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Thread: Helicopter pilot lens

  1. #1
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    Confused Helicopter pilot lens

    I have a customer who pilots a chopper. He used to wear frames with a narrow "b" and a ST28. He leans out of his chopper to look at the ground. He used to look under his glasses, but now needs a correction for distance. I dug down into the cobwebbed corners of my brain and seem to remember a "ribbon" seg. Is that still made? Any suggestions for another lens that might work?

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    Still available from XCel in two sizes 9 22 9 25

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    Seems interesting.

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    If you can't make a ribbon seg work, you could suggest they get contact lenses corrected for distance vision, then go back to a st28, plano top, with a narrow b frame they can look under.

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    Master OptiBoarder rbaker's Avatar
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    Whats the Rx? Near vision while flying will probably be a secondary requirement so an upside down flat top fit above his distance gaze could be a consideration.

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    One eye sees, the other feels. OptiBoard Gold Supporter
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    Instead of a ribbon seg a custom Franklin seg might suffice. This could offer a wider range of lens option i.e., materials, tints, etc..

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    Quote Originally Posted by rbaker View Post
    Whats the Rx? Near vision while flying will probably be a secondary requirement so an upside down flat top fit above his distance gaze could be a consideration.
    He needs the near to see his dashboard, or so he says.

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    Hi Lensman11, Can you give me the name of a lab I can get them from? I checked a couple and was told it's been discontinued, which I'm assuming is lazy person speak for "I don't want to trouble myself to order it, price it and add it to the computer." LOL!

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    We discussed that, but he didn't want to have to lower his head that much to see his instruments, or have it obstruct his distance vision.

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    Hi
    i am currently retired so can’t give you a specific lab. The product is listed in XCel catalog as semi finished product so try calling them. Secondly contact any lab that does glass themself they would surely do business with X cel.

  12. #12
    Eyes eastward... Uilleann's Avatar
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    Remembering that avionics panels are almost always positioned higher than a dash display in an automobile. I'd have your pilot take some very careful measurements to the panel, as well as panel height in relation to his horizontal sight line when flying. Also bearing in mind, rotorcraft pilots also need clear distance vision down near their feet, so any design will need to accommodate that to a degree as well.

  13. #13
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    http://www.x-celoptical.com/

    http://www.x-celoptical.com/PDF%20fi...ide%202016.pdf

    It looks like the ribbon bifocal was still available in glass through 2019.

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