In vitro femtosecond laser-assisted nanosurgery of porcine posterior capsule

Toropygin, S.G.; Krause, Matthias; Riemann, Iris; Seitz, Berthold; Mestres, Pedro; Ruprecht, Klaus W.; König, Karsten

doi:10.1016/j.jcrs.2008.08.038

Cited by 5 publications

(2 citation statements)

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“…Laser-assisted cataract surgery (LACS) uses ultrashort pulse lasers to precisely photodisrupt the crystalline lens [24][25][26]. Several authors have reported reduction of PHACO time and energy as well as reduction of EC loss among animal and human eyes undergoing laser lens fragmentation (LLF) [27][28][29][30][31][32].…”

Section: Introductionmentioning

confidence: 99%

Comparison of surgical parameters using different lens fragmentation patterns in eyes undergoing laser-assisted cataract surgery

Chan

Gil-Cazorla

et al. 2019

Int Ophthalmol

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Purpose: To compare surgical parameters among eyes undergoing laser-assisted cataract surgery (LACS) using different lens fragmentation patterns (LFP).Methods: Prospective, randomized, unmasked clinical trial. One-hundred eyes underwent LACS and were randomly assigned to 1 of 3 LFP treatment groups: 1) laser capsulotomy only; no lens fragmentation (NLF) (n = 34); 2) three-plane chop (TPC) (n = 33); and, 3) pie-cut pattern (PCP) fragmentation (n = 33). Prechop phacoemulsification (PHACO) was performed on all eyes using the same femtosecond (FS) laser and active fluidics PHACO machine. Main outcome measures: FS laser dock time (seconds), PHACO time (seconds), PHACO power (%), cumulative dissipated energy (CDE) (%-seconds), irrigating fluid volume and operative time.Results: The 3 treatment groups were comparable in terms of patient age (P = 0.164) and nuclear density (P = 0.669). FS dock time was higher in the PCP group ( 184.18 ± 25.86) compared to the TPC (145.09 ± 14.15) group (P< 0.001). PHACO time was significantly shorter in the PCP (23.19 ± 17.20 seconds) compared to TPC (35.27 ± 17.70) and NLF (46.15 ± 23.72) groups (P< 0.001). PHACO power was lower in the PCP (11.81 ± 3.71) compared to the NLF (14.41 ± 1.88) and TPC (14.04 ± 2.46) groups (P< 0.001). CDE was lower in the PCP (2.85 ± 2.32) compared to NLF (6.55 ± 3.32) and TPC (6.55 ± 5.45) groups (P<0.001). Fluid volumes and operative times were similar. Conclusion: LFP can influence PHACO surgical parameters. Extensive fragmentation patterns such as PCP appear to lower PHACO time, power and CDE and may potentially reduce the risk of PHACO related complications.

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Section: Introductionmentioning

confidence: 99%

Comparison of surgical parameters using different lens fragmentation patterns in eyes undergoing laser-assisted cataract surgery

Chan

Gil-Cazorla

et al. 2019

Int Ophthalmol

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“…4,5 The FS laser allows improved incision precision, thus limiting destruction of surrounding normal tissue. 6,7 Creation of leak-free clear corneal incisions (CCI) to improve wound healing postsurgery is an important step toward reducing/eliminating postsurgery complications.…”

mentioning

confidence: 99%

Leak-Free Clear Corneal Incisions in Human Cadaver Tissue: Femtosecond Laser–Created Multiplanar Incisions

Hill

Binder

Li-min

2017

Eye &Amp; Contact Lens: Science &Amp; Clinical Practice

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The FS laser-created incisions corresponded well with the treatment plans, as evidenced by true multiplanar architecture. Incisions were sharply demarcated and demonstrated limited cell damage. No postprocedure leaking at extreme IOP or postcataract surgery-simulated conditions was noted. The FS laser may potentially reduce postoperative complications, such as infections that may be associated with CCI.

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In vitro femtosecond laser-assisted nanosurgery of porcine posterior capsule

Cited by 5 publications

References 20 publications

Comparison of surgical parameters using different lens fragmentation patterns in eyes undergoing laser-assisted cataract surgery

Comparison of surgical parameters using different lens fragmentation patterns in eyes undergoing laser-assisted cataract surgery

Leak-Free Clear Corneal Incisions in Human Cadaver Tissue: Femtosecond Laser–Created Multiplanar Incisions

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