Re: [OM] Optics 102: Aging, Apparent Focusing Distance reference, et. al.

[andrew fildes]

Good point. I need a +1.5 diopter for reading but this is too strong for
computing as the screen is (and should be) further away than a book when
reading. I bought a pair of $10 specials from the chemist - +1 - and keep
them with the pooter. Perfect.
AndrewF


>Susan
>
>One warning I will mention about shifting your head back to see a computer
>screen with trifocals is that we often look at the screen for long periods
>of time.  I ended up having to have my neck in traction 3 times a week
>because I had compressed some nerves.  This caused numbing in my arm and
>hand.  I now am very careful about tilting my head back searching for the
>sweet spot.  Instead I try to make sure that I am sitting higher in the
>chair and looking more down at screen.  This works for me and I have not had
>anymore trouble with my neck.
>
>Bob Winters



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