Our website provides a free download of DioRad 4.0. The most popular versions of the DioRad are 4.2 and 4.0. This free software is an intellectual property of EZ-Zone Software Ltd. The program relates to Education Tools. Diorad.exe is the common file name to indicate this program's installer.
From the developer:
It is a free optical calculator tool for opticians, optometrists and ophthalmologists and lab technicians. Use it to do all your diopter to radius conversions. Calculate lens power at different vertex distances. Calculate manifest over refraction even with cross cylinders. Use it to calculate contact lens power and toric lenses as well. Calculate lens transposition at any time. No need for diopter conversion tables or charts.
You may want to check out more software, such as Maxima and Minima, DAC Express or IUCLID5, which might be related to DioRad.