Results 31 to 40 of about 2,292 (192)

Short-Term Effect of Wearing of Extended Depth-of-Focus Contact Lenses in Myopic Children: A Pilot Study

open access: yesApplied Sciences, 2022
This pseudo-experimental, prospective, and longitudinal pilot study was conducted to characterize the optical and visual changes occurring in the short-term wear of a hydrophilic contact lens (CL) based on extended focus technology (EDOF).
Gema Corpus, David P. Piñero
doaj   +1 more source

Visual Quality, Motility Behavior, and Retinal Changes Associated with Reading Tasks Performed on Electronic Devices

open access: yesLife, 2023
Background: The purpose of this study was to objectively evaluate visual discomfort using an eye tracker and aberrometer after a 21-min reading session on an iPad and an Ebook.
Elvira Orduna-Hospital   +2 more
doaj   +1 more source

Aberrometry in ophthalmology and its applications in cataract surgery

open access: yesTNOA Journal of Ophthalmic Science and Research, 2023
We live in a world of exponentially increasing technology advancements and improving patient care has become a priority for all health care providers.
Josephine S Christy, Aditi Parab
doaj   +1 more source

The Effect of Accommodation on Peripheral Refraction under Two Illumination Conditions

open access: yesPhotonics, 2022
The clinical importance of peripheral refraction as a function of accommodation has become increasingly evident in the last years with special attention given to myopia control. Low order ocular aberrations were measured with a Hartmann–Shack aberrometer
Raquel van Ginkel   +3 more
doaj   +1 more source

Aberrometry Repeatability and Agreement with Autorefraction [PDF]

open access: yesOptometry and Vision Science, 2017
SIGNIFICANCE Commercially available aberrometers are essential to clinical studies evaluating refractive error and image quality. The Discovery System (Innovative Visual Systems, Elmhurst, IL) is a promising clinical instrument that allows investigators to export aberration data for research and analysis ...
Mylan T, Nguyen, David A, Berntsen
openaire   +2 more sources

Aberrometric and visual outcome of intracorneal ring segments with sequential epi-off accelerated cross-linking in keratoconus corneas: a long-term follow-up study

open access: yesDelta Journal of Ophthalmology, 2021
Purpose The aim of this study was to analyze the effectiveness, predictability, and aberrometric changes of implanted intracorneal ring segments (ICRSs) with sequential cross-linking (CXL) in keratoconus patients during a 24-month follow-up period ...
Hany S Elsaftawy   +4 more
doaj   +1 more source

Changes in post-keratoplasty astigmatism after suture removal: refraction vs tomography vs aberrometry [PDF]

open access: yesInternational Journal of Ophthalmology, 2021
AIM: To analyse the changes in magnitude and orientation of astigmatism after suture removal (SR) in keratoplasty eyes as measured by refraction, tomography, and aberrometry. METHODS: Twenty-six eyes of 25 patients after optical keratoplasty requiring SR
Suraj Kumar Chaurasiya   +3 more
doaj   +1 more source

Possible corneal aberrometric changes after upper eyelid ptosis surgery [PDF]

open access: yesNovelty in Clinical Medicine, 2023
Background: Congenital upper eyelid ptosis is a common benign disorder in children that may cause visual and functional problems as well as cosmetic problems.
Rahim Safari   +3 more
doaj   +1 more source

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