For the optically challenged
-
If you are like me and have been blessed with crap eyesight on both ends of the scale then you may want to look at multifocals.
What I mean is if you have different glasses for long vision and reading. For years now I have been stumbling around generally unable to read small print or even look properly at a drawing without first taking off one pair of glasses and putting on another pair. This other pair is usually never to be found when needed because I often forget to carry them with me. It annoys me so much when out shopping, can't read the labels, use the old arm extenders to get the thing far enough away to focus and the writing is so bloody small it's impossible to read anyway. In the workshop I have small detailed work and large scale stuff next to each other... anyway you get the point I'm sure.
Two weeks ago I picked up my new, and rather expensive, Multifocal glasses. I was a bit reluctant as they do warn you that you may not like them and it can take quite some time to get your eyes to adjust but they have been a godsend.
I left the shop not wearing them, as I had to drive and the optician suggested I wait till I got home so I didn't end up driving like Helen Keller, but I put them on in the supermarket 5 mins later to try them out and haven't taken them off since. They do take a bit of getting used to but the benefits far outweigh any cons.They are one lens that has been ground to three different focal points. They aren't like Bifocals, they don't have a hard line defining the different points, they blend together and just look like normal single lens glasses. But the beauty is you have long vision, computer vision and tiny little small print vision all in one go. The focal points are down the middle of the lens so you do have a bit of blurring to your peripheral vision but I haven't had an issue with that at all.
I can now look down at the desk and read from a book, look up at the computer and then out the window without the slightest problem. To go from book to computer was a change of glasses and a whole refocus and as for out the window, I needed voice overs, now it's like I have my eyes back.
So anyway, if you have my eyes, don't hesitate to go multis!
-
Progressive lenses are new in Germany?????? I've been wearing them for a decade.
-
very happy that you have your eyes back (with your new glass)
and thank you for informing -
No they aren't new to Germany, just new to my face.
-
Are these different than progressives?
Still it sounds like I wouldn't like them for work as I never liked progressives. I need a full area in focus. The screen is large, and I have a side screen. I also glance at the keyboard (though I really don't focus on it). I find if I have to turn my head to read the VCB it is distracting and could cause a stiff neck. (Actually I had a neck injury when I first started using CAD and had to learn to use my eye movement and torso more, not the neck.)
Glad it's an improvement for you. I am terrible myself, juggling glasses. Now you only have to replace one pair.
-
No, same thing.
@unknownuser said:
Progressive spectacle lenses, also called progressive addition lenses (PAL), progressive power lenses, graduated prescription lenses, and varifocal or multifocal lenses
Wouldn't suit you but I'm comfortable turning my head. Comes from wearing a helmet most of my life.
-
Hi folks.
See this :
http://vision.about.com/od/contactlenses/f/Monovision.htm
I am nearsighted (far objects are not in focus) but I can read or see clearly from very close when I wear no glasses or contact lenses.
About 15 years ago, my optometrist offered me to try monovision.
My dominant eye being the rigth one is fully corrected for distance viewing while my left eye, is undercorrected by a few dioptries.
The net result is that, far objects are sharp when seen by my rigth eye and not sharp when seen by my left eye. In reverse, close objects are sharp when seen by my left eye and not sharp when seen by my right eye. The brain can compensate and objects appear sharp at all distances. Well .. after an adaptation period.
If I drive a car, for example, the rigth eye does the hard work. If I read, the left eye does the hard work.
Surprisingly, I went to see Avatar in 3D and had no problem with the 3D effects, they were present.
Also, with this scheme, the closer limit of my rigth eye and the farther limit of my left eye slightly overlap a little and this happens more or less at the normal viewing distance of a computer screen of about 24 inches or 60 centimeters.
My optometrist told me that if these limits don't overlap, there is a "hole" or a zone where none of the eyes is seing sharply and this may cause problems. In such cases monovision might not work.
Just ideas.
Advertisement