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Thread: Hoya CD, just got a pair.

  1. #1
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    Hoya CD, just got a pair.

    I got my first pair of Hoya CD lenses today. My distance correction is about a
    -2.50 and my add is a +2.00. My lenses are fit at 17.

    There is enough reading and the lenses are not swimmy. I do notice that my straight ahead vision is slightly less clear unless I tip my head down ever so slightly. I have heard this from patients many times over the years(I am sure I am not the only one) but this is the first time I noticed it myself. They are not fit too high.

    I think I will drop this lens a mm when fitting it. Does anyone else notice this with this lens?

  2. #2
    One eye sees, the other feels OptiBoard Silver Supporter
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    I've been using the Summit CD because it's the only short corridor PAL made in Trivex. Real nice lens for small lightweight frames like the Silhouette drill mounts. If Shamir would put the Piccolo/Trivex on the market I would use that too.

    I haven't had a problem with distance vision on any of the PALs designs from the last 5 years or so. I put the fitting cross central pupil: clients are getting the sharpest far vision (standing) in a relaxed straight ahead gaze.

    However, the shorties are going to have a little more plus power in the pupil zone than standard PALs, and it might take a day or so for the brain to learn how to deal with the crappy... I mean complex optics.

    Regards
    Science is a way of trying not to fool yourself. - Richard P. Feynman

    Experience is the hardest teacher. She gives the test before the lesson.



  3. #3
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    I was comparing this lens to some Varilux Panamics I have. The add in the Panamic is +1.75 and the add in the Hoya Summit CD is +2.00. The side vision in the top of the Panamic is MUCH better then in the Hoya. I can turn my head and see something clearly very well in the Panamic. In the Hoya if I turn my head even slightly it blurs.

  4. #4
    Old Optician to New OD Aarlan's Avatar
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    Quote Originally Posted by Happylady
    I was comparing this lens to some Varilux Panamics I have. The add in the Panamic is +1.75 and the add in the Hoya Summit CD is +2.00. The side vision in the top of the Panamic is MUCH better then in the Hoya. I can turn my head and see something clearly very well in the Panamic. In the Hoya if I turn my head even slightly it blurs.
    The panamic is not a true short corridor lens, so to compare the two is unfair (18mm minimum to 14mm minimum). Of course the side vision in the panamic should be better...If not there would be problems.

    However, how does the CD compare with the Ellipse? Both are 14 mm minimum according to their manufacturers. I would be curious to see how these two lenses stack up against one another.


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  5. #5
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    I have heard the Ellipse has pretty good side vision in the top but I haven't personally tried it. When they were designing the Ellipse they found that the distance vision being good was more important to most people then a wider reading area.

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    The Hi-End PALs Specialist Bobie's Avatar
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    Summit CD vs Varilux Ellipse

    Varilux Ellipse is total better than Summit CD in every frame and in every fitting height.

    Summit CD can compare with Kadak Concise or AO Compact if fit at 17mm in frame that total high 26 mm,
    but if fit at 14 mm in 23mm frame's height , then Summit CD will have more reading area than Concise and Compact.

  7. #7
    Old Optician to New OD Aarlan's Avatar
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    Quote Originally Posted by Bobie
    Varilux Ellipse is total better than Summit CD in every frame and in every fitting height.

    Summit CD can compare with Kadak Concise or AO Compact...
    I haven't tried the Ellipse on any paitients yet... I'll have to try it out.
    I have had little success with AO Compact. CD seems to work better than the Compact.

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    Master OptiBoarder spartus's Avatar
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    I use the Ellipse sparingly. I still feel it's a compromise for the patient, and I'd rather get them into something with a little more room, but the response has been pretty overwhelmingly positive, even with people who have previously worn more conventional PALs. I have noticed that you get better results if you fit it just the tiniest bit low--.5 to 1 mm makes all the difference.

  9. #9
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    Quote Originally Posted by spartus
    I use the Ellipse sparingly. I still feel it's a compromise for the patient, and I'd rather get them into something with a little more room, but the response has been pretty overwhelmingly positive, even with people who have previously worn more conventional PALs. I have noticed that you get better results if you fit it just the tiniest bit low--.5 to 1 mm makes all the difference.
    Do you fit it at the bottom of the pupil? I do feel that I need to slightly tip my head down with my Hoya CD lenses. They would be better a mm lower.

  10. #10
    Master OptiBoarder spartus's Avatar
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    Very generally speaking, seg-wise, I usually go with the round number that's just a tiny bit higher than bottom pupil and round down 1 mm. I guess that's sort of bottom pupil. What I'm starting to think about Ellipses is that they really want to be set at bottom pupil, less about .5 mm.

