Results 111 to 120 of about 15,957 (233)

Peripheral refraction in myopic patients after Orthokeratology [PDF]

open access: yes, 2010
Purpose: The purpose of this study was to characterize the central and peripheral refraction across the horizontal meridian of the visual field before and after myopic corneal refractive therapy (CRT) with contact lenses.
González-Méijome, José Manuel   +4 more
core   +1 more source

The Risk of Acanthamoeba keratitis: What Underlies the Propositions to Fully Exclude Water from the Treatment Procedures for Rigid Gas Permeable Contact Lenses?

open access: yesРоссийский офтальмологический журнал, 2018
We have critically analyzed the article by J.E. Legarreta et al. (Acanthamoeba Keratitis Associated with Tap Water Use during Contact Lens Cleaning: Manufacturer Guidelines Need to Change.
D. S. Mirsayafov   +4 more
doaj   +1 more source

Effects of scleral-lens oxygen transmissibility on corneal thickness: A pilot study. [PDF]

open access: yes, 2019
PurposeTo investigate the effect of various oxygen transmissibilities (Dk/t) of scleral lenses and corneal thickness recovery time from overnight eye closure with patching on corneal edema during 5 h lens wear.MethodsScleral lenses (hofocon A, 15.6 mm ...
Kim, Young Hyun   +5 more
core  

Changes in Diadenosine Polyphosphates during Alignment-Fit and Orthokeratology Rigid Gas Permeable [PDF]

open access: yes, 2012
Purpose.: To evaluate the levels of dinucleotides diadenosine tetraphosphate (Ap4A) and diadenosine pentaphosphate (Ap5A) in tears of patients wearing rigid gas permeable (RGP) contact lenses on a daily wear basis and of patients wearing reverse-geometry
Carracedo Rodríguez, Juan Gonzalo   +2 more
core   +1 more source

Adaptación de lente de contacto cosmética en un caso de midriasis máxima irrefléxica y estrabismo tras cirugía complicada de cataratas [PDF]

open access: yes, 2014
Se presenta un caso clínico con solución de lente de contacto cosmética para una paciente con midriasis máxima irrefléxica provocada por una complicación en cirugía de cataratas. El caso se complica al tener la paciente, además, una endo e hipertropía en
Castejón García, Raquel   +3 more
core   +1 more source

Corneoscleral laceration and ocular burns caused by electronic cigarette explosions [PDF]

open access: yes, 2016
PURPOSE: To report cases of acute globe rupture and bilateral corneal burns from electronic cigarette (EC) explosions. METHODS: Case series. RESULTS: We describe a series of patients with corneal injury caused by EC explosions.
Echalier, Elizabeth   +6 more
core   +2 more sources

An observational study of changes in corneal parameters following use of soft contact lens and rigid gas permeable lens

open access: yesAsian Journal of Medical Sciences, 2017
Background: There have been significant advancements in contact lens designs and materials over the past few decades, the lenses still represent a foreign body in the ocular environment and may lead to physiological (corneal oedema or thinning) as well ...
Neha Chandrakar
doaj   +1 more source

Práctica y actitud profesional en el manejo del paciente con queratocono en Portugal [PDF]

open access: yes, 2019
El queratocono es una enfermedad no inflamatoria, degenerativa de la córnea que en la medida en que progresa induce una pérdida significativa de la agudeza visual solo corregible con lentes de contacto (LC) rígidas permeable a los gases (RPG).
Dias Rahmani, Mariana
core   +1 more source

Fractal analysis of AFM images of worn-out contact lens inner surface [PDF]

open access: yes, 2008
Interesovanje za tehnologiju površina biomaterijala podstaklo je istraživanje unutrašnje površine gas-propusnih kontaktnih sočiva, uz korišćenje skenirajućeg mikroskopa za snimanje.
Babić, Bojan   +2 more
core   +2 more sources

Longitudinal assessment of the progression of severe keratoconus based on corneal topography

open access: yesScientific Reports
We aimed to assess long-term disease progression in patients with severe keratoconus (KC). Clinical records of 125 patients (201 eyes) with severe KC followed-up for > 12 months were retrospectively analyzed.
XiaoDi Yang   +4 more
doaj   +1 more source

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