On 24/02/2021 22:00, Bob Eager wrote:
I believ they are not obliged to give you the PD. So I ask.
But its so easy to measure your PD. Take a selfie with your smart phone
with a ruler held at eyebrow level.
https://www.youtube.com/watch?v=b5dOglpKq4I
--
mailto : news {at} admac {dot} myzen {dot} co {dot} uk