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Ophthalmol Case Rep 2017 Volume 1 Issue 1
August 21-23, 2017 | Toronto, Canada EYE AND VISION3rd International Conference on
Statement of the Problem: Arcuate incisions (AI) are
well established surgical procedure for the correction of
residual astigmatism with cataract surgery. The advent of
femtosecond laser in the field of corneal microsurgery has
improved the safety, predictability and reproducibility of AIs.
Purpose of the current study is to evaluate the outcomes of
iris registration-guided, femtosecond laser-assisted arcuate
incisions performed with cataract surgery in eyes with pre-
existing astigmatism.
Methodology & Theoretical Orientation: This retrospective
non-comparative study included 279 eyes of 203 patients
with cataract and pre-existing astigmatism ranging from
0.50 D to 1.91 D. All eyes underwent LENSAR® femtosecond
laser-assisted cataract surgery and AIs using StreamlineTM
Iris registration and wireless transfer of the preoperative
undilated iris image to the laser system. The incision
parameters were automatically generated by LENSAR®’s
Arcuate Incision Planning software based on surgeon
preference and surgically induced astigmatism. Cyclorotation
was automatically compensated by adjusting incision
placement. The primary outcome measure was residual
astigmatism at two weeks and 3 months after surgery.
Findings: At postoperative 2 weeks, the mean residual
sphere, cylinder and MRSE were -0.17 D, -0.09 D and -0.13
D respectively. In particular, 88.2% eyes had ≤ 0.25 D, 94.6%
eyes had ≤ 0.5 D and 99.3% eyes had ≤ 0.75 D of residual
astigmatism postoperatively. At postoperative 3 months, the
mean residual sphere, cylinder and MRSE were -0.20, 0.17
and -0.11D respectively. Residual astigmatism was ≤ 0.25 D in
74.8% eyes, ≤ 0.5 D in 94.1% eyes and ≤ 0.75 D in 99.2% eyes
at 3 months. No complications were observed.
Conclusion & Significance: The LENSAR® arcuate incision
planning software using iris registration yielded safe and
effective outcomes in cataract patients with low to moderate
astigmatism.
Speaker Biography
Denise M Visco is an award winning Ocular Surgeon and Founder of Eyes of York.
She is the current Secretary/Treasurer for the American College of Eye Surgeons and
has served as President of the American Board of Eye Surgery. She is an alumnus
of University of Delaware, Thomas Jefferson University and Penn State, where she
completed her Ophthalmology training in 1995. She practices a comprehensive array of
eye services within the Eyes of York practice which include refractive cataract surgery,
presbyopic lens exchange surgery, corneal inlays, LASIK and PRK surgery. She also
provides glaucoma management with medical treatment and MIGS when appropriate.
She is noted as the first Surgeon in York to provide patients with the quality of a free
standing laser center for laser vision correction and surgical center specializing in eyes.
e:
Managing corneal astigmatism using iris registration-guided, femtosecond-laser assisted arcuate
incisions performed during cataract surgery
Denise M Visco
Eyes of York Cataract and Laser Center, USA