Verifying PAL DTCC 2019 video

OPH 132 4/23/24 Meeting Recording

OPH 111 4/23/24 Meeting Recording

Diameter: Decentration & Cut Out

LENSMETER DRUM READINGS (Lecture 1 from 2/14/23)

THICKNESS GAUGES & LENS CLOCKS (Lecture 4 from 2/14/23)

ANSI Application POWER CT BC (Lecture 3 from 2/14/23)

PRISM IN THE LENSMETER (Lecture 2 from 2/14/23)

Intro Animation

Prism for Decentration; lens blank

Lens Diameter & Thickness

How to Use a Lens Diameter Chart

Lens Decentration & Thickness

Horizontal Prism & ANSI

Vertical Prism Imbalance & ANSI

Nominal Power & Back Curves

(3) MBS, Decentration, and Cut Out - Prism Decentration

(2) MBS Concept, Decentration, and Cut Out

(1) MBS Concept, Decentration, and Cut Out

Prism base direction in the lensometer 2