Humphrey® Lens Analyzer Model 350  ideal for quality assurance of lenses, and lensometry .

Simple to operate, the Humphrey Lens Analyzer (LA) gives fast and accurate lens neutralization results for any lens-progressive lenses,
prism lenses, contact lenses, polycarbonate and other high-index lens materials.
Features:
Single Vision
Bifocals
Trifocals
Progressive
Contact lenses (Hard & Soft)

Read out display rounded to .01, .06, .12 or .25 diopter intervals.
It easy to use, with fast accurate results this Lens Analyzer calculates prism (both Vertical and Horizontal),
Pupilary Distance (PD) or Optical Center Decentration (OCD).
Print outs are easy to read and prints on thermal paper.
Readings can also be transfered to an external printer, auto-refractor or computer through an rs232 cable.