Multifocal Lens (IOL)
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YouTubeEyeSmart — American Academy of Ophthalmology
Multifocal Lens (IOL)
Multifocal intraocular lenses use specially-designed circular focal zones or rings on the surface of the lens. Depending on where the light rays are focused through the different zones or rings, you may be able to focus well at both near and distance. Learn more about multifocal IOLs with cataract surgery at http://www.geteyesmart.org.
29.8K viewsDec 3, 2010
Bifocals History
Benjamin Franklin invented bifocals out of diplomatic necessity. | The History Page
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Benjamin Franklin invented bifocals out of diplomatic necessity. | The History Page
FacebookThe History Page
59.8K views6 months ago
Benjamin Franklin was one of historys greatest inventors who created bifocals, the lightning rod and swim fins but never patented any of his discoveries. He believed that seeking patents would lead to disputes and bitterness. Instead, Franklin chose to share his inventions freely with the public, aiming to improve life for everyone. His approach reflected a commitment to the free exchange of knowledge and a quiet generosity that favored societal progress over personal gain. | The History Page
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Benjamin Franklin was one of historys greatest inventors who created bifocals, the lightning rod and swim fins but never patented any of his discoveries. He believed that seeking patents would lead to disputes and bitterness. Instead, Franklin chose to share his inventions freely with the public, aiming to improve life for everyone. His approach reflected a commitment to the free exchange of knowledge and a quiet generosity that favored societal progress over personal gain. | The History Page
FacebookThe History Page
51.1K views7 months ago
Benjamin Franklin invented bifocals not for convenience but for high-stakes diplomacy. | History Vault
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Benjamin Franklin invented bifocals not for convenience but for high-stakes diplomacy. | History Vault
FacebookHistory Vault
18.8K views5 months ago
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