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How do continuously variable lenses treat presbyopia?

Continuously variable, or progressive, lenses are not divided into sections. They enable vision at all distances through a smooth transition. Rather than having two discrete sections of the lens for two different distances, they favor distance vision at the top, close vision at the bottom, and everything else in between.

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Presbyopia: Correcting Age-Related Vision Loss
Presbyopia: Correcting Age-Related Vision Loss
Sometime around of after age 40, many people notice that it is getting more difficult for their eyes to focus on nearby objects. For many, the first s...
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What causes pink bubbles on the whites of the eyes?
Lee R. Duffner, MDLee R. Duffner, MD
The elevated pink areas on the nasal sides of the whites of the eyes are named pterygia. A pterygium...
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What causes the whites of the eye to appear yellow?
Lee R. Duffner, MDLee R. Duffner, MD
The most common cause of a yellow cast to the whites of the eyes is thickening of the clear memb...
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How Does Personalized Medicine Play Into Ophthalmology?
How Does Personalized Medicine Play Into Ophthalmology?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.