How To Convert Eyeglass Prescription To Contact Lens. It's very simple to do. The curvature of the cornea
However, the eyeglass prescription can be used in the construction of the contact lens prescription, by making allowances for the change in distance between the corrective material and the optic lens. I'm just wondering how does it work? In contact lenses, the ‘axis’ is generally only available in 10° steps.
That means that eye doctors have to determine which axis is going to give you the best vision in the contacts.
A contact lens prescription will include these two very important measurements. It is not a substitute for a professional contact lens fitting by. Easily convert a patient’s eyeglasses prescription to the corresponding contact lens parameters. The basic difference is that as the glasses rest on your nose and the lenses fit on your cornea, the distances between the eye.