No. Contacts stick to your eye, and glasses lenses are an inch from your eye, so the powers are going to be different. My contact prescription is -6 and my glasses prescription is -7.25--a substantial difference.
No. The diopter value (strength) of the lens might be the same, but contact lens prescriptions also include a base curve to match the shape of the individual eyeball, and also possibly a lens...
You don't. The optometrist has to do a contact lens evaluation and fitting. Contact lenses Rx's are done separately,not to be mistaken for routine exam. Most insurances don't cover contact lens...
This cannot be done for a few reasons.
1 depends whether its a soft and a RGP lens.
2 prescriptions generally over +4 or -4 needs to be adjusted due to the vertex distance ( distance between the...