Cataract lens replacement for near or long distance vision?

I am having a cataract removed in my right eye as a preliminary step
to the removal of a wrinkle on the retina (macular pucker) of the same
eye. My left eye has an incurable very small blurred spot right at the
center of vision.

The doctor said that since only the rigth eye needs the cataract
removed he will set the correction on the lens to be slightly less
than 20/20 for long distance vision. Otherwise I am likely to see
double because the left eye will not be matched to the right eye.

Although most of my time is spent on desk and computer work I can
understand that having better long distance vision without glasses is
probably better than having better reading vision without glasses.

My questions are:

Since I was always able to see well for reading and other close work
without my glasses I am wondering if new glasses will properly correct
my reading vision.

There will be an interval of about 8 weeks between the cataract and
the wrinkle operation. Will temporary reading glasses allow me to do
desk work until the wrinkle is removed and I can then be measured for
new permanent glasses?

Txs, Carlos

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