5 ms·
In the US anyway, they're legally required to give you your prescription (SPH, CYL, prism, etc). However, PD and other ocular measurements aren't classified as
by y2bd 4y ago
In the US anyway, they're legally required to give you your prescription (SPH, CYL, prism, etc). However, PD and other ocular measurements aren't classified as part of a prescription.