Read your glasses prescription without guessing
A guide to SPH, CYL, AXIS, ADD and the fitting measurements recorded alongside them.
THE CLEAR VISION GUIDE
Buying glasses
Ask better questions at your appointment.
How to compare two lens quotes fairly
Get the exact design, material and service terms in writing.
Collecting new glasses: a practical checklist
Check the order, fit and everyday tasks before leaving the practice.
Buying glasses online: check the fitting plan
A clear prescription is only one part of ordering. Check measurements, adjustment and the return process.
Pupillary distance: more than a checkout field
Learn why lens position belongs with frame choice and why unclear measurements should be checked.
Sports glasses: protection is a whole-pair decision
Match the frame, lens and activity instead of relying on a tough-material label alone.
Glasses slipping or leaving marks: check the fit
Bridge support, sides and wearing position can matter as much as a frame’s stated size.