  11. #11
    The Hi-End PALs Specialist Bobie's Avatar
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    Varilux Ellipse vs Varilux Comfort

    1. Varilux Ellipse have 85% of Addition at 9.5mm

    2. Varilux Panamic and Varilux Panamic have 85% of Addition at 12mm

    3. Kodak Concise have 85% of Addition at 11 mm

    4. I agree to fit Varilux Ellipse lower 0.5 mm for wearer who get used to Varilux Panamic ,Varilux Comfort , Shamir Piccolo and Kodak Concise.

    5. I recommended to fit Varilux Ellipse in centre of pupil for wearer who get used to Summit CD.

    6. I recommended to fit Varilux Ellipse lower 1.0 mm for wearer who get used to any PALs that have 85% of Addition at 14mm or longer like Hoyalux Summit pro , Varilux Expert , Essilor Adaptar , Sola Percepta , Rodenstock Progressiv AT , Rodenstock Progressiv Life2 , Varilux Liberty , Essilor Super No-line , Essilor Ovation , Essilor Natural , AO Pro 16 , Zeiss Gradal 3 , Zeiss Gradal Top , Nikon Go , Nikon Previlege , Rodenstock Multigressiv ILT , Rodenstock Progressiv SI , Seiko Supremacy , SOLAOne , Shamir Genesis , Hoyalux GP Wide.

    7.At fitting height 17 mm , Varilux Comfort and Varilux Ellipse are equal in overall performance.

    8. At fitting height 16 mm , Varilux Panamic and Varilux Ellipse are equal in overall performance.

    9. At fitting height 15 mm , Rodenstock Impression ILT XS and Varilux Ellipse are equal in overall performance.

    10. At fitting height 14mm , Varilux Ellipse is the best.
    " Life is too short to limit your vision"


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    :cheers:

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    Rising Star GoodAsGold's Avatar
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    Question Compare Varilux Ellipse to Hoya CD

    I would like to know this, too. I was all set to get Varilux Ellipse since I've worn Varilux for the past 10 years. Today, however, a local optician told me he swears by Hoya CD. He really likes the lab where he sends his work. Very reliable. He said that he hasn't any problems with adaptation with the Hoya CD. But then I hear that about Varilux, too. I'll probably stick to what I'm originally getting (Ellipse.) Just a thought, though. And curious to see how the two brands compare.

    Quote Originally Posted by Aarlan
    However, how does the CD compare with the Ellipse? Both are 14 mm minimum according to their manufacturers. I would be curious to see how these two lenses stack up against one another.


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  13. #13
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    I have never tried the Ellipse. I had my Hoya CDs remade into the Physio. With the CDs if I turned my head even a little the distance blurred. I noticed I was wearing a progressive. My Physios are much better.

    I have heard that the Ellipse is better at distance then the CDs. I haven't sold the CD since I got mine.

  14. #14
    The Hi-End PALs Specialist Bobie's Avatar
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    Super Short Corridor

    I would like to name Hoyalux Summit CD & Varilu.Ellip.. that " Super Short Corridor " ( In Thailand , I not have the permission to call any name of all product from Essilo... , if I call their name , my member and me will get big problem ).

    Super Short Corridor PALs means to any PALs that have 85% of Addition shorter than 11.1 mm that cannot be real soft-design.

    The most weak point of Super Short Corridor are at below ;
    1. The intermediate zone is very poor for computer.

    2. The vision field of distance zone is like hard-design PALs , that have very poor pheripheral vision at all distance.

    3. The comfort of vision is very poor from Astigmatism Error around the intermediate and near zone.

    4. The dynamic vision is very poor.

    5. The adaptation cannot be fast or instant adaptation.

    6. The near vision is like a spot when read the newspaper.

    If the wearer would like to going for small frame , I recommended Rodenstock Impression ILT XS that have recommended minimum fitting height at 16 mm and need far vision only 6 mm from the fitting point to the top of the frame , then you can fit ILT XS in 22 mm total frame height and will much better than Summit CD & Varilu...Ellip... in every point.

    In Thailand , Rodenstock Impression ILT XS have full satisfaction guaranteed for 90 days in term of conditions " Just Don't Like ". This guaranteed means ILT XS is better than every PALs in every customer. If the customer have the very expensive PALs like Varilu... Ipse... or Hoyalux iD or any most expensive PALs , then switch to ILT XS , if ILT XS is not better , the customer can refund 100% without any question and the optik shop have to send this ILT XS back to Rodenstock and order new ILT XS for new customer with free of charge.

