How to convert eyeglass prescription to contact lens with no doubt

However, with the contact lens prescription, it is hard to know what the eyeglass prescription can be. Is it possible to convert eyeglasses prescription to contact lenses prescription without going to the optometrist?

You will need to have this prescription measured by an optometrist to get the exact power difference, as various factors will affect your prescription. The difference between an eyeglass prescription and a contact lens prescription is how close the lens is to your eyes. The lens power is different as you move a lens further from the eye and the numbers will be different in a contact and glasses prescription beginning around 4.00 1.

I want to order some colored contacts online with prescription.

Vertex distance convsersion chart for converting eyeglass prescription to contact lens to use a vertex conversion chart, the sphere number on the glasses prescription is looked up in the middle column, and if there is a ‘minus sign’ in front of it, the conversion is on the left, if there is a ‘plus sign’ in front of it, the conversion is on the right. A typical prescription would look like this: Your glasses sit several millimeters away from your eye, while a contact lens (placed directly onto your eye) will be slightly weaker 1. However, this will depend on the curvature of the back surface of the contact lens and the amount of spherical correction for myopia or hyperopia.