending on the person. Bifocals are prescribed to people who have difficulty seeing things clearly at different d... Read More »
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How long does it take a person to adjust to a CPAP machine?

On One Hand: Adjustment Times VarySome individuals may need several weeks or longer to adjust to their CPAP machines, according to the Mayo Clinic. Potential adjustment problems include difficulty ... Read More »
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