Results 11 to 20 of about 13,158 (161)

Predictive Correction Model for Corneal Back Surface Astigmatism With IOLMaster700 Keratometry Data in a Cataractous Population. [PDF]

open access: yesClin Exp Ophthalmol
ABSTRACT Background To develop and validate various models to predict total keratometry (TK) power vector components TKC0 and TKC45 from classical keratometry (K) KC0 and KC45 based on a large dataset of pre cataract surgery IOLMaster 700 measurements.
Langenbucher A   +10 more
europepmc   +2 more sources

Repeatability of manual and portable handheld automated keratometric measurements in pediatric population

open access: yesJournal of Clinical Ophthalmology and Research, 2018
Background: The cornea is not only responsible for the majority of the refraction of the eye, but is also readily accessible for measurement and modification.
Kunal Kaushik   +2 more
doaj   +1 more source

Accelerated versus Standard Corneal Cross-linking for Progressive Keratoconus in Syria

open access: yesJournal of Ophthalmic & Vision Research, 2021
Purpose: To compare the outcomes of accelerated versus standard corneal cross-linking for the treatment of progressive keratoconus. Methods: In this retrospective comparative study, 63 eyes of 40 patients with progressive keratoconus were divided into ...
Abdelrahman M Salman   +4 more
doaj   +1 more source

Novel Technique of Transepithelial Corneal Cross-Linking Using Iontophoresis in Progressive Keratoconus [PDF]

open access: yes, 2016
In this work, the authors presented the techniques and the preliminary results at 6 months of a randomized controlled trial (NCT02117999) comparing a novel transepithelial corneal cross-linking protocol using iontophoresis with the Dresden protocol for ...
Lombardo, Giuseppe   +4 more
core   +4 more sources

Refractive error study in young subjects: results from a rural area in Paraguay [PDF]

open access: yes, 2017
AIM: To evaluate the distribution of refractive error in young subjects in a rural area of Paraguay in the context of an international cooperation campaign for the prevention of blindness.
Estrella Lumeras, Miguel Ángel   +4 more
core   +11 more sources

Correlation between keratometry and corneal incision before and after phaco surgery [PDF]

open access: yesFolia Medica, 2021
Introduction: Cataract is a common cause of vision loss and blindness in humans. After surgical management of cataract, all efforts should be focused on reducing postoperative astigmatism thus providing an excellent vision to patients.Aim: To determine ...
Akbar Derakhshan   +3 more
doaj   +3 more sources

Refractive change following pseudophakic vitrectomy: a retrospective review [PDF]

open access: yes, 2008
Background To assess the occurrence and magnitude of refractive change in pseudophakic eyes undergoing 20 gauge pars plana vitrectomy without scleral buckling and to investigate possible aetiological factors.
Anthony Hildreth   +19 more
core   +5 more sources

Intrastromal corneal ring segments: how successful is the surgical treatment of keratoconus? [PDF]

open access: yes, 2014
This review evaluates the outcomes of intrastromal corneal ring segment (ICRS) implantation for the treatment of keratoconus considering a new grading system based on the preoperative visual impairment of the patient.
Alio, JL   +5 more
core   +1 more source

The effect of Gonioscopy on keratometry and corneal surface topography [PDF]

open access: yes, 2006
Background Biometric procedures such as keratometry performed shortly after contact procedures like gonioscopy and applanation tonometry could affect the validity of the measurement.
Mathew K George   +15 more
core   +1 more source

Impact of extreme (flat and steep) keratometry on the safety and efficacy of small incision lenticule extraction (SMILE)

open access: yesScientific Reports, 2021
Little is known about the connection between preoperative keratometry and postoperative results of myopic small-incision lenticule extraction (SMILE). To determine the influence of extreme (flat and steep) corneal keratometry on the safety and efficacy ...
Nikolaus Luft   +7 more
doaj   +1 more source

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