Results 21 to 30 of about 9,886 (228)
Evaluation of corneal backward light scattering in type 2 diabetes mellitus [PDF]
International Journal of Ophthalmology, 2023 AIM: To compare the corneal backward light scattering values in type 2 diabetes mellitus (DM) patients with those of age and sex-matched healthy controls. METHODS: The study included 30 patients (30 eyes) with type 2 DM and 30 control subjects (30 eyes).
Amira Elagamy +2 more
doaj +1 more source
The variability of corneal and anterior segment parameters in keratoconus [PDF]
, 2016 Purpose: To analyse, describe and test diverse corneal and anterior segment parameters in normal and keratoconic eyes to better understand the geometry of the keratoconic cornea. Method: 44 eyes from 44 keratoconic patients and 44 eyes from 44 healthy
Cardona Torradeflot, Genís +3 more
core +1 more source
Comparison of Anterior Segment Biometric Measurements between Pentacam HR and IOLMaster in Normal and High Myopic Eyes. [PDF]
PLoS ONE, 2015 To compare the anterior chamber depth (ACD), keratometry (K) and astigmatism measurements taken by IOLMaster and Pentacam HR in normal and high myopic (HM) eyes.A prospective observational case series.Sixty-six normal eyes and 59 HM eyes underwent ACD ...
Jing Dong +6 more
doaj +1 more source
BMC Ophthalmology, 2023 Background To compare the characteristics of corneal thickness measurements among the RTVue, Casia-2, and Pentacam in patients with mild-to-moderate keratoconus.
Bingqing Sun +7 more
doaj +1 more source
Posterior corneal surface stability after femtosecond laser-assisted keratomileusis [PDF]
, 2015 The purpose of this study was to evaluate posterior corneal surface variation after femtosecond laser-assisted keratomileusis in patients with myopia and myopic astigmatism. Patients were evaluated by corneal tomography preoperatively and at 1, 6, and 12
Cagini, Carlo +6 more
core +3 more sources
Comparison between two scheimpflug anterior segment analyzers
Journal of Ophthalmic & Vision Research, 2017 Purpose: To compare the anterior segment indices measured by two Scheimpflug camera machines; Galilei and Pentacam. Methods: In this observational case series, the anterior segment indices of myopic healthy subjects seeking for refractive surgery were ...
Alireza Baradaran-Rafii +5 more
doaj +1 more source
Comparison of corneal and lens density measurements obtained by Pentacam and CASIA2 in myopes
BMC Ophthalmology, 2023 Purpose To investigate the agreement between Pentacam and CASIA2 in the evaluation of corneal densities (CDs) and lens densities (LDs) in myopes. Methods Fifty-three patients (106 eyes) underwent comprehensive ophthalmologic examinations.
Yijia Xu +5 more
doaj +1 more source
An artifact in fits to conic-based surfaces [PDF]
, 2009 It is common in Physiological Optics to fit the corneal and the lens surfaces to conic-based surfaces (usually ellipse-based surfaces), obtaining their characteristic radius of curvature and asphericity.
Dorronsoro, Carlos +2 more
core +3 more sources
PLoS ONE, 2020 The purpose of this study was to compare central corneal thickness, thinnest corneal thickness, and the thinnest point of the cornea between Pentacam and anterior segment optical coherence tomography (ASOCT) in patients with dry eye disease (DED).
Keiichi Fujimoto +9 more
doaj +1 more source
Variation analysis and influencing factors in different corneal morphologies measured by the Pentacam system [PDF]
Yixue xinzhi zazhi, 2021 Objective To explore the variation in different corneal morphologies in Pentacam Scheimpflug tomography and the feasibility of assisting diagnosis of abnormal corneal posterior surface height.
Dong-Qing YUAN, Hua ZHONG, Qin CHEN
doaj +1 more source