Aren't those two, and the same?

If not, could somebody please add a text to both of them which explains the difference?

  • 2
    [optical] is a meta tag that could refer to optical drive, optical mouse, fiber optic connection, etc. The tagged questions need cleanup.
    – fixer1234
    Commented Nov 9, 2015 at 5:39

1 Answer 1


As was only used on 9 questions I have gone ahead and removed it.

It was abused to be a modifier for several different things

  • optical mice
  • optical drives
  • optical audio
  • optical lenses in 3D modelling

As such it was a meta tag and deserved burnination.


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