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Contact and Intraocular Lenses

Contact lenses and intraocular lenses have exacting requirement for thickness and sag. Bristol Instruments offers real time measurement with sub-micron accuracies. It also has the capability to measure index for exact characterization of material.

Medically illustration showing intraocular lens (IOL), a lens implanted in the eye as part of a treatment for cataracts or myopia
  • Simultaneous measurement of center thickness and sagittal height
  • Non-contact technique means no damage or deformation
  • Measurement can be made in a wet cell keeping lens hydrated for accurate thickness
  • QC Mode in Opti-Cal software ensures mistake free measurements for engineering, QC and production personnel

Measurement results shown in table below are of a contact lens in a wet cell, displayed in Bristol's Opti-Cal software.
Green boxes show the layers that are within spec.


Are you looking for fast, accurate measurement of your contact or intraocular lenses?

Contact us today for a virtual demonstration!