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Yeah we have a couple of 150 watt lamps that are strategic for DW's reading. Cannot find a reasonable LED equivalent even at a 100 watts. Must become difficult to package the electronics. The LEDs themselves would be no problem...heat problem?
It's a heat problem. I have some high-output LED lights for video and photography that are 500- and 1000-watt equivalents. Even though they actually consume only 100 and 200 real watts respectively, they need fan-cooled heat sinks half the size of a loaf of bread.
Eddie,
One of my LED lamps continues glowing for a second after I turn it off.
I have read that LED may damage eyes as well as influence unfavorably your circadian rhythms.
I believe it. They do sell special blue light blocking glasses for computer use- as well as special apps -( flux is one for IOS)- to change the specter of the color and intensity of the light after the sunset on electronic devices- bet that is why.
My place is all LED, except where I use it the most- next to the computer and a bedside table.
I am very careful turning lights where I do not need them and keep my place cool- so can use the "90% of incandescent light energy waste as heat"
Last edited by Nik4me; 03-02-2017 at 08:11 AM..
Reason: The smileys came as question marks
Eddie,
One of my LED lamps continues glowing for a second after I turn it off.
I have read that LED may damage eyes as well as influence unfavorably your circadian rhythms.
I believe it. They do sell special blue light blocking glasses for computer use- as well as special apps -( flux is one for IOS)- to change the specter of the color and intensity of the light after the sunset on electronic devices- bet that is why.
My place is all LED, except where I use it the most- next to the computer and a bedside table.
I am very careful turning lights where I do not need them and keep my place cool- so can use the "90% of incandescent light energy waste as heat"
The purported problem is blue light. You get that from all daylight type light sources including incandescent. One big source is electronic screens. Fluorescent lamps and high color temperature LEDs would also be high sources of blue light.
The argument would be to avoid screens and blue tinted light sources for a couple of hours before sleep and use red night lights. Not terribly practical for most of us. I have sleep problems which my Internist suggest are a well known and standard effect of aging...I go to sleep fine but wake up in 4 to 5 hours and cannot get back to sleep. That pattern would be incompatible with the Melatonin suppression that is hypothesized.
The bare LED emitters are bright enough to damage your vision. Get frosted LED bulbs. Foods with a lot of antioxidants help reduce scarring of the retina if there is damage BTW
There is nothing wrong with my eyes but thanks i explained what it was. It's very common it happens to everyone once in awhile in their life called "floaters" and they go away in a very short time. Like i said this doesn't happen anywhere else just in my house and it's not every day.
Are we in the medical forum? Usually nearsighted people have floaters. After awhile they simply stop noticing them as the brain adjusts to their existence. But as nearly everyone in this thread has stated, go see a specialist and have your retinas checked.
There is nothing wrong with my eyes but thanks i explained what it was. It's very common it happens to everyone once in awhile in their life called "floaters" and they go away in a very short time. Like i said this doesn't happen anywhere else just in my house and it's not every day.
I'm extremely near-sighted. I have floaters--one is extremely large, and it never goes away.
I remember the very moment that bit of retina lifted away from my eyeball. My brain had no normal way to interpret the sensation and just called it "dizzy!" But I went immediately to an ophthalmologist who verified I had a new huge retinal lesion.
Those are common with very nearsighted persons because our eyeballs are elongated, usually continuing to stretch for much of our lives (usually stops around mid twenties, but I'm in my sixties and they haven't stopped yet)--and the retina doesn't stretch with the eyeball.
There is nothing wrong with my eyes but thanks i explained what it was. It's very common it happens to everyone once in awhile in their life called "floaters" and they go away in a very short time. Like i said this doesn't happen anywhere else just in my house and it's not every day.
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