In short, the answer is no! You should not convert your eye glass prescription to your contact lens prescription. Equally, you can not change your contact lens prescription to a glasses prescription.
How do I convert my glasses prescription to contacts?
No – you cannot directly convert a glasses prescription to a contact lens prescription. Equally, you cannot convert a contact lens prescription to a glasses prescription.
Can I get contact lenses with my glasses prescription?
While your glasses prescription can serve as a starting point, you will need a contact lens consultation to get the correct contact lens prescription.
Is lens power different from glasses?
In general, the prescriptive power of a contact lens will be somewhat less nearsighted than eyeglasses. So in most simple words, the power of a contact lens will be lower than the eyeglass prescription. Reason being the distance of the lenses from the surface of the eyes.
Are glasses prescription stronger than contacts?
Since eyeglasses are usually about 12 millimeters from the eye, the prescriptive power of a contact lens — which is positioned directly on the tear film of the eye — will be slightly less nearsighted. This becomes significantly different with prescriptions of 4D or greater.
Why is my glasses prescription different from my contacts?
However, contacts and glasses prescriptions are actually slightly different because of their distance from your eyes. Eyeglass lenses are placed approximately 12 millimeters away from your eyes, while contact lenses sit directly on your corneas.
Why is my vision different between my contacts and glasses?
For patients who wear glasses or contact lenses, they sometimes notice that their vision is different between the two modalities. This is especially true for people with higher prescription numbers. … The reason for this difference is that when someone wears glasses, image size is being introduced into the equation.
Why do I see better with contacts than glasses?
This means they bend light in a way that more accurately meets your prescription, and so if you switch from glasses to contacts they can appear to slightly increase your visual acuity. Another reason contacts can appear to provide better vision than glasses is the fact that glasses are exposed to the elements.
What’s the highest prescription for contacts?
What is the strongest contact lens prescription? Contact lenses can be prescribed for extreme degrees of myopia, even for those who need correction of more than -20 Dioptres. Some lenses can go over -30 Dioptres. For monthly soft contact lenses, the highest level of corrective power is about -12 Dioptres.
What prescription is legally blind?
It is important to know that the prescription for total blindness is 20/200, but that is after your eyesight has been corrected. That means if your natural eyes see at 20/200, but you can improve it to 80/200 with glasses or contacts, then you are not legally blind.