Frame Sizing Guide

Sightline Readers work best when the frame positions the lens properly in front of your eyes.  

Two elements to consider for optimal fit: 


How to measure your PD?  Easy...  There is an app for that.

Mostly, PDs range between 58 and 65 mm. 

Sightline's lens design mean it's totally cool for you to stray a few millimeters off your PD and find the style to suit your groove.      

Download one of the applications below and measure your PD. 


PD measurement tool for Apple

PD measurement tool for Android

Getting you the correct frame width means your Sightline readers will be comfortable to wear. 

Who knows your head size better than you?  Sightline frames are all listed as Narrow, Medium, or Wide. Your guess is probably good enough.  

Want to measure your head?  There's a link for that.

Narrow -  125 mm to 130 mm | 4 7/8" to 5 1/8 inches
Medium- 130 to 138 mm | 5 1/8" to 5 5/8
Wide- 138mm and larger | 5 5/8" and up
Close (esc)

Labor Day Sale- wrapping up now... 25% savings site wide

Explore more

Age verification

By clicking enter you are verifying that you are old enough to consume alcohol.


Shopping Cart

Your cart is currently empty.
Shop now