perhaps my reply is too late for u as just notice this post was on 2006.
Just want to share my experince with Vista(The Curve), i did it ast year Aug 2009.
power was on 550 on right, 600 on left.
I went for "Lasik", cost me RM3k per eye. total RM6k.

Overall result, satisfied.
The 1st day after surgery very blurry. the 2nd day still blurry.
5th day i went to work(facing computer the whole day), every 5 min i hv to rest my eyes.
but not comfortable during night time especially when u see lights, u will see glare ...
after 1 month my eye totally recovered.

Now, power is 0, 0.
No dryness, no redness. no pain during surgery.

imaginewhen u bath, u can see clearly whatever dust or hairs or rubbish on floor.
morning wake up do not need to search for spec ..
u cna fit with any sunglasses without considering will contact lense made u feel discomfort after long hours...

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Added on July 3, 2010, 12:40 pmnasa cost bout RM10k per pair.
its better make appointment with the consultant they will be able to advise whats best suits you.
they are professional and can describe in details.

For my case, Nasa is not neccesary.
my power 550 right, 600 left.
i took lasik which cost RM6k.

and ya, vista lasik provide life time warranty.
its worth the $$.

This post has been edited by findingnemo: Jul 3 2010, 12:40 PM