1. Go to Items -> All Items or Items -> Spectacle Lenses
2. search the item you'd like to add Opticare lens code. Double click on one item.
3 click on Lab links tab then enter Opticare LensCode under the Opticare - Optilink Online section.
4. when done click Save or Save& Close. Repeat step 2 to 4 for each lens you'd like to update.