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A comment on Easing Eye Strain with the Right Lenses (2012). Parent comment

Re:Easing Eye Strain with the Right Lenses (2012) by walterbell on Saturday September 30, 2017 @03:15PM (#15374558)
Have you purchased from eyeglasslensdirect? Seems to be a one-person operation, which could be good or bad. They are the only online retailer of well known lens brands.

On their single vision lens order page, there is no input field for fitting height. Do they calculate a fixed percentage of frame height, or can you email them with your fitting height?

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Re:Easing Eye Strain with the Right Lenses (2012) by CalChris on Saturday September 30, 2017 @03:32PM (#15374631)
No, I haven't. I educate myself about lens materials and choices online but then I get my prescriptions and glasses at the Berkeley School of Optometry brick and mortar. You're asking about fitting and I think opticians are really good at that. Berkeley is. I'm talking about educating yourself on choices.

This is another online site with a lot of information:

http://www.visio-rx.com/vision-topics/lenses/polycarbonate-v...

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