Sun exposure reduces Myopia – June 2011

Seeing the Light: Why Sun Exposure May Be Good for Your Eyes June 2011 Marks Daily Apple

Huge amount of information
Author wants to keep most of the information at his site
So, here are just a few items

Sunlight and circadian rhythm - (do not have bright light at night)

Kathryn Rose, points to the weak or inconsistent epidemiology that attempts to link time

• spent on the computer,
• watching television,
• reading, and
• studying

to myopia. She suggests that the real problem is lack of sunlight.

References (linked at his website)

• In Chinese school children, myopia progression was inversely correlated with outdoor activity.
• Near work (studying, reading) did not correlate with myopia progression, but American kids who played fewer sports outdoors had more myopia.
• In Taiwanese rural children, outdoor activities might be “an important protecting factor for myopia.”
• In teens from Singapore, outdoor activity appeared to protect against myopia progression.

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See also VitaminDWiki

• Vision and Vitamin D 112 items
• Probable relationship between myopia and vitamin D – Feb 2011
• Hypothesis Close focusing in the absence of UV light provoke myopia - 2007 file
• Myopics had 3 ng less vitamin D – Jan 2011
• Hypothesis: Low vitamin D linked to Myopia – May 2010 VitaminDWiki, Henry Lahore
• Several Vision problems may be the result of vitamin D deficiency
• Myopic had a little less vitamin D - Thesis 2010 file
• Myopia may be related to low vitamin D