I knew someone who lost his eyesight from staring at the sun.  I know there is 
a yoga execrise which involves staring at the sun, but for brief periods.  I've 
been told the retina can get burned otherwise.
 
Sally

[email protected] wrote:
I used the red LEDs directly over my right and left eyes. I took off the array 
when it got too hot which takes a few min. The effect is everything is sharper 
and brighter in these 40yr old eyes. My wife reports the same with her eyes as 
well. I lost my fear of trying this when I read some testimonies about people 
staring into the sun for short periods and having there vision actually 
improve. There is a story of a sadistic Korean doctor who forced American POWs 
to stare at the sun for 10 hours a day during the Korean war.. If they blinked 
they were threatened with death. They all had better eyesight after a year and 
only suffered from headaches and neck aches. Some no longer needed there 
glasses. I also read the Univ, of Wisconsin Med school (Dr Harry Whelan who 
also works for the Gov. and NASA) is using LEDs in research testing to heal the 
eyes of blinded mice using 670nm red LEDs. I would NOT put a red laser in my 
eyes as the beam is far more concentrated and supposedly you can
 overdose with lasers but not LEDs. After a while we may hear of some people 
using lasers for eyesight improvement but I am not ready to try that yet. 
Steve 
                
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