are bifocal contact lenses hard to get used to?
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A: You bet! Bifocal or multifocal contact lenses offer distance and near vision, as well as points in between. Although tricky to prescribe and a bit tricky to get used to, these lenses work great. During the adaptation period, patients may see glare at night, shadows and hazy vision.
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Multifocal contact lenses are designed with a gradual transition between a prescription for close reading on one end and a prescription for normal distance viewing on the other. They are very similar to progressive eyeglasses.
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Bi-weekly contacts are contact lenses you replace every other week. Also known as 2-week disposable contact lenses, bi-weekly contact lenses offer a balance between lower maintenance and comfort.
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Plan for four to six weeks to get used to them. Over time, your eyes will naturally look through the correct part of the lens, and you'll enjoy better vision because of it. ... This side effect will go away once your eyes adapt to the new lenses. Multifocal contacts also cost a little more than other types of lenses.
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Multifocal contact lenses give you added freedom over glasses and they allow you to be able to view any direction – up, down and to the sides – with similar vision. People wearing progressive lenses in glasses on the other hand have to look over their glasses if they want to view upwards or into the distance.
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Multifocal contacts offer the best of both worlds: no glasses, along with good near and distance vision. ... But because of their rigid nature, GP multifocal contacts require some adaptation and are more comfortable if you condition your eyes by wearing the lenses every day.
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There are no hard and fast rules. But, in general, aspheric multifocal contact lenses tend to work best for mild to moderate presbyopia, and concentric or segmented multifocal contacts often are more successful for advanced presbyopia.
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So, which is better: progressive or bifocal lenses? Consider this: Progressive lenses lack lines and help you see at three distances. Bifocals have lines and allow for two prescriptions and two distances.
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• It may take them three days, three months or six months to adjust and learn how to adapt to their new vision. Some patients may not ever adapt and, for them, we should be ready to exchange a multifocal or EDOF lens for a monofocal IOL.
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Like we mentioned earlier, some people believe that stick on bifocals are hard to remove but it is pretty magical at how well these come off. To remove them simply run them under hot water. No really, that's it! What makes these so versatile is that you can reuse them for whatever type of glasses you need.
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While clinically I have had patients report differences in comfort of lenses when one eye wears a spherical lens and the other a toric (typically when a toric is a prism-ballast design and the patient feels the increased lens thickness), research has shown there is no significant difference in the rate of discomfort ...
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Stereoacuity is decreased by monovision because one eye is set for distance and the other for near. Multifocal lenses, on the other hand, are associated with photic phenomena, like halos, glare, and difficulties in night driving.
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When inserting your contacts, start with the same eye every time. You'll be less likely to switch the lenses by mistake — and, yes, like your shoes, your left and right contact lenses are different.
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During the adaptation period, patients may see glare at night, shadows and hazy vision. Most patients learn to use their multifocal contact lenses within six weeks, though, and do very well with them.
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While it may not be apparent, our eyes come in different sizes, and one contact lens size doesn't fit all eyes. ... There are many brands of both hard and soft toric lenses, which are available in disposable, multifocal, extended wear and colored versions.
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These contacts accommodate multiple prescriptions on a single lens to help you see clearly at a range of distances. Bifocal contacts contain two different focal points for your distance and reading prescriptions, while multifocal contacts contain three focal points for distance, intermediate and reading correction.
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Bifocals offer only two lens strengths (and trifocals, three). So sometimes objects at a semi-close distance can be out of focus. Progressive lenses offer a much wider gradient of viewing distances. Progressive lenses may take a few extra days to get used to.