Results of laser in situ keratomileusis performed using solid-state laser technology

Piñero, David P.; Pérez-Cambrodí, Rafael J.; Gómez-Hurtado, Aránzazu; Blanes-Mompó, Francisco J.; Alzamora-Rodríguez, Antonio

doi:10.1016/j.jcrs.2011.09.038

Cited by 4 publications

(6 citation statements)

References 23 publications

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“…[1][2][3][4][5] In experimental studies, solid-state lasers have shown no induction of thermal damage or adverse effects in deep corneal layers after photorefractive keratectomy. [1][2][3][4][5] In experimental studies, solid-state lasers have shown no induction of thermal damage or adverse effects in deep corneal layers after photorefractive keratectomy.…”

mentioning

confidence: 99%

Influence of the Difference Between Corneal and Refractive Astigmatism on LASIK Outcomes Using Solid-State Technology

Piñero

Ribera

Pérez-Cambrodí

et al. 2014

Cornea

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confidence: 99%

Influence of the Difference Between Corneal and Refractive Astigmatism on LASIK Outcomes Using Solid-State Technology

Piñero

Ribera

Pérez-Cambrodí

et al. 2014

Cornea

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“…The gas-free lasers require less maintenance, with a relative reduction in costs due to the argon gas management, and the diode pump system is characterized by long-lasting effectiveness. The literature related to solid-state lasers comprises both experimental and clinical studies [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 18 , 19 , 20 , 21 , 22 , 23 , 24 ]. In the studies on murine corneas, Ren et al and Tsiklis et al demonstrated similar histopathologic responses to solid-state laser and excimer laser ablations in murine corneas [ 1 , 4 ].…”

Section: Discussionmentioning

confidence: 99%

“…The majority of clinical studies report results of refractive surgery performed with two solid-state lasers [ 2 , 8 , 9 , 10 , 11 , 12 , 13 , 18 , 19 , 20 , 21 , 22 , 23 ]. The LaserSoft (Katana Technologies, Kleinmachow, Germany), which operates at a 210 nm wavelength, 0.2 mm diameter Gaussian spot, and repetition rate of 2 kHz, and the Pulzar Z1 (Customvis, Perth, Australia), working with a 213 nm laser and a 0.6 mm spot with a repetition rate of 300 Hz.…”

Section: Discussionmentioning

confidence: 99%

“…In the meantime, solid-state laser technology has become a more reliable source for treating organic tissue materials, and the possibility of performing corneal ablation with high efficacy and safety as compared to using an excimer laser is challenging, and has been investigated in experimental studies with good results [ 1 , 2 , 3 , 4 , 5 ]. Since the beginning, corneal refractive surgery with a solid-state laser has been a safe and effective procedure [ 2 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 ]. Now, growing interest has been noted with the recent presentation of the new platform [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

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One-Year Results of Photorefractive Keratectomy for Myopia and Compound Myopic Astigmatism with 210 nm Wavelength All Solid-State Laser for Refractive Surgery

Roszkowska

Tumminello

Licitra

et al. 2023

JCM

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Background: To examine the 12-month clinical and refractive outcomes of PRK performed with a UV all-solid-state laser. Methods: The study included healthy patients with myopia and/or compound myopic astigmatism enrolled for refractive surgery and treated with PRK using a 210 nm wavelength, 2 kHz repetition rate, UV all-solid-state laser (LaserSoft, Katana Technologies GmbH, Kleinmachnow, Germany). All subjects were examined at baseline and after 1, 3, 6, and 12 months after the treatment with a slit lamp, refraction, visual acuity assessment (logMAR chart), tonometry, ophthalmoscopy, and corneal tomography with a Scheimpflug camera. The outcome measures considered were uncorrected (UDVA) and corrected (CDVA) distance visual acuities, refraction, central corneal thickness, and transparency. The efficacy, safety, predictability, and stability were determined. Results: The study included 34 eyes of 19 patients. The mean UDVA changed from 1.20 ± 0.43 to −0.05 ± 0.10 logMAR at 12 months, and the mean CDVA changed from −0.03 ± 0.06 to −0.06 ± 0.09 logMAR, respectively. The mean spherical equivalent (SE) changed from −4.90 ± 2.12 D to −0.01 ± 0.40 D and was within ±0.50 D of the intended correction in 91% of eyes and within ±1.00 D in 97% of eyes at 12 months. No eyes lost lines of visual acuity, and 64% of eyes gained one or more lines. Conclusions: PRK with the 210 nm wavelength, 2 kHz repetition rate, all-solid-state laser LaserSoft system proved to have good visual, refractive, and clinical outcomes after the follow-up at 12 months. The emerging gas-free, solid-state technology might be considered a valid alternative for the gas operating lasers for corneal refractive surgery.

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“…7 This technology has become an alternative in corneal refractive surgery, with some potential advantages over excimer lasers. There are few reports 22 of the outcomes of the use of solid state 213 nm lasers for refractive correction. The visual outcomes in our cohort were excellent with a significant improvement in logMAR UDVA and maintenance of logMAR CDVA.…”

Section: Discussionmentioning

confidence: 99%

Refractive and Visual Outcomes of Laser Insitu Kerato Mileusis for Moderate to High Myopia Using 213nm Solid State Laser - A Four Year Follow Up Study

Y¹

2015

DJO

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Aims: To evaluate and report the visual, refractive outcomes and corneal integrity of conventional LASIK performed using 213nm solid laser to correct moderate to high myopia. Design: Prospective case series Methods: Present study analysed 53 eyes of 28 patients, with moderate to high myopia, who underwent conventional LASIK using PULZAR Z1 SOLID LASER, long term (4 year) visual refractive outcomes and the corneal integrity were studied. The patients were followed up for minimum of 48 months. Results: There was a significant improvement in uncorrected distant visual acuity, post operatively (P value < 0.01). No significant change was detected in decimal notations in CDVA pre and post op (p=0.383). At the end of fourth year, post op logMAR UDVA was 0.30(20/40 or 0.50 decimal notation) in 87% of eyes and 85% of eyes achieved 0.18 logMAR (20/30 or 0.67 decimal notation). The post op logMAR CDVA 0.48(0.33 in decimal notation) was 100%, where as logMAR UDVA 0.48(0.33 in decimal notation) was 92%. The efficacy index was 1.11 and safety index was 1.19. In the long run, no serious complications pertaining to corneal integrity were noticed and 4% of eyes had complaints of haloes and night vision problems. Conclusion: LASIK using PULZAR Z1 solid state laser, proved safe and effective providing predictable correction of moderate to high myopia.

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Results of laser in situ keratomileusis performed using solid-state laser technology

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

Cited by 4 publications

References 23 publications

Influence of the Difference Between Corneal and Refractive Astigmatism on LASIK Outcomes Using Solid-State Technology

Influence of the Difference Between Corneal and Refractive Astigmatism on LASIK Outcomes Using Solid-State Technology

One-Year Results of Photorefractive Keratectomy for Myopia and Compound Myopic Astigmatism with 210 nm Wavelength All Solid-State Laser for Refractive Surgery

Refractive and Visual Outcomes of Laser Insitu Kerato Mileusis for Moderate to High Myopia Using 213nm Solid State Laser - A Four Year Follow Up Study

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