Answer :

mel2169

It's A. a glass eye does not contain a lens.

a jeweler's loop is a magnifier lens that a jeweler uses.

a floodlight has a lens and eyeglasses also have lens.

Hope this helps. :) 
Adding on to the wonderful answer below. A glass eye is the only one that doesn't need to contain a lens as it is created purely for 'decoration' and not to enable someone to see better.

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