Can You Use Glasses Prescription For Contacts The difference between an eyeglass prescription and a contact lens prescription is how close the lens is to your eyes.
Can you use glasses prescription for contacts You are entitled to a copy of both your glasses and contact lens prescriptions.
Can you use glasses prescription for contacts. The numbers on your glasses prescription serve as the basis for your contact lens prescription. Once you ve used a vertex distance conversion chart to convert a glasses prescription to contact lenses the following things should be done to confirm the results. Contact lens and glasses prescriptions are not the same. If you are using your glasses prescription to order contact lenses online you may be ordering the wrong power in your contacts which can lead to blurred vision eyestrain and headaches.
A glasses prescription is not the same as a contact lens prescription. This becomes significantly different with prescriptions of 4d or greater. In essence your contact lens prescription is a modified version of your glasses prescription. A contact lens must match the size and shape of your eye.
You can do the same for astigmatism correction though it only becomes relevant if the glasses astigmatism is at least 0 75 to 1 diopters otherwise combine cylinder and spherical from the glasses prescription for the contact lens. It is modified using mathematical formulas industry conventions as well as a certain amount of trial and error. It is illegal for your doctor to withhold your prescription from you. You can request a copy of your glasses prescription at the conclusion of your comprehensive eye exam.
Give the contact lenses a couple of minutes to settle in. Glasses sit slightly away from your eyes and contact lenses sit directly over your eye so two different tests and measurements are required. So a 4 00 glasses prescription is roughly equal to a 3 75 contact lens prescription. It is very important when ordering contact lenses online to do so using a contact lens prescription.
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