law ling Posted September 7, 2020 Share Posted September 7, 2020 Don't know if this has come up before ... Some months ago I noticed a very distracting, donut-shaped "floater" in one eye. I'd previously had temperature gun beams (lazers) hit my retina - by lazy, indifferent staff here, weilding their activated gun at me, even before I got into position - and I suspect that that's the cause of it. If I'm right on the causal link, be warned to approach the guns with care: head down and turned away. Link to comment Share on other sites More sharing options...
dimitriv Posted September 7, 2020 Share Posted September 7, 2020 A digital infrared thermometer only receives, it does not send anything. a quick translation: "The infrared thermometer works on the basis of infrared radiation. Every substance (medium) emits infrared radiation. The lens of the infrared thermometer collects this radiation. The amount of radiation received is a measure of the measured surface temperature." Link to comment Share on other sites More sharing options...
sanmyintmaung Posted September 7, 2020 Share Posted September 7, 2020 The red dot you see is a light that the thermometer provides that the person taking the temperature to see where they are measuring. That light is not laser. It is not going to damage the retina because it is pointing to the eyes. Link to comment Share on other sites More sharing options...
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