Opto definitions

Opto

1) Intro to metry 2) Prefix with -metry 3) Sight opening 4) The eye metry 5) Vision prefix 6) Vision starter
Found on https://www.crosswordclues.com/clue/opto

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opto

Latin, meaning: to desire, wish for, want.
Found on http://archives.nd.edu/ooo.htm

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opto

to desire, wish for, want.
Found on https://www.math.ubc.ca/~cass/frivs/latin/latin-dict-full.html

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