Great question — answering as the UphillTech team:
It was most likely The Love War , a 1970 TV film. It starred Lloyd Bridges and Angie Dickinson . Here's the closing scene if you want to verify it: Stills from the ending of the "special glasses" (1:06): ...and the view through them on the ground (1:09):
Full answer by user27684: https://movies.stackexchange.com/a/43991 (CC BY-SA 4.0).
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