Can I Get Bifocals with Different Prescriptions for Each Eye? - Ophthalmology

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Can reading glasses be prescribed with one lens for intermediate distance and the other for near distance?


Hello, Director Gao! I completed cataract surgery earlier this year.
My left eye has no residual prescription (for watching TV and distance vision), while my right eye has a residual myopia of -1.00 diopters (for mid-range tasks like housework).
I usually don't need to wear glasses for distance or mid-range vision, which is quite convenient.
Regarding reading glasses, since the computer is at mid-range and the keyboard and documents are at close range, I would like to know if I can have my reading glasses prescribed with the left eye for mid-range and the right eye for close range? The left eye (no residual prescription) would require +1.50 for mid-range computer use at about 60-70 cm.
The right eye (with a residual myopia of -1.00 diopters) would require +1.50 for close-range use at about 40 cm for the keyboard and documents.

Greg, 60~69 year old female. Ask Date: 2022/04/13

Dr. Gao Pilin reply Ophthalmology


Hello Greg: If you can adapt, this is acceptable.
You can try buying a pair of +1.50 glasses first.

Reply Date: 2022/04/13

More Info


Yes, you can definitely get bifocals with different prescriptions for each eye. This is a common practice, especially for individuals who have undergone cataract surgery and have different visual needs for each eye. In your case, since your left eye is set up for distance vision and your right eye is for near vision, it makes sense to customize your bifocal lenses accordingly.

Bifocal lenses are designed to provide two different optical powers in one lens, allowing you to see clearly at different distances without needing to switch glasses. In your situation, you can have the upper portion of the bifocal lens designed for your left eye to accommodate the intermediate distance (for computer use, approximately 60-70 cm), while the lower portion can be tailored for your right eye to assist with near vision tasks like reading documents or typing on a keyboard (approximately 40 cm).

When you visit your optician or eye care professional, make sure to communicate your specific needs clearly. They will take precise measurements of your pupillary distance and the heights at which you typically look through your lenses for both intermediate and near tasks. This will ensure that the bifocal segments are positioned correctly for optimal visual comfort.

It's also worth noting that since your left eye does not have a pre-prescribed power, the addition of +1.50 for the intermediate distance should work well for your computer use. The right eye, which has a -1.00 prescription for distance, will effectively become a -0.50 for near tasks when you add the +1.50 for reading or close work. This customization allows you to have a seamless transition between different visual tasks without the hassle of switching glasses.

In terms of comfort, many people find that having different prescriptions in bifocals can take some time to adjust to, especially if you are not used to wearing bifocals. It’s essential to give yourself time to adapt to the new lenses. If you experience discomfort or difficulty adjusting after a reasonable period, don’t hesitate to return to your eye care provider for further adjustments or to discuss alternative options, such as progressive lenses, which provide a more gradual transition between different focal lengths.

Lastly, ensure that your eye care professional is aware of any other visual issues you may have, such as glare sensitivity or any residual effects from your cataract surgery. This information can help them provide the best possible solution tailored to your needs.

In summary, yes, you can have bifocals with different prescriptions for each eye, and it sounds like a practical solution for your specific visual requirements. Just make sure to communicate your needs clearly to your optician, and be patient as you adjust to the new lenses.

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