Results 41 to 50 of about 24,883 (298)

Patient selection for corneal topographic evaluation of keratoconus: A screening approach using artificial intelligence

open access: yesFrontiers in Medicine, 2022
BackgroundCorneal topography is a clinically validated examination method for keratoconus. However, there is no clear guideline regarding patient selection for corneal topography.
Hyunmin Ahn   +6 more
doaj   +1 more source

Study of the dynamic tear film aberrations using a curvature sensing setup [PDF]

open access: yes, 2006
The advancement in adaptive optics in recent years has increased the interest in the dynamic aberrations of the eye, including those introduced by the first optical surface provided by the tear film.
Gruppetta, S., Lacombe, F., Puget, P.
core   +3 more sources

Requirement of Pax6 for the integration of guidance cues in cell migration [PDF]

open access: yes, 2017
Data accessibility. Cell trajectories data and a summary of directedness and angle values are deposited at Dryad: http://dx.doi.org/10.5061/dryad.53512.
Arocena, Miguel   +2 more
core   +1 more source

The corneal effects of intravitreal dexamethasone implantation

open access: yesTherapeutic Advances in Ophthalmology, 2020
Objectives: To evaluate the corneal effects of the intravitreal dexamethasone implantation using corneal topography and specular microscopy. Material and methods: 27 eyes of the 27 patients who received a single intravitreal dexamethasone implantation ...
Alper Halil Bayat   +3 more
doaj   +1 more source

Development of Contact Lens Suitability System (ClenSyst) [PDF]

open access: yes, 2009
This paper proposes a system that can determine the suitability of contact lenses usage.The aim of this work is to provide a decision making system by using the application of fuzzy logic to analyze and decide the appropriate type of contact lenses based
Che Hamzah, Jemaima   +3 more
core   +1 more source

Treatment of irregular astigmatism by topography-guided ablation [PDF]

open access: yesRevista Brasileira de Oftalmologia
Topography-guided ablation was designed to improve corneal regularity throughout the correction of corneal high order aberrations. The present report described three cases with different indications for topography-guided ablation to correct irregular ...
Adriana Geremias Toni   +5 more
doaj   +1 more source

Influence of overnight orthokeratology lens fitting decentration on corneal topography reshaping

open access: yesEye and Vision, 2018
BackgroundThis retrospective study was designed to investigate the sole influence of orthokeratology (OK) lens fitting decentration on the Zernike coefficients of the reshaped anterior corneal surface.MethodsThis study comprised a review of 106 right ...
Jiaojie Chen   +4 more
semanticscholar   +1 more source

Comparison of Corneal Parameters of Children with Diabetes Mellitus and Healthy Children

open access: yesJournal of Ophthalmology, 2019
Purpose. To compare differences in central corneal thickness (CCT), corneal curvature, and other corneal measurements of children with diabetes mellitus (DM) and healthy children, and to investigate related factors. Methods. This was a case-control study.
Shanshan Wang   +6 more
doaj   +1 more source

Corneal stromal demarcation line after collagen cross-linking in corneal ectatic diseases: a review of the literature [PDF]

open access: yes, 2016
Collagen cross-linking (CXL) is a relatively new conservative approach for progressive corneal ectasia, which is able to strengthen corneal tissue reforming new covalent bonds.
SPADEA, LEOPOLDO   +2 more
core   +1 more source

Characteristic of entire corneal topography and tomography for the detection of sub-clinical keratoconus with Zernike polynomials using Pentacam

open access: yesScientific Reports, 2017
The study aimed to characterize the entire corneal topography and tomography for the detection of sub-clinical keratoconus (KC) with a Zernike application method.
Zhe Xu   +9 more
semanticscholar   +1 more source

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