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Eye care professionals: Use this ToriTrack calculator plus your fitting process to find the right contact lenses for astigmatic patients.
Calculator: Spectacle Rx to Contact Lens Rx & Spherical Equivalent. Tip. A calculator to quickly and easily convert spectacle Rx to a contact lens Rx and its spherical equivalent.
Mar 11, 2024 · Easily determine the correct contact lens power with our user-friendly Contact Lens Vertex Calculator. Follow the simple steps below for a seamless experience. Input your current spectacle prescription. Enter the vertex distance (distance between the cornea and the lens).
May 19, 2024 · The formula for calculating contact lens vertex correction is as follows: \ [ Fc = \frac {F} {1 - xF} \] where: \ (Fc\) is the corrected lens power in diopters, \ (F\) is the original lens power in diopters, \ (x\) is the change in vertex distance in meters. Example Calculation.
Contact Lens Virtual Consultant. Lens Power. Convert spectacle refraction to initial lens power recommendations for our soft lens products. Content: Spectacle/Eyeglass Prescription. Vertex Distance (mm)
Simple online tool to compensate lens power for changes in back vertex distance. Often used to calculate the power of a contact lens given the spectacle Rx. Back Vertex Distance Compensator by Gareth Cooper
Convert your patient’s spectacle prescription to a sphere, toric, or multifocal contact lens prescription with the MyAlcon FittingHub calculator. TRY IT NOW.
