ANSWERS: 2
  • The same way as you would. He's blind, not mute.
  • Tell the vendor what they wants to have. I think they could choose the form of the glasses best with tasting them with the fingers and checking how they feel by putting them on. I don't think it would be a good idea to use an internet shop, if they want something that they really like. Only if they want to save money. In a real world shop they can at least get a feedback. This solution applies also to blind women.

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