CRT Calculator

CRT Calculator

OD

OS

RX Sphere:

K1:

K2:

K Value Units:

Diopters

Millimeters

VID *:

Optic Zone:

Jessen Factor:

Reset Values

Copy To OS

Calculate

Results

OD

OS

Lens Type:

BC:

RZD1:

RZD2:

LZA1:

LZA2:

DIA:

PWR:

Material:

Tint:

Input

Output

BC:

RZD1:

RZD2:

LZA1:

LZA2:

6mm->5mm

5mm->6mm

Convert