Public Services and Procurement Canada
Symbol of the Government of Canada

Institutional Links


Important notice

Writing Tips has been archived and won’t be updated before it is permanently deleted.

For the most up-to-date content, please consult Writing Tips Plus, which combines content from Writing Tips and The Canadian Style. And don’t forget to update your bookmarks!

To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

opt-, opto-

The combining form opt- or opto- means “eye, vision.”

  • The optic nerve transmits impulses from the eye to the brain.
  • Sue had her contact lens prescription filled by a local optician.
  • I see my optometrist every two years for an eye examination.