September 2015

 

RESIDENTS

 

Femtosecond laser-assisted compared to standard cataract surgery for removal of advanced cataracts


Kathryn M. Hatch, MD, Tim Schultz, MD, Jonathan H. Talamo, MD, and H. Burkhard Dick, MD, PhD

 
   

J Cataract Refract Surg (Sept.) 2015;41. Article in press

Purpose: To compare effective phacoemulsification time (EPT) for the removal of brunescent cataracts treated with laser-assisted cataract surgery (LCS) to standard cataract phacoemulsification techniques.

Setting: Ruhr University Eye Hospital, Bochum, Germany

Design: Comparative prospective case study

Methods: The Lens Opacities Classification System III (LOCS III) grading system was used to measure 240 eyes divided into 4 groups undergoing cataract surgery. Groups 1 (n=60) and 2 (n=60) contained eyes with LOCS III grade NO 3 cataracts treated with standard cataract surgery and LCS, respectively. Groups 3 (n=60) and 4 (n=60) contained brunescent cataracts, LOCS III grade NO 5, treated with standard cataract surgery and LCS, respectively.

Results: The EPT for Group 1 ranged from 0.463.10 (mean 1.38), while EPT for all eyes in Group 2 was 0 (p<0.001). EPT for Groups 3 and 4 was 2.1219.29 (mean 6.85) and 06.75 (mean 1.35), respectively (p<0.001). A comparison between EPT in Groups 1 and 4 showed that EPT for Group 4 was also lower than that of Group 1 (p=0.013). Groups 4 and 1 were the most statistically similar of all groups compared, suggesting that EPT for a femtosecond (FSL)-treated grade 5 cataract was most similar to that for a standard-treated grade 3 cataract.

Conclusions: Femtosecond laser pretreatment for brunescent cataracts allows for significant reduction in EPT compared to manual standard phacoemulsification techniques.

Related articles:

Technique for cortex removal with the femtosecond laser by Ellen Stodola EyeWorld Senior Staff Writer

Femtosecond laser flap creation in prior RK patients by Maxine Lipner EyeWorld Senior Contributing Writer

Corneal incisions with a femtosecond laser by Ellen Stodola EyeWorld Staff Writer

Femtosecond laser use in eyes with corneal considerations by Ellen Stodola EyeWorld Staff Writer

Femto and standard cataract surgery Femto and standard cataract surgery
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