Thanks you both for your answers. (I could have bet it would be you Chuck!) I wouldn`t know what to tell you Lewis. My eye doctor said multifocals makes no sense for the small correction I have. I tend to agree. I haven`t had the glasses made as yet. I`ll let you know how it goes./ Thanks! GG
On Feb 8, 9:47 pm, "Wm. Lewis" <[email protected]> wrote: > I'm prescribed bi-focals but wear progressives. I find that little sliver > in between actually helps when I'm looking at a computer screen over > someone's shoulder or even at my desk top. Otherwise, I never notice the > difference and I watch tv, live sports and read with no problems. > I suggest you try progressives. They are essentially no-line bifocals. > *Please make very sure of you have the proper PD though because that > measurement comes into bigger play once you leave single vision glasses and > could seriously effect your viewing experience if it's not right.* > > On Mon, Feb 8, 2010 at 7:28 PM, Chuck Knight <[email protected]> wrote: > > A quick google search for kryptok bifocals turned up the following > > information, as well as MANY other references. Apparently it's a very > > old version of a "blended edge" bifocal which, because of its rounded > > edges, is much less noticeable than the currently common options. > > > Picture: > >http://pic.wenzhouglasses.com/upload1/20071022/20071022951212231.jpg > > > This is its history: > >http://www.eyecarebiz.com/article.aspx?article=50216 > > > And this is a little information, describing it: > >http://kapleshwar.com/lenses/multifocal.asp > > > "The Kryptok (or Fused) Bifocals have a circular arc for dividing line > > which is least visible compared to the other bifocals, this being its > > advantage. But these have the disadvantages of (a) Jump effect where > > there is a shift in the apparent position of object when the wearer > > looks from distance to near and (b) Chromatic aberration (color > > fringes) due to the use of different materials for main lens and > > segment. > > > The Executive Bifocals are made of single piece of glass in which two > > different curvatures are ground. For this reason the dividing line is > > very prominent and the change in curvature can be felt at the dividing > > line by running the fingers across the lens surface. There can also be > > accumulation of dirt at the dividing line. There is minimal or no jump > > effect and this also offers a wider field of view for reading. These > > are averagely priced. > > > The Univis ‘D’ Bifocals are also of the fused type but with a barely > > visible straight dividing line. They are also called Flat-Top > > bifocals. They have very minimal Jump effect, but are priced higher. > > The ‘D’ Bifocals are very popular aboard and are fast gaining > > popularity in India. All these are available either in Glass or > > Plastic (CR39). " > > > On Mon, Feb 8, 2010 at 6:13 PM, GG <[email protected]> wrote: > > > Hi all, > > > I have been out of the forum for a while since I had already bought > > > enough glasses thanks to it (I have bought mora than 20 pairs on > > > line) and it was getting a bit of a hobby to buy glasses so I sort of > > > had to put a stop to it but.... the time has come that I need > > > bifocals. My eye doctor said that I could buy "kriptok invisible" bi > > > focals. He said that they do not look as bifocals. They do not have > > > the typical "bifocal line" Mind you, they are not "multifocals" but > > > bifocals that show no line. I searched the forum but could not find > > > any reference to such a thing. Does anybody know anything about this? > > > Than you all in advance.- > > > GG > > > > -- > > > Check us out at the oft-updatedhttp://glassyeyes.blogspot.com! > > > > You received this message because you are subscribed to the Google Groups > > "GlassyEyes" group. > > > To post to this group, send email to [email protected] > > > To unsubscribe from this group, send email to > > [email protected] > > > For more options, visit this group at > >http://groups.google.com/group/glassyeyes?hl=en > > > -- > > Check us out at the oft-updatedhttp://glassyeyes.blogspot.com! > > > You received this message because you are subscribed to the Google Groups > > "GlassyEyes" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > >http://groups.google.com/group/glassyeyes?hl=en -- Check us out at the oft-updated http://glassyeyes.blogspot.com! You received this message because you are subscribed to the Google Groups "GlassyEyes" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/glassyeyes?hl=en To unsubscribe from this group, send email to glassyeyes+unsubscribegooglegroups.com or reply to this email with the words "REMOVE ME" as the subject.
