As Mashable reports, you'll have to place an order for the glasses and have them shipped directly to Rochester's facilities. From there the company makes custom-fit lenses based on your prescription. And that's where the devil resides: a note to opticians says that prescription total power can't exceed -5 diopters. So if you're blind as a bat like me, even this service might not be any help.

Update: Rochester Optical reached out and provided the following clarification: