How to make astigmatic refractions simpler

Описание к видео How to make astigmatic refractions simpler

When using a refractor head / phoropter for subjective refractions, here are some tips to simplify the old '1 or 2' by giving your patient differences to see, in both determining cyl power and axis. This video is aimed at students, new graduates or any experienced optometrist looking for another way to spin those dials!

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