[Leica] IMG: Exploring the 90mm

[Nathan Wajsman]

I have been nearsighted all my life (started wearing glasses at age 9) but now in my 50s I began to experience trouble reading with them on, so I would take them off, not a satisfactory solution either. So my office paid for a pair of special bifocals, with the upper part optimized for 45 cm (i.e. the usual distance from the computer screen) and the lower part for 30 cm, the usual reading distance. The doctor recommended against varifocals because the various bands are too narrow for comfort. I am quite happy with this setup.

Cheers,
Nathan

Nathan Wajsman
Alicante, Spain
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> On 23 Jul 2017, at 08:54, Frank Dernie <Frank.Dernie at btinternet.com> wrote:
> 
> I wore contact lenses for decades, hard then gas permeable, but when I started to need spectacles to read, and misplace them, I thought I may as well wear glasses all the time so I couldn’t lose them.
> I ended up with varifocals but they are uncomfortable at the computer, so I also have a screen distance pair which live under the monitor when I am not using them.
> So my solution to not losing my glasses was to never take them off!
> They have a special place for whilst I am in bed, so I know where they are in the dark since I get up about 2 hours before my wife.
> cheers,
> Frank D.
> 
> 
>> On 22 Jul 2017, at 23:13, Peter Klein <boulanger.croissant at gmail.com> wrote:
>> 
>> Tina:  For years, I've used computer glasses that are classic bifocals, with prescriptions for arms-length (computer and music stand) on top, and reading on the bottom.  They make life much easier, as sometimes I need to read something on paper while at the computer, or move close to see some detail on the screen.  I also use +2.5 readers from the drug store, and my regular distance/reading bifocals. And much of the time in the house, no glasses at all.
>> 
>> So I've got 3 pairs of glasses I use regularly, plus nothing.  Some Internet Wag of Infinite Wisdom posted that you know you're a "senior" when the thing you say the most is, "Where the hell are my glasses?"  I try to always leave mine in the same place to avoid that.  I have varying degrees of success.  I've even "lost" them after hanging them on the "V" formed by my open shirt collar.
>> 
>> I have an eye exam on Wednesday, and like Jim, I think I may need a stronger prescription for the computer. We'll see. Good luck to both of us!
>> 
>> Jim:  That 90 looks like it was made for your flutterbyes.  A short tele that focuses reasonably close is often better than a 50mm for close-ups. You get the same magnifications, but you can be a bit farther back, so you don't cast a shadow on the subject--or scare it away.  :-)
>> 
>> --Peter
>> 
>>> The last time I got glasses, he gave me a special prescription for the
>>> computer, based on the working distance. I still have to take my glasses off
>>> to use the computer, read, or eat, so I'm always leaving glasses all over
>>> the house! Can't see distances without them, though!
>>> 
>>> Tina
>> 
>> 
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> 
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