They are mostly sold via opticians who do the changes locally, but there's also an online option, 150 for clip + lens mod + 2-way shipment, additional clips for

They are mostly sold via opticians who do the changes locally, but there's also an online option, 150 for clip + lens mod + 2-way shipment, additional clips for 75, https://www.buychemistrie.com/product-page/chemistrie-computer-clip https://www.buychemistrie.com/product-page/chemistrie-comput...