:D
Can anyone tell me how to determine a prescription using a lens clock? One of the residents here needs to know for an exam. I though he was joking as I always rely on the lensometer
Thanks in advance
:D
Can anyone tell me how to determine a prescription using a lens clock? One of the residents here needs to know for an exam. I though he was joking as I always rely on the lensometer
Thanks in advance
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