Download of PresbyLite II 1.3 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program lies within Education Tools, more precisely Science Tools.
The actual developer of the free program is Procornea Nederland B.V. The most popular version of the tool 1.3. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The program's installer is commonly called Presbylite.exe.
From the developer:
PresbyLite II software computes the correct parameters after you fill in the K's, RX and add power.
The Presbylite II™ bifocal is a translating design that has a SPHERICAL base curve so the design is fit like any spherical gas permeable lens. The fluorescein pattern should show an alignment fit. Corneas with more than 3 diopters of corneal cylinder are counter-indicated.
You may want to check out more software, such as E2Lab - Eternity II Puzzle Editor And Solver, ARK for IIS - ARKIIS or AlphaPlugins Digitalizer II, which might be similar to PresbyLite II.
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