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10 - 14 Sept. 2016, Bella Center, Copenhagen, Denmark

This Meeting has been awarded 27 CME credits

 

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Anatomical factors for successful wound opening of femtosecond laser created clear corneal incisions

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Session Details

Session Title: Presented Poster Session: FLACS

Session Date/Time: Monday 12/09/2016 | 15:00-16:30

Paper Time: 16:10

Venue: Poster Village: Pod 4

First Author: : H.Uy PHILIPPINES

Co Author(s): :    P. Chan   S. Shah           

Abstract Details

Purpose:

To determine the effects of different anatomical factors on rate of successful opening of femtosecond laser created clear corneal incisions (FCCI) among eyes undergoing femtosecond cataract surgery (FCS)

Setting:

Ambulatory surgical center (Peregrine Eye and Laser Institute, Makati, Philippines)

Methods:

Interventional case series. Fifty-two consecutive eyes underwent FCS. Preoperative parameters included: Patient age, horizontal white-to-white measurement (WTW) measured by optical biometry, surgeon-graded arcus senilis (1, none; 2, visible iris; 3: blocked view of iris), and distance of LCCI entrance wound from surgical limbus as estimated from a digital photograph. All eyes underwent creation of a temporal 3-plane, FCCI using the same femtosecond laser settings and wound dimensions. The preoperative parameters were correlated to surgeon-graded ease of opening of the FCCI (1, unable to open; 2, opened with more than one pass; 3, opened with single pass of a lens hook).

Results:

The FCCI ‘s were successfully opened in 46 of 52 eyes (88.5%). Four of 6 unopenable FCCI were ascribed to opaque arcus senilis and 2 were attributable to excessively peripheral wound location. The correlation coefficients (r) of the surgical parameters with ease of opening were: age= 0.08 (P= 0.57), WTW=0.37 (P= 0.006); arcus grade= -0.02 (P=0.11), and wound distance= 0.7 (P<0.00001). The mean wound-to-limbus distance was 0.71 (SD 0.33) mm (range, 0.18 to 1.4).

Conclusions:

Successful opening of FCCI is achievable in large majority of cases. Placement of the wound further away from the surgical limbus and more anteriorly into clear cornea increases the ease and likelihood of successful wound opening. Careful preoperative planning of wound placement is needed for optizing wound opening success rates for FCCI

Financial Disclosure:

NONE

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