Yes. Here are the limits to adding prescription: Max +4 to Rx Max base curve of +4.5 No limit to a minus Rx except base curve may not exceed +4.5 DISCLAIMER: Please use this information as a guideline only. Check with your optical professional before proceeding with your prescription request. Unfortunately, we are not responsible for frames or lenses that were lost, damaged or tampered with by other labs. We are also not responsible for the cost to replace the Rx lenses. Any modifications made to Eagle Eyes products will automatically void the 12-month warranty.