Results 51 to 60 of about 5,398 (168)

Comparative study of the corneal morphological characteristics of keratoconus evaluated using Pentacam, Sirius, and CASIA2

open access: yesPhotodiagnosis and Photodynamic Therapy
Purpose: To compare the corneal morphology measurements of keratoconus using Pentacam, Sirius, and CASIA2. Methods: Patients diagnosed with keratoconus at Fudan Eye and ENT Hospital (January to November, 2022) were included.
Bingqing Sun   +7 more
doaj   +1 more source

Crystalline Lens Thickness Changes in Myopia Children During Long‐Term Orthokeratology Treatment

open access: yesJournal of Ophthalmology, Volume 2026, Issue 1, 2026.
Objectives To investigate ocular parameters associated with axial length (AL) growth in children wearing orthokeratology lens during 2 years of follow‐up. Methods This is a retrospective study. Medical records of 46 patients who underwent orthokeratology treatment for 2 years were reviewed.
Bohua Jiang   +8 more
wiley   +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

open access: yesJournal of Ophthalmic & Vision Research, 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 ...
Nader Nassiri   +7 more
doaj  

Comparison of measurements and calculated lens power using three biometers: a Scheimpflug tomographer with partial coherence interferometry and two swept source optical coherence tomographers

open access: yesBMC Ophthalmology
Purpose To compare the biometric measurements obtained from the Pentacam AXL Wave, IOLMaster 700, and ANTERION and calculate the recommended intraocular lens power using the Barrett Formulae.
Robert Edward T. Ang   +5 more
doaj   +1 more source

ReLEx® SMILE TECHNOLOGY – EVOLUTION OF SURGICAL CORRECTION OF MYOPIA

open access: yesОфтальмохирургия, 2017
Purpose. To study results of the ReLEx® SMILE operation to correct myopia and myopic astigmatism at a two-year follow-up. Material and methods. The SMILE surgery was performed in the patients of the main group for a correction of myopia with the sphere ...
A. B. Kachanov, S. A. Nikulin
doaj   +1 more source

Reliability and repeatability of the Pentacam on corneal curvatures [PDF]

open access: yesClinical and Experimental Optometry, 2009
The purpose of this study was to assess the intra-observer reliability and inter-session repeatability of the Pentacam system (Oculus, Inc.) on the simulated keratometry readings (Sim K) and peripheral corneal curvatures (PCC) at both the anterior and posterior corneal surfaces.One eye was randomly selected from each of the 39 normal subjects from the ...
Davie, Chen, Andrew K C, Lam
openaire   +2 more sources

One‐Year Outcomes of Topography‐Guided LASIK for Myopia and Astigmatism

open access: yesJournal of Ophthalmology, Volume 2026, Issue 1, 2026.
Introduction To assess the efficacy and safety of topography‐guided LASIK (TG‐LASIK) in correcting myopia and astigmatism and to evaluate clinical outcomes and visual quality postoperatively. Methods We conducted a prospective study including patients aged 18–40 years with stable refraction for over 12 months.
Shanshan Wei   +8 more
wiley   +1 more source

Evaluation of Corneal Irregular Astigmatism and Visual Quality Following Bilateral Sequential SMILE and LASEK: A Six‐Year Comparative Study

open access: yesJournal of Ophthalmology, Volume 2026, Issue 1, 2026.
Purpose To compare the corneal spherical component (SC), regular astigmatism (RA), irregular astigmatism (IA, including asymmetry and irregularity), and visual quality 6 years after small incision lenticule extraction (SMILE) and laser subepithelial keratomileusis (LASEK) for mild‐to‐moderate myopia.
Hua Li   +7 more
wiley   +1 more source

Ophthalmomyiasis externa by Musca domestica in a case of orbital metastasis

open access: yesIndian Journal of Ophthalmology, 2013
Infestation of the living tissues of the eye, ocular adnexae or orbit by larvae of flies of the order Diptera is known as ophthalmomyiasis. Ophthalmomyiasis externa is a limited superficial infestation of external ocular structures such as conjunctiva ...
Rose Mary Tomy, Padma B Prabhu
doaj   +1 more source

Exploring the Impact of Refractive and Ocular Residual Astigmatism on Stereopsis After Photorefractive Keratectomy in Patients With Myopic Astigmatism

open access: yesJournal of Ophthalmology, Volume 2026, Issue 1, 2026.
Background To investigate the impact of refractive and ocular residual astigmatism (ORA) on stereopsis after photorefractive keratectomy (PRK) for the correction of myopic astigmatism. Methods This prospective observational study was conducted on patients who underwent PRK for the treatment of myopia and myopic astigmatism using a Schwind Amaris 1050RS
Faezeh Fayaz   +5 more
wiley   +1 more source

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