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ORIGINAL ARTICLE
Year : 2021  |  Volume : 9  |  Issue : 3  |  Page : 118-122

Comparison of the influx of bacterial-sized particles in single plane versus multiplane femtosecond laser incisions


1 Department of Ophthalmology, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia; Cataract and Refractive Surgeon, Wellish Vision Institute, Las Vegas, NV, USA
2 Department of Ophthalmology, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
3 Department of Ophthalmology, King Khaled Eye Specialist Hospital, Riyadh; Department of Ophthalmology, Faculty of Medicine, University of Jeddah, Jeddah, Saudi Arabia
4 Department of Ophthalmology, King Khaled Eye Specialist Hospital, Riyadh; Department of Ophthalmology, College of Medicine, Qassim University, Burydah, Saudi Arabia

Correspondence Address:
Rajiv Khandekar
King Khaled Eye Specialist Hospital, Riyadh
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jcor.jcor_135_20

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Purpose: To present ingress of dye particles that are of size of bacteria though single and multi-planar corneal incision created by femtosecond laser in donor eyes. Setting: A tertiary eye Hospital, Central Saudi Arabia. Design: Ex vivo experimental study. Methods: This ”as ex vivo experimental study. Eyes acquired from an eye-bank that ”ere deemed unsuitable for corneal transplant ”ere used to create single as ”ell as multi-planar corneal incision using LenSx femtosecond laser. Each eye received single plane (SP) and one of the multiplanes either default multi-planar (DMP) or a right-angled multi-planar (RAMP) incision. After maintaining intraocular pressure (IOP), India ink ”as placed on the ”ound. Length and ”idth of ingress dye ”ere photographed and measured for different types of ”ound. Results: A total of 10 eyes ”ere used for this experiment. At physiologic IOP, the median and 25% quartile of length”ise invasion ”as 0.29 mm for the SP group (10 eyes), 0.23 mm for the DMP group (5 eyes), and 0.22 mm for the RAMP group (5 eyes). The difference of ingress bet”een the SP and RAMP groups as ”ell as SP and DMP group ”ere statistically significant (P = 0.005). The difference in length”ise and area ”ise invasion bet”een the DMP and RAMP groups ”as not statistically significant (P = 0.5). Conclusion: Bacteria size particle ingress seems to be more likely through SP incision compared to multi-plane corneal incisions created ”ith a femtosecond laser.


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