Comfortable range of astigmatism

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Comfortable range of astigmatism

Postby bada5150 » Tue Jul 03, 2007 4:28 pm

Glenn,
What is the comfortable range of astigmatism? .50, .25? .75?
Is it reasonable to get enhancement to fix -.75 astigmatism only?
I am really nervious about enhancement now.
But I want to because it is uncomfortable with current vision.

Thank you
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Re: Comfortable range of astigmatism

Postby JPD » Tue Jul 03, 2007 7:06 pm

bada5150 wrote:Glenn,
What is the comfortable range of astigmatism? .50, .25? .75?
Is it reasonable to get enhancement to fix -.75 astigmatism only?
I am really nervious about enhancement now.
But I want to because it is uncomfortable with current vision.

Thank you


Not Glenn, but I believe the rule of thumb is that anything below 1.00 does not need to be corrected.
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Postby bada5150 » Tue Jul 03, 2007 7:49 pm

But -.75 astigmatism makes everything blurry though. When I look through phorupter (?) machine, it makes my right see much more clear and not seeing ghost image.
Isn't -.75 astigmatism enough to cause ghost image?
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Location: Minnesota

Postby LasikExpert » Wed Jul 04, 2007 2:50 am

0.25 diopter is within the range of normal human vision fluctuation. Attempting to correct something this small in sphere or cylinder would probably not be wise, however the patient's preference and personal experience is most important.

As a general rule, even a small amount of astigmatism can greatly degrade vision quality, especially in low light environments.

Any laser eye surgery correction – initial or enhancement - should be done only if uncorrected vision interferes with your normal activities, your surgeon recommends surgery with a high probability of achieving the goal, and you are comfortable with the potential risk. Two different people with the same refractive error may have very different opinions about what is appropriate.
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