Contact Lens To Glasses Conversion Chart
Contact Lens To Glasses Conversion Chart. If this figure is negative, then you'll be converted to the figure on the left of this column. The 'glasses lens power' column refers to the power on your current glasses prescription.
For reading only glasses, you just need to combine the Add and Sph prescription. Use our Spectacle Conversion Calculator* to convert a patient's prescription for glasses to the corresponding contact lens parameters. * The calculator is designed to help eye care practitioners. The tools and contact lens calculators below* are designed to help you maximise fitting effectiveness, patient care and practice efficiency.
Contact Lens Spectrum® is the most respected source of clinical contact lens information for optometrists, opticians and ophthalmologists.
It is not a substitute for a professional contact lens fitting by a qualified eye care practitioner.
I know what you're thinking… yes I should just go to get real measurement. We convert currencies, units of measurement, and we software to convert complex digital files from one format to another.. This method works great in a clinical/practical setting when you don't have a calculator and you need to quickly determine a working contact lens prescription from the patient's spectacle prescription.
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Cheryl Mckenzie
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