praise of wavefront aberrometry. She says the
device, which measures corneal curvature
and calculates intraocular lens power intraop-
eratively, helps correct astigmatism "perfect-
ly."
For patients who have a cataract with a sec-
ondary diagnosis of astigmatism, her surgeons
use the aberrometer twice — before implanti-
ng the toric IOL when the patient is aphakic
and after implant-
ing the toric IOL to check the accuracy of the
alignment of the toric IOL. Each real-time
reading takes only 3 to 5 seconds, she says,
and offers the dual benefit of significantly
increasing the accuracy of the toric IOL
power, and significantly decreasing the inci-
dence of unintended residual post-operative
astigmatism and refractive surprise.
• Digital marking system. Dr. McCabe also
demonstrated a new digital marking system
(Alcon's Verion 2.6 software) that makes pre-
operative planning more precise. The system
registers landmarks from a digital photo of
the patient's eye and captures such data as
amount of astigmatism, axial length, lens
choice and toric correction. A second part of
the system lets you account for cyclorotation,
which causes a difference in eye orientation
when the patient is sitting up (when you
obtain measurements) versus when the
1 1 2
O U T P A T I E N T S U R G E R Y M A G A Z I N E O N L I N E | M A Y 2 0 1 5
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800.576.1266 or
949.580.1266
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