Results 31 to 40 of about 37,507 (244)

Current approaches to the intraocular correction of postoperative aphakia after corneal refractive surgery (a review)

open access: yesOftalʹmologiâ, 2015
Cataract surgery after radial keratotomy (RK) represents many challenges as many patients who had RK are now developing visually significant cataracts. Currently, cataract surgery is not only the exchange of opaque lens but a refractive procedure as well.
Yu. A. Gusev   +3 more
doaj   +1 more source

Analysis of the pathogenic factors and management of dry eye in ocular surface disorders [PDF]

open access: yes, 2017
The tear film represents the interface between the eye and the environment. The alteration of the delicate balance that regulates the secretion and distribution of the tear film determines the dry eye (DE) syndrome. Despite having a multifactorial origin,
Albietz   +14 more
core   +1 more source

The variability of corneal and anterior segment parameters in keratoconus [PDF]

open access: yes, 2016
Purpose: To analyse, describe and test diverse corneal and anterior segment parameters in normal and keratoconic eyes to better understand the geometry of the keratoconic cornea. Method: 44 eyes from 44 keratoconic patients and 44 eyes from 44 healthy
Cardona Torradeflot, Genís   +3 more
core   +1 more source

Intraocular lens power calculation in eyes with previous corneal refractive surgery

open access: yesEye and Vision, 2018
Background This review aims to explain the reasons why intraocular lens (IOL) power calculation is challenging in eyes with previous corneal refractive surgery and what solutions are currently available to obtain more accurate results.
Giacomo Savini, Kenneth J. Hoffer
doaj   +1 more source

Investigation of corneal biomechanical properties using the CORVIS ST device (Oculus, Germany) in patients with myopia and myopic astigmatism

open access: yesОфтальмохирургия, 2021
Purpose. To evaluate the corneal biomechanical properties using the CORVIS ST device (Oculus, Germany) in patients with myopia and myopic astigmatism with intact cornea as well as in patients with myopia and myopic astigmatism who underwent excimer laser
V. D. Antonuk, T. S. Kuznetsova
doaj   +1 more source

Femtosecond Laser-Assisted In Situ Keratomileusis Treatment of Residual Refractive Error following Femtosecond Laser-Enabled Keratoplasty. [PDF]

open access: yes, 2019
Purpose:To evaluate the safety and effectiveness of femtosecond laser-assisted in situ keratomileusis (LASIK) in the treatment of residual myopia and astigmatism following femtosecond laser-enabled keratoplasty (FLEK).
Farid, Marjan   +4 more
core   +1 more source

Razões para recusar candidatos à cirurgia refrativa corneana [PDF]

open access: yes, 2002
Purpose: To present how the section of Refractive Surgery of the Federal University of São Paulo assesses the candidates and the reasons to indicate for corneal refractive surgery. Methods: We examined 1626 patients.
Allemann, Norma   +4 more
core   +3 more sources

Near visual function measured with a novel tablet application in patients with astigmatism

open access: yesClinical and Experimental Optometry, EarlyView., 2020
Clinical relevance While the clinical focus of performance metrics is traditionally based on visual acuity, research from the field of visual impairment has demonstrated that metrics such as reading speed and critical print size correlate much more strongly with subjective patient reported outcomes and assessed ability in real‐world tasks.
Ananya Datta   +8 more
wiley   +1 more source

Management of delayed corneal epithelial healing after refractive surgery: five case reports

open access: yesFrontiers in Medicine
BackgroundTransepithelial photorefractive keratectomy using Smart Pulse Technology (SPT-TransPRK) is currently the leading method for superficial refractive surgery, offering advantages such as a non-contact procedure, shorter operation times, and ...
Chunxiao Yan   +11 more
doaj   +1 more source

Corneal densitometry after photorefractive keratectomy, laser- assisted in situ keratomileusis, and small-incision lenticule extraction [PDF]

open access: yes, 2017
Purpose: The aim of this study was to gain greater insight into the corneal densitometry changes occurring as a result of refractive surgery and to compare these changes across three widely used surgical techniques, namely, photorefractive keratectomy (
Argüeso Díaz-Trechuelo, Francisco   +7 more
core   +2 more sources

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