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"Science and science fiction, how do you even distinguish the two?"
- Jerry Pournelle

External Eyelenses  
  Way retro means of correcting vision problems in human beings.  

One of the oldest (and best) tricks of science fiction writers is to use a deliberately technical description of an everyday object.

Nyman was at his desk, ostensibly working at a gray-and-green-colored holodisplay. He was a thin, serious-looking man who affected steel-rimmed external eyelenses to go with this expensively cut black suit...
From Altered Carbon, by Richard Morgan.
Published by Del Rey in 2003
Additional resources -

Another good example of how this is used to great effect in a story is the groundcar from Foundation by Isaac Asimov.

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  More Ideas and Technology from Altered Carbon
  More Ideas and Technology by Richard Morgan
  Tech news articles related to Altered Carbon
  Tech news articles related to works by Richard Morgan

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