Optical lens edger - E920 - Dia Optical - automatic
Amazon.com: CNCOLETECH CO2 Laser Lens Dia:20mm FL:2" or 50.8mm Laser Mirror CVD ZnSe Focus Focal Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W
Small Diameter Colored Contact Lenses Recommendation
Lens, Double Convex, Glass 38mm. Dia X 10cm Focal Length. - Science First
EO-Executive Optical - Everyone, DIA is an abbreviation of the word DIAMETER. It's the width of your contact lens from edge to edge, and it's commonly written in millimeters. Alrighty? :D #FYEye #
Amazon.com: Trial Lens Set Illuminated with 232 Lens with Dia. 20 Mm and a Trial Frame Standard in Case. : Industrial & Scientific
What do the 'POWER', 'BC', and 'DIA' parameters mean for contact lenses? - Quora
Wrong Base Curve & Diameter Symptoms For Contact Lenses