Results 101 to 110 of about 6,238 (208)

Age-Related Changes in Corneal Deformation Dynamics Utilizing Scheimpflug Imaging.

open access: yesPLoS ONE, 2015
PurposeTo study age-related changes in corneal deformation response to air-puff applanation tonometry.MethodsFifty healthy subjects were recruited for a prospective study and divided into two equal age groups (≤ 28 and ≥ 50 years old).
Marta E Rogowska, D Robert Iskander
doaj   +1 more source

Central Corneal Thickness in Highly Myopic Eyes: Inter-device Agreement of Ultrasonic Pachymetry, Pentacam and Orbscan II Before and After Photorefractive Keratectomy [PDF]

open access: yes, 2014
Purpose To determine inter-device agreement for central corneal thickness (CCT) measurement among ultrasound pachymetry, rotating Scheimpflug imaging (Pentacam, Oculus, Wetzlar, Germany), and scanning slit corneal topography (Orbscan II, Bausch & Lomb ...
Haji, Farnaz   +7 more
core   +1 more source

Miniature Fourier Ptychography Microscope using Raspberry Pi Camera and Hardware [PDF]

open access: yes, 2017
We report a Fourier ptychography setup using a raspberry pi camera sensor and its lens in reversed configuration. In this work data acquisition was performed by means of a raspberry pi board which eliminates the requirement of a computer for data ...
Aidukas, Tomas   +3 more
core   +1 more source

Adverse Outcome Pathways Applied to Space Radiation Research

open access: yesEnvironmental and Molecular Mutagenesis, Volume 66, Issue 8, Page 442-462, October 2025.
ABSTRACT Long‐duration spaceflight exposes astronauts to various stressors that can alter human physiology, potentially causing immediate and long‐term health effects. These stressors can damage biomolecules, cells, tissues, and organs, leading to adverse outcomes.
Vinita Chauhan   +18 more
wiley   +1 more source

Clinical and genetic investigation of amantadine-associated corneal edema

open access: yesClinical Ophthalmology, 2018
Michelle M Hessen, Sina Vahedi, Chloe T Khoo, Gelareh Vakili, Allen O Eghrari Division of Cornea, Cataract, & External Diseases, The Wilmer Eye Institute, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA Purpose: Amantadine use
Hessen MM   +4 more
doaj  

Non-invasive measurements of the dynamic changes in the ciliary muscle, crystalline lens morphology, and anterior chamber during accommodation with a high-resolution OCT [PDF]

open access: yes, 2017
Purpose The purpose of the study was to assess non-invasively the changes in the anterior chamber eye, crystalline lens morphology, and ciliary muscle during accommodation by means of an anterior chamber optical coherence tomographer (OCT), and correlate
A Domínguez-Vicent   +31 more
core   +2 more sources

Material properties from air puff corneal deformation by numerical simulations on model corneas [PDF]

open access: yes, 2016
19 págs.; 11 figs.; 2 tabs.Objective To validate a new method for reconstructing corneal biomechanical properties from air puff corneal deformation images using hydrogel polymer model corneas and porcine corneas.
Bekesi, Nandor   +3 more
core   +7 more sources

Corneal biomechanical data and biometric parameters measured with Scheimpflug-based devices on normal corneas [PDF]

open access: yes, 2018
L
Flaskó, Zsuzsanna   +5 more
core   +1 more source

Characterization of corneal structure in keratoconus [PDF]

open access: yes, 2012
Producción CientíficaThe increasing volume of patients interested in refractive surgery and the new treatment options available for keratoconus have generated a higher interest in achieving a better characterization of this pathology.
López Miguel, Alberto   +2 more
core   +2 more sources

Contact lens in keratoconus

open access: yesIndian Journal of Ophthalmology, 2013
Contact lenses are required for the visual improvement in patients with keratoconus. Various contact lens options, such as rigid gas permeable (RGP) lenses, soft and soft toric lenses, piggy back contact lenses (PBCL), hybrid lenses and scleral lenses ...
Varsha M Rathi   +2 more
doaj   +1 more source

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