    Repeat , I and my member in APC never believe in information from PALs's Company , but we believe in our customer and we always listen to them.
    When we found the weak point or the problem of any PALs from our customer , we will report to PALs's Company , but in Thailand , they never listen to us , they just protect their product and try to shut down our website www.apcthai.com .

    Someday I hope , we will have freedom like you to discuss about PALs like OptiBoard Discussion Forums.
    " Life is too short to limit your vision"


    ISOPTIK : The Hi-End Eyeglasses Centre
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    :cheers:

  15. #15
    Master OptiBoarder optigrrl's Avatar
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    I don't have an RX, so I have to try lenses on people I know. Just for fun, I fit a friend of mine with an Elipse, CD and Piccolo CR 39, same frames (he's a frame rep - has a favourite in 3 colors!), same segs to do a sort of comparison of the three:

    RX:

    OD -.25 -.50 X 153
    OS -.50 -.50 x 108
    ADD + 2.50

    Frame A = 50, Frame B = 25 Seg = 16

    He felt that the Elipse had good near but too much "swim" periphally, not enough distance and was uncomfortable but liked the piccolo and CD equally, with plenty of distance and near.

    I dispense all three, CD being my first choice because so far when I am switching patients from regular corridor styles to short ones it has had a higher adaptation rate than Elipse has had for me. So far, I have dispensed (in the past 6 months) 2 Elipse - both patients had to "get used to it", 14 CD's - no problems and 1 Piccolo - no problem.

    After reading more posts I now realize that the Elipse may need more than 9mm for the distance to be optimum. The CD and the Piccolo have performed well with a minimum of 9mm for distance.

    Of course, I always explain the trade-off for fashion with regards to a short-corridor lens selection and prequalify my patient's needs before recommending these types of progressives.

  16. #16
    The Hi-End PALs Specialist Bobie's Avatar
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    CD & Piccolo

    Dear optigirl ,

    Thank you for your information. I have some white paper of Ellip... and other PALs, if you interesting , I can sent it to you via e-mail.

    Please remember that , do not believe what PALs company say , but pay attention to your customer , because your customer always say the truth and some PALs company always protect their product in their way.

    You also can find out many PALs by yourself with Trial PALs on Trial Lenses , even you not have any Rx or any Addition.

    :cheers:
    " Life is too short to limit your vision"


    ISOPTIK : The Hi-End Eyeglasses Centre
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    Ratchaprasong , Bangkok , Thailand 10330
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    :cheers:

  17. #17
    What's up? drk's Avatar
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    Bobie:
    Few people have the interest and knowlege on progressives as you do.:cheers:

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    I appreciate all of the imput in comparisons and compromises when dealing with short corridor progressive lenses...I would be more comfortable if we compared using 100 percent of the add power...from what I am reading, it appears that when a lens reaches 85% of its addition, we are using this as the determining measure of corridor length (maybe this is why some designs are failing in shorter fitting heights) Lets use 100% of the prescribed addition and see where short corridor designs measure......

  19. #19
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    Quote Originally Posted by Happylady View Post
    I got my first pair of Hoya CD lenses today. My distance correction is about a
    -2.50 and my add is a +2.00. My lenses are fit at 17.

    There is enough reading and the lenses are not swimmy. I do notice that my straight ahead vision is slightly less clear unless I tip my head down ever so slightly. I have heard this from patients many times over the years(I am sure I am not the only one) but this is the first time I noticed it myself. They are not fit too high.

    I think I will drop this lens a mm when fitting it. Does anyone else notice this with this lens?
    I do fit a lot of Summit CD myself and I found that most of my patients need to tilt their head down slightly in order to get clear vision.
    I try to drop the fitting height a mm or 2 just in case.

  20. #20
    The Hi-End PALs Specialist Bobie's Avatar
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    Summit CD

    1. Summit CD have very narrow distance zone like triangle.
    I agree with Win C to fitting Summit CD 1 or 2 mm lower from normal fitting point.

    2. Summit CD have corridor length 10.5 mm.

    3. I like Rodenstock Progressiv Life XS more than Summit CD

    4. Rodenstock Progressiv Life XS have much better distance zone & intermediate zone.

    5. Nikon Presio i-13 is one of the best semi-finished PALs for small frame that can fit in 22 mm frame height at 16 mm fitting height.

    6. TOKAI BS-C 13 and TOKAI WS-C 13 are one of the best custom free form PALs.
    " Life is too short to limit your vision"


    ISOPTIK : The Hi-End Eyeglasses Centre
    494 ERAWAN BANGKOK 4th floor
    Ratchaprasong , Bangkok , Thailand 10330
    isoptik@gmail.com
    www.isoptik.com
    Hotline & SMS : +66 81 538-4200
    Fax. : +66 2 251-3770

    :cheers:

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