Results 91 to 100 of about 114,361,734 (160)

Polarization engineering with ultrafast laser writing in transparent media

, 2012
In this thesis novel developments in the field of femtosecond laser material processing are reported. Thanks to the unique properties of light-matter interaction on ultrashort time scales, this direct writing technique allowed the observation of unique ...
Beresna, Martynas
core   +1 more source

Hyperopic laser in situ keratomileusis: Comparison of femtosecond laser and mechanical microkeratome flap creation

, 2015
Purpose To evaluate and compare the refractive predictability and stability of laser in situ keratomileusis (LASIK) flap creation performed with a femtosecond laser and with a mechanical microkeratome to correct mild to moderate hyperopia.
Awwad, Shady Tanus, Arba Mosquera, Samuel, Antonios, Rafic S.   +2 more
core   +1 more source

Comparison Between the Effect of Femtosecond Laser in situ Keratomileusis (FS-LASIK) and Femtosecond Small Incision Lenticule Extraction (FS-SMILE) on the Corneal Endothelium. [PDF]

Clin Ophthalmol, 2020
Shaaban YM, Shaaban YM, Badran TAF.
europepmc   +1 more source

Femtosecond laser-assisted laser in situ keratomileusis versus photorefractive keratectomy: Effect on ocular surface condition

, 2017
Purpose: To compare ocular surface characteristics in eyes after femtosecond laser-assisted laser in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK). Setting: Centro de Oftalmologia Barraquer, Barcelona, Spain.
Julio Morán, Gemma, Charoenrook, Victor, Gemma Julio, Juan Alvarez de Toledo, Victor Charoenrook, Alvarez de Toledo, Juan, Barraquer, Rafael I., Rafael I. Barraquer, Paola Sauvageot, Sauvageot, Paola   +9 more
core   +1 more source

Verification and measurement of the side-cut angle of corneal flap in patients undergoing LASIK surgery using FS 200 kHz femtosecond laser system versus conventional mechanical microkeratome

Clinical Ophthalmology, 2019
Sarah Taha, Sarah Azzam, Mohamed Anis, Cherif Zaazou, Mohamed HosnyDepartment of Ophthalmology, Cairo University Hospital, Cairo, EgyptIntroduction: This is a prospective nonrandomized interventional clinical trial conducted to measure and verify the ...
Taha S, Azzam S, Anis M, Zaazou C, Hosny M   +4 more
doaj  

Polarization diffraction grating produced by femtosecond laser nanostructuring in glass

We demonstrate polarization sensitive diffractive optical element fabrication by femtosecond direct writing in the bulk of silica glass. Modulation of the anisotropic properties is produced by controlling light-induced self-assembled nano ...
Kazansky, P.G., Beresna, M.
core   +1 more source

Effects of laser in situ keratomileusis on mental health-related quality of life

, 2016
Kaoru Tounaka-Fujii,1 Kenya Yuki,2 Kazuno Negishi,2 Ikuko Toda,3 Takayuki Abe,4 Keisuke Kouyama,4 Kazuo Tsubota2 1Health Center, Keio University, 2Department of Ophthalmology, Keio University School of Medicine, 3Minamiaoyama Eye Clinic, 4Center for ...
Negishi K, Tounaka-Fujii K, Toda I, Kouyama K, Yuki K, Abe T, Tsubota K   +6 more
core  

Comparison of clinical outcomes after femtosecond laser in situ keratomileusis in eyes with low or high myopia. [PDF]

Int J Ophthalmol, 2020
Park SH, Che CY, Kim SI, Park CY, Lee JH, Kim YH, Jung JW, Lee JS, Lee JE.   +8 more
europepmc   +1 more source

Fabrication of photonic devices in heavy metal oxide glass by femtosecond laser direct writing

Femtosecond laser can induce a permanent refractive index change inside various transparent materials via multiphoton absorption. This technique also opens up new possibilities for fabricating photonic devices in highly nonlinear glasses such as heavy ...
Corbari, Costantino, Kazansky, Peter G., Yang, Weijia, Sakaguchi, Koichi   +3 more
core   +1 more source

Comparison of efficacy, safety, and predictability of laser in situ keratomileusis using two laser suites

Clinical Ophthalmology, 2016
Alexandra Meidani,1–3 Chara Tzavara3 1Hypervision Laser Centre, 2Eye Day Clinic, 3Department of Hygiene, University of Athens Medical School, Centre for Health Services Research, Epidemiology and Medical Statistics, Athens, Greece Purpose: The ...
Meidani A, Tzavara C
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