> Can you provide evidence to this? Wearing glasses for 40 years and talking to ophthalmologists and optometrists. Also I don't know where you are getting you

> Can you provide evidence to this? Wearing glasses for 40 years and talking to ophthalmologists and optometrists. Also I don't know where you are getting your glasses from, but where I am it's been decades now that the measuring of eyesight (with a machine) is done before the lens fitting, which mainly focuses on astigmatism.