Dispensing Tools
A collection of calculators for lens fitting and measurements.
Course Study Hub
Log and analyze your course chapters with AI assistance.
Blank Size
Calculate the minimum lens blank size needed.
BVD Conversion
Compensate lens power for a new vertex distance.
Induced Prism
Calculate induced prism from decentration and power.
Lens Thickness
Calculate edge and center thickness for a lens.
Prescription Transposer
Convert between plus and minus cylinder formats.
Progressive Power
Calculate effective power in a progressive lens.
Relative Magnification
Compare magnification effects between two lenses.
Step-Along Vergence
Calculate vergence through an optical system.