How To Convert Eyeglass Prescription To Contact Lens. Hold a ruler in front of the person to be measured and have them look straight ahead. 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.
If you would like to order single vision glasses for far distance only, just simply leave off the add strength and use the bigger pd (distance pd) 64mm. My eyeglasses prescription is 250, but i just wanna know what my contact lens prescription will be. Is it possible to convert eyeglasses prescription to contact lenses prescription without going to the optometrist?
As a contact lens comes in direct contact with the cornea, which is the clear covering over the front surface of the eye there are additional measurements needed for fitting a contact lens and these need to be included in the prescription.
The difference between an eyeglass prescription and a contact lens prescription is how close the lens is to your eyes. We automatically perform this conversion if the prescription you enter is written with a positive (+) cylinder, but if you would like to get the conversion of your positive. However, with the contact lens prescription, it is hard to know what the eyeglass prescription can be. As a contact lens comes in direct contact with the cornea, which is the clear covering over the front surface of the eye there are additional measurements needed for fitting a contact lens and these need to be included in the prescription.