trifocals in A Sentence

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    Bifocals contain two lens powers; Trifocals have three.

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    Bifocals consist of two lens powers; Trifocals have three.

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    Bifocals have two regions of optical power, Trifocals have three.

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    4

    The visible lines in bifocals and Trifocals are points where there's an abrupt change in lens power.

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    Because of their advantages over bifocals and Trifocals, progressive lenses have become the most popular multifocal lenses for anyone with presbyopia who wears eyeglasses.

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    6

    These lenses have many advantages over bifocals and Trifocals, because they enable the owner to focus at different distances, not just two or three.

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    7

    These lenses have many advantages over bifocals and Trifocals because they allow the wearer to focus at many different distances, not just two or three.

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    8

    And progressive lenses or Trifocals, although they provide some help for intermediate vision, usually don't have a big sufficient intermediate zone for snug computer work.

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    9

    And progressive lenses or Trifocals, though they offer some help for intermediate vision, often don't have a large enough intermediate zone for comfortable computer work.

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    10

    And progressive lenses or Trifocals, though they provide some help for intermediate vision, typically don't have a large enough intermediate zone for comfortable computer work.

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    11

    And progressive lenses or Trifocals, though computerphile they offer some assist for intermediate vision, often do not have a big sufficient intermediate zone for snug laptop work.

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    Progressive Lenses: These lenses have many advantages over bifocals and Trifocals because they allow the wearer to focus at many different distances, not just two or three.

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    13

    Progressive lenses, in some cases called“no-line bifocals,” get rid of the noticeable lines of conventional bifocals and Trifocals and hide the fact that you need reading glasses.

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    14

    Progressive lenses, on the other hand, have many more lens powers than bifocals or Trifocals, and there's a gradual change in power from point to point across the surface of the lens.

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    15

    Instead of having simply two or three lens powers like bifocals or Trifocals, progressive lenses are true“multifocal” lenses that supply a smooth development of many lens powers for all seeing distances.

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    16

    Instead of providing just two lens powers like bifocals(or three, like Trifocals), progressive lenses are true"multifocal" lenses that provide a smooth, seamless progression of many lens powers for clear vision across the room, up close and all distances in between.

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    Instead of providing just two lens powers like bifocals(or three, like Trifocals), progressive lenses are true"multifocal" lenses that provide a smooth, seamless progression of many lens powers for clear vision across the room, up close and at all distances in between.

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