There are two eye glass places bordering on the Cathedral square in city center.
One is directly across from the front next to Foodie's Market.
The second is across from Foodies and to the left before you get to Air Tahiti office.
For more complex prescriptions like bi-focal, no line, sensa gray etc the glasses have to be made in France. But for reading glasses and more straight fwd prescription they can be made in papeete.