Eye Pressure Differences

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MACHIKO MANN - 08 Jun 2004 19:05 GMT

When the eye pressure is checked. Should the readings be the same in
both eyes? If not, how far apart can they be before it is an issue of
concern, or before it should be rechecked for accuracy?
Is a difference of 1- 2 acceptable? How about greater than 2? What is
the significance if it's greater than 2.

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Rick Cohn, M.D. - 09 Jun 2004 01:16 GMT

> When the eye pressure is checked. Should the readings be the same in
> both eyes? If not, how far apart can they be before it is an issue of
> concern, or before it should be rechecked for accuracy?
> Is a difference of 1- 2 acceptable? How about greater than 2? What is
> the significance if it's greater than 2.

A difference of two or three mm of mercury does not even raise my
eyebrows. That is quite common. A difference of 5 or greater is
suspicious. Hope that helps,
Rick Cohn, MD

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Henry - 09 Jun 2004 23:08 GMT

The pressure in my left eye is always higher than in the right one.
The difference is variable (from 3 to 6 mm).

Thanks to Xalatan the pressure remains under 19 mm.

My ophtalmologist tells me that the glaucoma in my right eye is an open
angle one but he is less positive for the left eye.

Is it possible to suffer from an open angle glaucoma in one eye and a closed
angle one in the other ?

Henry

> > When the eye pressure is checked. Should the readings be the same in
> > both eyes? If not, how far apart can they be before it is an issue of
[quoted text clipped - 6 lines]
> suspicious. Hope that helps,
> Rick Cohn, MD

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Bill Wielert - 10 Jun 2004 09:58 GMT

My experience in 31 years of glaucoma treatments I have never ever had the
same pressure in each eye. The only time it was reported to be the same and
higher than my normal readings, I was suspicious and got another check from
my regular Opth. and they were normal (for me) again.
PS we're lucky here to have Dr. Rick's advice.
Bill

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