anarchyreigns

Good answer! Let me add my two cents. Flap complications that result in vision loss are increasingly rare due to improvements in equipment over the past 25+ years, the most frequent flap complication is a short flap or thin flap which the surgeon will simply not lift and leave to heal without affecting sight at all. DLK is not uncommon, but DLK which results in vision loss is also rare. If treated properly and rapidly there is usually little problem getting it under control and our drugs today are fabulous. Infection is also very rare, and again kudos to today's drugs. In the case of both DLK and infection patient compliance is the key. If it doesn't seem to be resolving its likely because the patient isn't doing what they are told, and some people are just plain dumb (I don't need these meds they prescribed). As for LASIK done on patients with thin corneas or corneas with likelihood to develop keratoconus, sometimes that gets missed and can result in vision loss (I have a good friend in that situation), but now with crosslinking technology even that is less common and somewhat treatable. Yay.

Enhancement rate is how frequently patients require a second surgery, 1% would imply 1/100 patients. Keep in mind that it's tough to measure because some patients may need an enhancement years down the road, so data long term must be accumulated before enhancement rates on current surgeries can be determined. Also, some surgeons do not encourage enhancements unless the patient is very unhappy or has regressed significantly. This means they may have a low enhancement rate because they won't provide enhancements to people who have an "ok" result but not an optimum result.

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