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Medical Forum / General / Vision / October 2008I need help in buying bi-focals.
I have a lazy eye and so my head is always slightly rotated a few degrees to the left. When I order the bifocal progressive lenses this permanent head position has to be factored into the bi-focal design. How can I have the amount of this rotation quantified? And how can I make the optometrist understand what I mean? Please help, Peter > I have a lazy eye and so my head is always slightly rotated > a few degrees to the left. [quoted text clipped - 6 lines] > > Please help, Peter This is not really my bag. I am not a health professional at all. I have two thoughts. Express that you think that you need PRISM because you turn your head. I do not know about progressives, but for ordinary lenses. putting in a bit of prism is the equivalent of decentering. Bill  SignaturePrivate Profit; Public Poop! Avoid collateral windfall! >I have a lazy eye and so my head is always slightly rotated a few degrees >to the left. [quoted text clipped - 6 lines] > > Please help, Peter I have a lazy eye and wear progressives, and I was not aware that such an adjustment is necessary. Are you sure about that? It seems to me that if the frame tilts along with the head, then no adjustment would be necessary. >>I have a lazy eye and so my head is always slightly >>rotated a few degrees to the left. [quoted text clipped - 13 lines] > about that? It seems to me that if the frame tilts along > with the head, then no adjustment would be necessary. No. The glasses are fixed to the head but the eyes view to the right. When I have my photo taken I have to point my nose to the camera else I seem to look to the left. Well, here's a third reply from someone who doesn't know what they are talking about. Wouldn't it be a matter of measuring your pupil while your head is turned? Then everything would fall into line. Can't wait to hear the real answer. Peter Jason schreef: > I have a lazy eye and so my head is always slightly rotated > a few degrees to the left. [quoted text clipped - 4 lines] > How can I have the amount of this rotation quantified? And > how can I make the optometrist understand what I mean? It is simple. A real optician shall mark the position of your pupil in the frame. In other words, he let you look in the far in the, for you, normal position and take notice of the position of the pupil. This can be done by making a photopicture with a special equiment. Its also done by making a mark on some cellotape. For a skilled persoon not a big deal. Jan (normally Dutch spoken) > Jan (normally Dutch spoken) We were watching a Dutch movie the other day (Zwartboek) and I was struck by the fact that it sounds like German words with almost-American pronunciation. Did you have to study German or could you understand it easily? SignatureCheers, Bev ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ "Why put fault tolerance in the OS, when it's already built into the User?" -- Steve Shaw, regarding Win95 The Real Bev schreef: >> Jan (normally Dutch spoken) > > We were watching a Dutch movie the other day (Zwartboek) and I was > struck by the fact that it sounds like German words with almost-American > pronunciation. Did you have to study German or could you understand it > easily? For the Dutch it is not that difficult to understand the German language as long as the talk is simple. Discussing and go "deeper" is more difficult when not having education in the German language or without the help of some beer. Jan (normally Dutch spoken) > The Real Bev schreef: >> [quoted text clipped - 11 lines] > > Jan (normally Dutch spoken) Sounds very much like an English speaker trying to understand American. Signature- Nic. Nicolaas Hawkins schreef: >> The Real Bev schreef: >>> [quoted text clipped - 12 lines] > > Sounds very much like an English speaker trying to understand American. Are you using a Bowers & Wilkings ? Jan (normally Dutch spoken) > Nicolaas Hawkins schreef: >> [quoted text clipped - 16 lines] >> > Are you using a Bowers & Wilkings ? Gawd, no! (and by the way, it Wilkins, not Wilkings) I'm a valve man from way back. I have a Leak. (En geen heldere opmerkingen!) - - Nic. Nicolaas Hawkins schreef: >> Nicolaas Hawkins schreef: >>> [quoted text clipped - 17 lines] > > Gawd, no! (and