Intraocular pressure profiles during femtosecond laser–assisted cataract surgery

Baig, Nafees; Cheng, Grand H.‐L.; Lam, James; Jhanji, Vishal; Chong, Kelvin; Woo, Victor C.P.; Tham, Clement C.

doi:10.1016/j.jcrs.2014.04.026

Cited by 41 publications

(39 citation statements)

References 10 publications

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“…Furthermore, intravitreal measurements showed a delayed increase in pressure during vacuum application. Nevertheless, discrepancies between ICP and IVP levels during FLACS are well known and described earlier,16 results should be considered carefully due to possible limitations of the ex vivo experimental set-up and the intravitreal measurement concept itself. One could possibly assume an impairment of the intravitreal IOP measurements caused by an occlusion of the intravitreal cannula initiated by the gel-like consistency of the natural vitreous body.…”

Section: Discussionmentioning

confidence: 88%

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Comparison of intraocular pressure during the application of a liquid patient interface (FEMTO LDV Z8) for femtosecond laser-assisted cataract surgery using two different vacuum levels

et al. 2017

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Section: Discussionmentioning

confidence: 88%

“…In the Victus platform, a relative rise of 25 mm Hg was observed,16 while published values for the Catalys platform which uses a liquid interface range from 25.9 mm Hg to 32.4 mm Hg 17 18…”

Section: Discussionmentioning

confidence: 93%

Comparison of intraocular pressure during the application of a liquid patient interface (FEMTO LDV Z8) for femtosecond laser-assisted cataract surgery using two different vacuum levels

et al. 2017

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“…Using a Tono-Pen Avia (Reichert Technologies, Depew, NY, USA), Baig et al 11 utilized a different femtosecond cataract laser platform with a multipiece curved interface to also perform IOP measurements on humans. Mean IOP was reported to rise to 42.1 6 10.8 mm Hg after the femtosecond procedure.…”

Section: Discussionmentioning

confidence: 99%

“…Interestingly, all the in vivo studies reported IOP elevations after femtosecond laser treatment, whereas we did not find any such elevations in the experimental setup of the present study after the eye was fully disconnected from the LOI. 6,8,9,11 There are probably different causes of the IOP increases during the different steps of the FLACS procedure. As shown in Figures 2 and 3, a significant change occurs immediately after placing the patient interface on the enucleated eye.…”

Section: Discussionmentioning

confidence: 99%

Intraocular Pressure Course During the Femtosecond Laser-Assisted Cataract Surgery in Porcine Cadaver Eyes

Sperl

Strohmaier

Kraker

et al. 2017

Invest. Ophthalmol. Vis. Sci.

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PURPOSE. Femtosecond laser-assisted cataract surgery (FLACS) is an increasingly common procedure. Most laser systems require corneal applanation and thereby increase intraocular pressure (IOP). The purpose of the present study was to evaluate the IOP changes that occur during the FLACS procedure performed using the Catalys femtosecond laser system. METHODS. IOP was measured by direct cannulation of the vitreous body of porcine cadaver eyes (N ¼ 20). By inserting a second cannula connected to a water column, all the eyes were set to a baseline IOP of 20 mm Hg. The eyes were lifted by custom-made stands to achieve the appropriate height and position under the Catalys system. The standard FLACS procedure was performed using varying fragmentation times to assess the influence of tissue fragmentation times on IOP peaks. RESULTS.We identified significant IOP elevations from baseline IOP levels during all steps of the FLACS procedure (baseline: 20.28 6 1.32 mm Hg; vacuum: 34.48 6 4.21 mm Hg; capture: 47.90 6 13.02 mm Hg; lock: 48.41 6 9.04 mm Hg; analysis: 47.15 6 5.97 mm Hg; capsulotomy: 45.74 6 6.52 mm Hg; fragmentation: 48.41 6 6.80 mm Hg; end: 17.81 6 1.61 mm Hg; all P < 0.001). Furthermore, the tissue fragmentation time had a significant effect on the peak IOP values detected (R ¼ 0.62, P ¼ 0.04, n ¼ 9).CONCLUSIONS. The present study reveals significant IOP increases during FLACS procedures carried out using the Catalys system.

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“…[38][39][40] Abell ve ark.nın yaptığı 4.080 gözü içeren büyük bir çalışmada; Catalyst Lazer Sistemi ile cerrahi olan 1.852 gözden 21'inde tamamlanmamış kapsülotomi saptandı. Arka kapsül yırtığı FSL ile cerrahi olan 8 gözde gelişirken, FSL olmayan 4 gözde meydana geldi (İstatistiksel olarak anlamlı değildi).…”

Section: Di̇ğer Kompli̇kasyonlarunclassified

Femtosecond Laser-Assisted Cataract Surgery: Review

Akkaya¹,

Açikalin²,

Özkurt³

2017

Turkiye Klinikleri J Ophthalmol

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Intraocular pressure profiles during femtosecond laser–assisted cataract surgery

Abstract: No author has a financial or proprietary interest in any material or method mentioned.

Cited by 41 publications

References 10 publications

Comparison of intraocular pressure during the application of a liquid patient interface (FEMTO LDV Z8) for femtosecond laser-assisted cataract surgery using two different vacuum levels

Comparison of intraocular pressure during the application of a liquid patient interface (FEMTO LDV Z8) for femtosecond laser-assisted cataract surgery using two different vacuum levels

Intraocular Pressure Course During the Femtosecond Laser-Assisted Cataract Surgery in Porcine Cadaver Eyes

Femtosecond Laser-Assisted Cataract Surgery: Review

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