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Thread: Let's talk about your eyeballs ...

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    Nimitz's Avatar
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    Default Let's talk about your eyeballs ...



    Ok, conventional wisdom says that if you wear corrective lens that you would be better off not using progressive lens; ie: just single vision glasses or regular bi focals. So this brings up a few questions:

    1. Does this hold true for wearing contacts as well? Don't use progressives, just single vision ones?

    Given that I have an astigmatism, I can't get away with observing without corrective lenses but there are options so I'm wondering what folks experiences are here ...

    option 1: progressive contacts don't have the same issues as progressive glasses so its perfectly good to just wear progressive contacts - problem solved. (This is a question by me not a statement of fact and what I'm currently doing BTW)

    option 2: Since I own Televue EPs, get the Dioptrix corrector & forgo wearing any contact in my right eye.

    I would go with option 2 in a heartbeat except that not ALL my EPs can use the Dioptrix, for my KK & UO Orthos I will need astigmatism correction via either progressive contacts or glasses. Taking contacts on & off in the dark seems like a really good way to loose said contacts the very first night I try this and I'm concerned about eye relief with glasses for the EPs where I can't use a Dioptrix corrector ...

    I'll probably have to break down & buy a Dioptrix corrector and compare views with it vice my current progressive contacts to see if there is a real difference but I'm curious if anyone has already done this little experiment?
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    Default Re: Let's talk about your eyeballs ...

    I am astigmatism free so I can't help. I do observe both with and without contacts or glasses in all combinations. My eyeglasses are progressives and I can manage well enough on long ER eyepieces. My contacts are simple corrected for distance only and I supplement them with mid and short range readers.

    Everything works, it's just a matter of convenience at the moment.

    Whether you need astigmatism correction with a short KK ortho is not certain. You might be OK on smaller portions of the field.
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    Default Re: Let's talk about your eyeballs ...

    Hello Nimitz,

    I can't help much, as I am wearing the reading glasses, just for reading.
    Otherwise, I am living with my eyeballs as they are, saving the costs the Scottish way.

    There is one issue to point out.
    When you order in the U.S. the Zeiss contact lenses in good belief you get the ZEISS with the blue capital letters, then you get them from the plant in Mexico. ZEISS is just the wrap.

    My wife has ordered glasses at the family-owned Leibig optician in Nürnberg, to be made by Rodenstock Germany, and the price has been as much as what I have payed for my 2nd hand 82mm Leica APO Televid.
    For testing her eyes, the cost (not covered by the medical insurance) has been as much as for a pair of KK Fujiyama orthos.

    Sorry for not offereing a better choice,

    JG
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    Default Re: Let's talk about your eyeballs ...

    Haha... I had to laugh at measuring the costs of an eye exam in Astronomy related terms

    My eyes are pretty bad with the galcoma in the left eye getting worse and worse. I recently had to start to learn to use my right eye as I typically used the left for viewing.

    I usually take my glasses off but I am hoping a longer relief ep will let me use them as it should help. I do wear progressives but never had an issue at the ep other than the eye relief issues.
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    Default Re: Let's talk about your eyeballs ...

    Hmmmm ... Maybe conventional wisdom is wrong ...😳

    Since my vision is corrected to 20/20+ with my contacts I never thought much about it until I read the piece about progressive lenses giving a somewhat lesser view than non progressive lenses ... The difference, while measurable, may not even be noticeable by me ....

    The other question is , does the Dioptrix corrector really provide better 'seeing' than using glasses or contacts that correct for astigmatism as televue marketing claims?

    I wish I had a pair of non progressive lenses so I could do a simple test and tell very quickly whether this was a real issue or not ...

    It would also be nice to discover that I didn't need any astigmatism correction with the orthos ..
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    Default Re: Let's talk about your eyeballs ...

    Quote Originally Posted by Nimitz View Post
    Hmmmm ... Maybe conventional wisdom is wrong ...í*½í¸³

    Since my vision is corrected to 20/20+ with my contacts I never thought much about it until I read the piece about progressive lenses giving a somewhat lesser view than non progressive lenses ... The difference, while measurable, may not even be noticeable by me ....
    I don't notice it and I'm a fussy observer. YMMV though.

    The other question is , does the Dioptrix corrector really provide better 'seeing' than using glasses or contacts that correct for astigmatism as televue marketing claims?
    I think it is a YMMV question. Very mild astigmatism might not experience much benefit from Dioptrix according to rumors I've heard. Folks with more severe astigmatism swear by it.

    I wish I had a pair of non progressive lenses so I could do a simple test and tell very quickly whether this was a real issue or not ...

    It would also be nice to discover that I didn't need any astigmatism correction with the orthos ..
    Part of the fun of the hobby, for me, is testing to see what works. Try the orthos and see what you think......
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    Default Re: Let's talk about your eyeballs ...

    I know that I've never noticed stars being anything but nice sharp points of light so I tend to agree it may not noticeable ...

    My astigmatism is only a -1.0 so its pretty mild ....

    One of the first things I'll do when I get my new scope is try using my Orthos without contacts & with to see if I notice anything .... maybe I'll also get lucky and find someone in my club who has a Diotrpix since I know several have Televue EPs and save the hassle of buying one only to discover it doesn't do much for me ....
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    Default Re: Let's talk about your eyeballs ...

    Quote Originally Posted by Nimitz View Post
    I know that I've never noticed stars being anything but nice sharp points of light so I tend to agree it may not noticeable ...

    My astigmatism is only a -1.0 so its pretty mild ....

    One of the first things I'll do when I get my new scope is try using my Orthos without contacts & with to see if I notice anything .... maybe I'll also get lucky and find someone in my club who has a Diotrpix since I know several have Televue EPs and save the hassle of buying one only to discover it doesn't do much for me ....
    Dioptrix has to be tailored to your prescription, doesn't it? So what works for one individual won't for another, is my understanding....

    Tele Vue Optics: DIOPTRX™

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    Default Re: Let's talk about your eyeballs ...

    At age 61 I suffer from eye maladies. I am getting cataract surgery on June 7th on my right eye. I am getting an artificial lens that will be focused on infinity. This will end my lifelong myopia in that eye. Shortly thereafter I will have an identical lens put into my left eye. Cataracts are a very common malady.

    In addition, my left eye has a "freckle", a growth behind the retina. I am having it tracked over time to see if it is malignant.
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    Default Re: Let's talk about your eyeballs ...

    Yeah I do need to find someone who has a -1.0 so probably not one of my better cunning plansí*½í±»
    Intercepting & temporarily inconveniencing light photons as they travel through the universe since 1989
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