LED safe for Fire Kasina?

Mark Peacock, modified 5 Years ago at 10/14/18 12:15 PM
Created 5 Years ago at 10/14/18 12:15 PM

LED safe for Fire Kasina?

Posts: 19 Join Date: 5/15/16 Recent Posts
The LED flashlight on my phone is very bright compared to a candle. Folks feel sure that it's safe?

It's a lot less overhead than candles! And works well in daylight.   Thanks.  
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Jason Massie, modified 5 Years ago at 10/14/18 4:31 PM
Created 5 Years ago at 10/14/18 4:31 PM

RE: LED safe for Fire Kasina? (Answer)

Posts: 124 Join Date: 10/18/16 Recent Posts
Mark Peacock:
The LED flashlight on my phone is very bright compared to a candle. Folks feel sure that it's safe?

It's a lot less overhead than candles! And works well in daylight.   Thanks.  

I used a small led flashlight all day for 20 days and there were no physical effects. It was brighter than a cell phone flash light. I liked it better than a candle. 
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Mark Peacock, modified 5 Years ago at 10/14/18 6:53 PM
Created 5 Years ago at 10/14/18 6:51 PM

RE: LED safe for Fire Kasina?

Posts: 19 Join Date: 5/15/16 Recent Posts
Thanks Jason, that's a pretty rigorous test. How long did you look at the LED before closing your eyes? 
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Jason Massie, modified 5 Years ago at 10/14/18 7:26 PM
Created 5 Years ago at 10/14/18 7:26 PM

RE: LED safe for Fire Kasina? (Answer)

Posts: 124 Join Date: 10/18/16 Recent Posts
Mark Peacock:
Thanks Jason, that's a pretty rigorous test. How long did you look at the LED before closing your eyes? 


1 sec to 90 seconds depending on concentration and situation.
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Mark Peacock, modified 5 Years ago at 10/14/18 8:43 PM
Created 5 Years ago at 10/14/18 8:41 PM

RE: LED safe for Fire Kasina?

Posts: 19 Join Date: 5/15/16 Recent Posts
OK, thanks, I'll try it.

I enjoy flame but a number of hassles and limitations with candles. 
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Tom Blackmon, modified 4 Years ago at 10/18/19 8:20 AM
Created 4 Years ago at 10/18/19 8:19 AM

RE: LED safe for Fire Kasina?

Post: 1 Join Date: 10/18/19 Recent Posts
Regarding the use of LEDs, a French study referenced by this article is alarming
https://www.cnn.com/2019/05/16/health/blue-light-led-health-effects-bn-trnd/index.html
They've also been shown to be harmful to fruit flies
https://www.nature.com/articles/s41514-019-0038-6?utm_source=commission_junction&utm_medium=affiliate
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Siavash ', modified 4 Years ago at 10/18/19 12:17 PM
Created 4 Years ago at 10/18/19 12:17 PM

RE: LED safe for Fire Kasina?

Posts: 1682 Join Date: 5/5/19 Recent Posts
If you have very healthy eyes, probably it's not a problem. I don't have very healthy eyes, and it causes pain in my eyes if I use such strong light sources.
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