scholarly journals Clinical outcomes using standard phacoemulsification and femtosecond laser-assisted surgery with toric intraocular lenses

2016 ◽  
pp. 555 ◽  
Author(s):  
Rick Potvin ◽  
Arnaldo Espaillat ◽  
Obniel Pérez
Keyword(s):  
Femtosecond Laser ◽  
Clinical Outcomes ◽  
Intraocular Lenses

Clinical outcomes of a novel IOL design for Femtosecond laser assisted cataract surgery

2018 ◽  
Vol 41 ◽  
pp. S51 ◽  
Author(s):  
Racquel Gil-Cazorla ◽  
Shehzad Naroo ◽  
Emma Berrow ◽  
James Wolffsohn ◽  
Sunil Shah
Keyword(s):  
Femtosecond Laser ◽  
Cataract Surgery ◽  
Clinical Outcomes

scholarly journals Clinical Outcomes of Combined Vitrectomy and Intrascleral Fixation of New Intraocular Lenses in In-the-bag Dislocations

2018 ◽  
Vol 59 (7) ◽  
pp. 657 ◽  
Author(s):  
Min Soo Lee ◽  
Sue Hey Chae ◽  
Chan Woo Bang ◽  
Hye Min Jeon ◽  
Hee Seong Yoon
Keyword(s):  
Clinical Outcomes ◽  
Intraocular Lenses

Long-term Clinical Outcomes of Femtosecond LASER-Assisted Descemet's Stripping Endothelial Keratoplasty

2011 ◽  
Vol 52 (6) ◽  
pp. 679 ◽  
Author(s):  
Byung Gil Moon ◽  
Jae Hyung Kim ◽  
Joo Eun Lee ◽  
Myoung Joon Kim ◽  
Jae Yong Kim ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Clinical Outcomes ◽  
Endothelial Keratoplasty ◽  
Descemet’S Stripping Endothelial Keratoplasty

Effect of the variability in implantation depth of intracorneal ring segments using the femtosecond laser technology in corneal ectasia

2019 ◽  
Vol 30 (4) ◽  
pp. 668-675
Author(s):  
Cristina Peris-Martínez ◽  
Cristina Dualde-Beltrán ◽  
Ester Fernández-López ◽  
Maria José Roig-Revert ◽  
Mikhail Hernández-Díaz ◽  
...  
Keyword(s):  
Visual Acuity ◽  
Femtosecond Laser ◽  
Clinical Outcomes ◽  
Relative Depth ◽  
Laser Technology ◽  
Corneal Ectasia ◽  
Implantation Depth ◽  
Prospective Longitudinal ◽  
The Impact

Purpose: To analyze the impact of the depth of implantation of intracorneal ring segments on morphological, biomechanical, and clinical outcomes in ectatic corneas. Methods: This prospective longitudinal study enrolled 40 eyes of 29 patients (age 20–51 years) with corneal ectasia that underwent intracorneal ring segments implantation (KeraRing, Mediphacos). Changes in visual acuity, refraction, corneal tomography, and corneal biomechanics (Ocular Response Analyzer, Reichert) were evaluated during a 6 month follow-up. Likewise, changes in ring segment implantation depth measured by optical coherence tomography (Visante OCT, Carl Zeiss Meditec) were also evaluated. Results: Mean relative depth of implantation was 71.6 ± 5.8%, 71.5 ± 6.5%, and 71.9 ± 6.3% at 1, 3, and 6 months after surgery, respectively (p = 0.827). The difference between the real relative depth of implantation and the theoretical attempted value of 70% was not statistically significant (p = 0.072). Differences in spherical equivalent during the follow-up changed significantly depending on the level of relative depth of implantation (p = 0.036), with an increase of 0.114 D per each 1% increase in relative depth of implantation. Likewise, a decrease of –0.194 D in the steepest keratometric reading was found per each decrease of 1% in relative depth of implantation (p = 0.026). Changes in corneal thickness (p = 0.092) and biomechanics (p = 0.080) were not related to relative depth of implantation. Conclusion: The effect on visual acuity and refraction of intracorneal ring segments when implanted in corneal ectasia is less clinically relevant when the implantation is done at a very deep plane. The variability of the depth of intracorneal ring segments implantation when using femtosecond laser technology is minimal and with no clinically significant effect on clinical outcomes.

scholarly journals Micromachining of Transparent Biocompatible Polymers Applied in Medicine Using Bursts of Femtosecond Laser Pulses

Micromachines ◽  
2020 ◽  
Vol 11 (12) ◽  
pp. 1093
Author(s):  
Evaldas Kažukauskas ◽  
Simas Butkus ◽  
Piotr Tokarski ◽  
Vytautas Jukna ◽  
Martynas Barkauskas ◽  
...  
Keyword(s):  
Surface Roughness ◽  
Femtosecond Laser ◽  
Contact Lenses ◽  
Laser Pulses ◽  
Laser Micromachining ◽  
Femtosecond Laser Pulses ◽  
Intraocular Lenses ◽  
Great Promise ◽  
Biocompatible Polymers ◽  
Mechanical Methods

Biocompatible polymers are used for many different purposes (catheters, artificial heart components, dentistry products, etc.). An important field for biocompatible polymers is the production of vision implants known as intraocular lenses or custom-shape contact lenses. Typically, curved surfaces are manufactured by mechanical means such as milling, turning or lathe cutting. The 2.5 D objects/surfaces can also be manufactured by means of laser micromachining; however, due to the nature of light–matter interaction, it is difficult to produce a surface finish with surface roughness values lower than ~1 µm Ra. Therefore, laser micromachining alone can’t produce the final parts with optical-grade quality. Laser machined surfaces may be polished via mechanical methods; however, the process may take up to several days, which makes the production of implants economically challenging. The aim of this study is the investigation of the polishing capabilities of rough (~1 µm Ra) hydrophilic acrylic surfaces using bursts of femtosecond laser pulses. By changing different laser parameters, it was possible to find a regime where the surface roughness can be minimized to 18 nm Ra, while the polishing of the entire part takes a matter of seconds. The produced surface demonstrates a transparent appearance and the process shows great promise towards commercial fabrication of low surface roughness custom-shape optics.

Primary femtosecond laser posterior capsulotomy: Without clinical outcomes, caution should be exercised

2017 ◽  
Vol 43 (9) ◽  
pp. 1237 ◽  
Author(s):  
Fiona S. Lau ◽  
Anna M. Waldie ◽  
Sascha K.R. Spencer ◽  
Ian C. Francis
Keyword(s):  
Femtosecond Laser ◽  
Clinical Outcomes ◽  
Posterior Capsulotomy
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