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is it okay to use 2 glasses of different prescriptions

A 36-year-old member asked:
Dr. David Kira
20 years experience Ophthalmology
Sure: Many of our patients cannot tolerate bifocals or have a need for computer glasses and wear multiple pairs - no harm done.
Dr. Rebecca Dale
20 years experience Ophthalmology
Yes: Some patients have several different glasses for different situations (e.g. Driving vs computer vs very close work such as needlepoint). If the glass ... Read More
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A 44-year-old member asked:
Dr. Tim Conrad
33 years experience Ophthalmology
No: However it may cause of short period of disorientation when you first change them.
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A 35-year-old member asked:
Dr. Tim Conrad
33 years experience Ophthalmology
Non-adaption: Many people need to adapt to a new glasses prescription. Wearing your old glasses will signficantly delay or prevent this adaptation.
A 44-year-old member asked:
Dr. Howard Pomeranz
27 years experience Ophthalmology
Lens prescriptions: Contacts sit directly on the cornea. Glasses are in front of the cornea and therefore the power of the two differ in focusing an image on the retina.
A 45-year-old member asked:
Dr. Tim Conrad
33 years experience Ophthalmology
Depends: If you have double vision when you don't wear your glasses with prism, then you will have it with contact lenses. If double vision is not a problem f ... Read More
A 36-year-old member asked:
Dr. Tim Conrad
33 years experience Ophthalmology
It can: Contact lenses do not correct for ocular misalignment like prism glasses can. If you need prism to avoid discomfort, then contact lenses are not a go ... Read More
A 39-year-old member asked:
Dr. Howard Pomeranz
27 years experience Ophthalmology
Distance from cornea: Contacts sit directly on the cornea so their magnification power is different than lenses in glasses that are in front of the cornea.
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A 40-year-old member asked:
Dr. Benjamin Chun
27 years experience Ophthalmology
Yes: Contact lens also has size of size of cornea, in addition to power. That's why contact lens have to be 'fitted'. The power may differ also, if the ... Read More
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A 38-year-old member asked:
Dr. David Kira
20 years experience Ophthalmology
Yes: It is due to a differing vertex distance or where the corrective lens is placed in relationship to the corneal surface - this is normal.
A 26-year-old member asked:
Dr. Andrew Shatz
25 years experience Ophthalmology
Yes: Especially if you are very nearsighted or farsighted, your contact lens and glasses should have different prescriptions. The optics behind this phenom ... Read More

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