Results 21 to 30 of about 8,418 (217)

StreamLight Single-Step Transepithelial Photorefractive Keratectomy (PRK) for Myopia and Myopic Astigmatism. [PDF]

open access: yesJ Ophthalmol
Background: To report the refractive outcomes of StreamLight transepithelial photorefractive keratectomy (PRK). Methods: A retrospective case series was conducted which included a total of 205 eyes of 109 patients who underwent StreamLight transepithelial PRK using the Alcon Wavelight EX500 excimer laser.
Gunn DJ, Cox RA.
europepmc   +2 more sources

Photorefractive keratectomy for low myopia correction using different ablation profiles [PDF]

open access: yes, 2001
Objectives: The present study compares the results obtained with single zone PRK versus multiple zones PRK for treating low myopia. Methods: Nineteen patients presenting spherical equivalent up to 6.00 diopters of myopia, were submitted to PRK using two ...
Campos, Mauro Silveira de Queiroz   +3 more
core   +3 more sources

Treatment strategy for bilateral severe subepithelial fibrosis after photorefractive keratectomy enhancement

open access: yesRevista Brasileira de Oftalmologia, 2021
A 27-year-old healthy man with a history of bilateral photorefractive keratectomy (PRK) enhancement after femtosecond laser in situ keratomileusis (LASIK) presented with decreased uncorrected distance visual acuity (UDVA) of 20/125 in the right eye (OD ...
Roberto Pineda   +2 more
doaj   +1 more source

Effect of corneal light scatter on vision: a review of the literature [PDF]

open access: yes, 2016
The cornea is the transparent connective tissue window at the front of the eye. The physiological role of the cornea is to conduct external light into the eye, focus it, together with the lens, onto the retina, and to provide rigidity to the entire ...
MARAONE, GIORGIA   +4 more
core   +3 more sources

Safety of photorefractive keratectomy after Acanthamoeba keratitis [PDF]

open access: yesRevista Brasileira de Oftalmologia
This case report presents a patient who underwent photorefractive keratectomy 13 years after Acanthamoeba infection. The patient experienced prolonged difficulties in epithelialization during the postoperative period, leading to suspicion of reactivation.
Elisa Moya Kazmarek   +5 more
doaj   +1 more source

Validity of corneal topography in refractive surgery with excimer laser [PDF]

open access: yes, 2003
PURPOSE: To evaluate the refractive results and safety of PRK (photorefractive keratectomy) based on the preoperative corneal topography. METHODS: 44 operated eyes, using the photorefractive keratectomy process, and which presented preoperative ...
Abreu, Mariza Toledo de   +4 more
core   +2 more sources

Epithelial ingrowth following laser in situ keratomileusis (LASIK): prevalence, risk factors, management and visual outcomes [PDF]

open access: yes, 2018
The number of laser in situ keratomileusis (LASIK) procedures is continuing to rise. Since its first application for correcting simple refractive errors over 25 years ago, the role of LASIK has extended to treat other conditions, including ...
Danjoux, Jean-Pierre   +2 more
core   +1 more source

Application of a Cold Patch for Relieving Pain after Transepithelial Photorefractive Keratectomy

open access: yesPain Research and Management, 2015
Although photorefractive keratectomy often results in better corneal stability and fewer corneal flap complications than LASIK, pain remains a major drawback of the procedure.
Yuan Zeng, Yi Li, Jian-Hua Gao
doaj   +1 more source

Very late onset corneal haze in a photorefractive keratectomy patient associated with presumed viral keratoconjuctivitis

open access: yesIndian Journal of Ophthalmology, 2020
We report a rare case of very late-onset haze triggered by viral conjunctivitis, > 20 years after treatment of moderate myopia with photorefractive keratectomy (PRK), and its successful management.
Karmiris Efthymios   +3 more
doaj   +1 more source

Transepithelial photorefractive keratectomy for low to moderate myopia in comparison with conventional photorefractive keratectomy

open access: yesJournal of Ophthalmic & Vision Research, 2016
Purpose: To compare the effectiveness, safety and stability of the results of transepithelial photorefractive keratectomy (tPRK) with conventional photorefractive keratectomy (PRK) for low to moderate myopia. Methods: In this prospective non-randomized
Mostafa Naderi   +3 more
doaj   +1 more source

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