(摘自屈光手術雜誌2009;25(6):493-502.)
LASIK使用虹膜辨識(IR)幾無好處
(詳見下列原文)

Iris registration of little to no benefit in LASIK, study says
J Refract Surg. 2009;25(6):493-502.

LASIK with iris registration adds little to no benefit in visual acuity outcomes
or manifest refraction, according to a study.
Six months after surgery, uncorrected visual acuity was –0.01 logMAR
in 118 eyes after LASIK using a Visx STAR S4 CustomVue platform
(Abbott Medical Optics) and 0.00 logMAR in 121 eyes using the same platform
with iris registration. Both groups had a similar percentage that achieved
20/20 or better vision: 78% without iris registration vs. 79% with iris registration.

"Our study suggests that wavefront-guided LASIK with the Visx CustomVue platform,
independent of iris registration status, is effective, safe and predictable,"
the study authors said.
Predictability of outcomes was also similar;
90% of eyes without iris registration were within ±0.5 D of emmetropia
compared with 92% with iris registration.
There was no difference at any time point in mean postoperative
absolute change in total root mean square higher-order aberrations: 0.19 µm
without iris registration vs. 0.22 µm with iris registration.
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