~A Guide to Selecting the Proper Spectacle Size

Thomas F. Valenza · 2026-08-02

Guide to Selecting the Proper Spectacle Size 

By Thomas F. Valenza

@2023 Thomas F. Valenza   All rights reserved 



CONTENT

  1. Comparison between modern eyeglasses and antique spectacles
  2. Pupillary Distance (PD) 
  3. Spectacle frame adjustment to fit different head sizes
  4. Your Optical Professional

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Comparison between modern eyeglasses and antique spectacle Comparison between modern eyeglasses and antique spectacle
Pupillary Distance (PD) Pupillary Distance (PD)
Spectacle Frame Adjustment to fit different head sizes Spectacle Frame Adjustment to fit different head sizes
Your Optical Professional Your Optical Professional

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