So people born with "perfect" vision. If you stand outside on a dark night and stare at a street light, is the separation between darkness and the light completely crisp, or is there a halo or a starburst of some sort?
As far as I know, there are no halos if you really have perfect vision. Cataracts and minor vision problems (such as a small amount of astimatism) will cause halos, even if the subject claims to see fine otherwise.
If you are doing such a poll, it would be helpful to ask, along with the presence of halos, when it was their last visit to an optometrist. If you believe you have perfect vision, you are not going to see one (even though periodic visits to an eye doctor are indicated, for checkups).
However, as my eyes healed, vision degraded a bit and the halo and starburst distortions came back. Nine months later I got a free followup surgery, but that didn't improve matters any.
It's still improved my life a lot, but it sucks going back to distorted vision after seeing perfectly. Also, Lasek sucks. Lasik wasn't an option for me but reading about procedures now I think PRK would have been a better choice (or some laser-only surgery, but I wasn't given that option either), and I certainly wouldn't have gone through a second surgery if I knew it wouldn't help.