The price list for progressive photochromic lenses at the online optical store PrescriptionGlassesOnline.net is as below for your reference.

Package MP - Thin and Lite (1.57) Progressive Photochromic Lenses only cost you USD61.45.

Package MPF - Thin and Lite (1.57) Free Form "Distortion Reducer" Progressive Photochromic Lenses only cost you USD157.45

Package RP - Super Thin 1.61 high index progressive photochromic lenses only cost you USD116.45.