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Polarization and UV protection on sunglasses are two different things. While UV refers to light of a wavelength of approximately 10nm to 400nm, light of any wavelength can be polarized. So polarized sunglasses do not generally protect against UV, they also need a dedicated UV filter. Light emitted by the sun oscillates in all directions perpendicular to the ...


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Use salt as it helps remove leeches. ( I know it works I have personally seen it work and it honestly does dry them up.) You could also just leave them to fill up and fall off and then they are gone. The biggest worry though is probably infection for incorrect methods of removal. To prevent leeches I recommend leech socks or pants as they really work but are ...



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