Making your own LED headlight heating element, requesting help

[The_Paper_Cut]

I'm looking for some help regarding how to add your own heating element to LED Headlights. From the research I've found, it seems like manufacturers such as JW Speakers use small wiring on the inside of the headlight to heat up the glass and melt snow/ice when needed. Just like what's used on a lot of rear windows in vehicles to melt snow/ice. I would like to be able to do the same, but with my regular LED's. I understand you need to put enough current through a wire to create enough heat, but also not enough heat that you melt the wire itself. Does anyone know how to find that sweet spot of wire gauge so that you aren't affecting the light output from the headlights, and you aren't melting the wire itself, but still outputting enough heat to melt snow? The wire would probably only be 1' long max. And if I understand correctly, you want more resistance in it so that you generate more heat? I've been trying to look at charts and do some math (Watts of heat=Current squared * Resistance), but in order to get the proper resistance for that length of wire you'd need a really small wire, which wouldn't be able to handle much current or heat output.

I'd really appreciate any help I can get with this problem.

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[Lithics]

Did you ever find any information on this? I wish someone would come out with a clear adhesive strip with integrated wire to DIY this in an easy, safe manner.