by the way, it Wilkins, not Wilkings) I'll stand correct, stil each of my two B&W DM6 sounds as a king. > I'm a valve man from way back. Since my Quad it is English transistors that I speak. > I have a Leak. (En geen heldere opmerkingen!) Kan het niet laten, ik ook na een paar heerlijk heldere Heineken. BTW, an other exellent English speaker. Jan (normally Dutch spoken) Electrical Note: Hisgorical clarification: In the USA a "Valve" is called a "Tube", as in "Radio Tube". Enjoy, > Nicolaas Hawkins schreef: > [quoted text clipped - 35 lines] > > - Show quoted text - > Electrical Note: > [quoted text clipped - 4 lines] > > Enjoy, Who gives a flying stuff WHAT it is called in the USA??!! I am in New Zealand. Jan is in the Netherlands. Therefore neither of us us in the USA. *PULL YOUR WOOLLY BLOODY HEAD IN, you old goat!* Signature- Nic. ... You just wasted another excellent opportunity to mind your own business and remain silent! Nicolaas Hawkins <grumpy.mole@t.large> wrote in part: > Who gives a flying stuff WHAT it is called in the USA??!! If you decry explanations of English-dialect, please never complain when obscure US-dialect is used. Unless you _like_ being a chauvinist, yet even then you cannot object if others are. > Therefore neither of us us in the USA. So? You two are not the only ones reading USENET! -- Robert >Nicolaas Hawkins schreef: >> [quoted text clipped - 21 lines] > >I'll stand correct, stil each of my two B&W DM6 sounds as a king. Mostly English here also- B&W 705's driven by Rogue (USA) tube amps. Sources are Rega for the turntable and CD player. Robert > The Real Bev schreef: >> Jan wrote: [quoted text clipped - 9 lines] > Discussing and go "deeper" is more difficult when not having education > in the German language or without the help of some beer. :-) I've noticed that my French improves considerably after a bit of strong drink. SignatureCheers, Bev ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Todd Flanders' hobbies include being quiet on long rides, clapping to songs and diabetes. > Peter Jason schreef: >> I have a lazy eye and so my head is always slightly [quoted text clipped - 21 lines] > > Jan (normally Dutch spoken) Thank you. What is the name of the device to measure the pupil's position? > Thank you. What is the name of the device to measure the pupil's > position? A millimeter rule. :) -MT Mike Tyner schreef: >> Thank you. What is the name of the device to measure the pupil's >> position? > > A millimeter rule. :) > > -MT Used by a skilled proffesional who takes his responsibility for the right decision where to place the mark which has to be measured. So not for internet buyers, you have to spend some money and go to a real shop with a real skilled optician. Jan (normally Dutch spoken > Mike Tyner schreef: >> [quoted text clipped - 13 lines] > > Jan (normally Dutch spoken When I was very young, the eye surgeon would use a small microscope-sized apparatus to measure the degree of strabismus, and this was an arrangement of a bird for one eye and an empty cage for the other. The young patient, while looking through both eyepieces, would move a lever to put the bird right inside the cage, and this rotation would be registered on a circular scale to give the degree of eye cross. Would this work in my case, or is it something different? Peter Jason schreef: > When I was very young, the eye surgeon would use a small > microscope-sized apparatus to measure the degree of [quoted text clipped - 7 lines] > > Would this work in my case, or is it something different? It is something different and certainly not an instrument for measurment how to mount your glasses as you asked originally. Why not use my answer and go to an optician? Jan (normally Dutch spoken) Peter, Subject: Place to obtain your bifocals Click here, and then just enter the information they request. http://www.zennioptical.com/cart/home.php I think the bifocals go for $27. Enjoy, > I have a lazy eye and so my head is always slightly rotated > a few degrees to the left. [quoted text clipped - 6 lines] > > Please help, Peter otisbrown@embarqmail.com schreef: > Peter, > [quoted text clipped - 7 lines] > > Enjoy, The typical answer given by the laymen Otis. As always an non-answer on a question. Jan (normally Dutch spoken) |
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