I don't know what the US market is like, but in the UK it's easy to find glasses online with Zeiss, Nikon, Essilor or Hoya lenses. For what it's worth, I need s

I don't know what the US market is like, but in the UK it's easy to find glasses online with Zeiss, Nikon, Essilor or Hoya lenses. For what it's worth, I need six diopters of cylinder and have had no problems with unbranded CR39 lenses.