Results 191 to 200 of about 23,804 (236)
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Finite element simulations of laser refractive corneal surgery
Engineering with Computers, 2008We setup a mechanically based finite element model to evaluate the change in the shape of the human cornea induced by ablation of stromal tissue. By considering the deformability of the cornea, the model computes the change of the dioptric power resulting from ablative laser surgery.
PANDOLFI, ANNA MARINA +2 more
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Laser Corneal Refractive Surgery: An Update
2013Lamellar corneal surgery for the correction of refractive errors has been evolving for more than 60 years. LASIK (laser-assisted in situ keratomileusis) is a well-known procedure for correction of different refractive defects as myopia, hyperopia and astigmatism.
Jose L. Güell +4 more
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Update on Laser Corneal Surgery
International Ophthalmology Clinics, 1991J H, Talamo +2 more
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Corneal Inflammation Following Excimer Laser Surgery
2014Millions of surface ablation excimer laser surgeries are performed worldwide. The normal cornea, when photoablated, reacts in a way specific to this process. The fundamentals of this biological reactivity are based on the normal structure of the photoablated cornea and on the energy delivered by the laser.
Jaime Javaloy +2 more
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Time-expanding options in laser corneal refractive surgery
British Journal of Ophthalmology, 2013It was not until the early 1990s that some of the corneoplastic principles proposed by Jose Ignacio Barraquer were translated into widespread clinical and surgical practice worldwide. There were limitations in precision with the available mechanical microkeratomes at that time, but they were good enough to create non-refractive lamellar cuts though ...
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Cosmology with the Laser Interferometer Space Antenna
Living Reviews in Relativity, 2023Germano Nardini
exaly
Pulsed Laser in Liquids Made Nanomaterials for Catalysis
Chemical Reviews, 2021Ryland C Forsythe, Astrid M Müller
exaly
[Laser and corneal surgery: pathological anatomy].
Bulletin de la Societe belge d'ophtalmologie, 1998The studies of the effects of different lasers on the cornea have usually been done on animals. These studies show that ultra-violet lasers (Excimer 193 nm, 213 nm) have a pure photo-ablative effect, without distant lesions. The corneal endothelium is always intact as long as the laser beam is acting at a distance of more than 50 microns from the cells.
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