Synchrony Accomodative Lens- Just One Diopter

April 6, 2009

The Synchrony lens is a complicated, but ingenious piece of equipment- a double lens implant connected by adjustable “pistons”, where one lens is a high minus and the other is the plus lens. The plus lens moves back and forth to generate accomodation. The ability of engineers to design such a lens that can fit into a shooter is really something. But I recently read in one of the throwaways that after two years, the best the patients could muster is one diopter of accomodation. And that’s the average- that means plenty are doing less (and plenty doing some more). It’s frustrating that such a marvel of engineering still can’t deliver the “holy grail” of at least three diopters.

 

 

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4 Responses to “Synchrony Accomodative Lens- Just One Diopter”

  1. Cataract Guy on September 24th, 2009 11:56 am

    I have read the same thing. It is a shame because cataract surgery is so common and both Crystalens and now Synchrony seem to be coming up short (in my non medical opinion)

    Any word yet on NuLens (Israel)?

  2. ari weitzner on September 24th, 2009 4:55 pm

    nothing lately, but last i heard, things looked promising.

  3. Carol Kern on February 18th, 2010 1:56 am

    I recently had cataract eye surgery on both eyes. I was suppose to see far away with both eyes. They put the AMO Model# Z9002. The right eye is set with a diopeter o20.5D and is set to infinity. My left eye is set with a diopter of 21.0D and is set to only 7 feet. Are both eyes suppose to have the same diopter settings to see far away. My question is. Did they give me the wrong lens in the left eye to see far away?

  4. ari on February 18th, 2010 5:46 pm

    The lens power is often different from one eye to another. The computer program that determines the correct power is not perfect, and if one eye is focused at 7 feet, that is quite accurate, even though you may not be satisfied- sorry about that. But understand the surgeon did nothing wrong. If you are unhappy, some patients touch up with lasik.

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