Comparison of measurements and calculated lens power using three biometers: a Scheimpflug tomographer with partial coherence interferometry and two swept source optical coherence tomographers [PDF]
BMC OphthalmologyPurpose 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 +2 more sources
Measurements of white-to-white corneal diameter and anterior chamber parameters using the Pentacam AXL wave and their correlations in the adult Saudi population [PDF]
PeerJBackground Assessment of eye parameters such as the white-to-white (WTW) corneal diameter, anterior chamber depth (ACD), and anterior chamber angle (ACA) are essential for preoperative evaluation of refractive surgery and diagnosing and managing some ...
Wafa M. Alotaibi +3 more
doaj +3 more sources
New Approach for the Calculation of the Intraocular Lens Power Based on the Fictitious Corneal Refractive Index Estimation [PDF]
Journal of Ophthalmology, Volume 2019, Issue 1, 2019., 2019 Purpose. To identify the sources of error in predictability beyond the effective lens position and to develop two new thick lens equations. Methods. Retrospective observational case series with 43 eyes.
Fernández, Joaquín +4 more
core +3 more sources
Comparison of ocular biometric measurements and intraocular lens power calculation using different methods in eyes with implantable collamer lenses [PDF]
Scientific ReportsThis prospective cohort study included 80 healthy candidates for Implantable Collamer Lens (ICL) implantation who underwent biometric assessments with Scheimpflug imaging (the Pentacam-AXL) and swept-source optical coherence tomography (SS-OCT; the ...
Ramin Salouti +4 more
doaj +2 more sources
Development of a dry eye index as a new biomarker of dry eye disease [PDF]
Ophthalmic and Physiological Optics, Volume 44, Issue 7, Page 1472-1483, November 2024.Purpose: To evaluate signs and symptoms in patients diagnosed with dry eye disease (DED), divided into dry eye (DE) groups, in order to find a new biomarker that allows an accurate diagnosis, management and classification of DED.
Castanera Gratacós, Diego +3 more
core +2 more sources
Agreement between swept-source OCT-based and Scheimpflug-based optical biometers in myopic children [PDF]
International Journal of OphthalmologyAIM: To evaluate the agreement of axial length (AL), anterior chamber parameters, and total cornea power obtained by swept-source optical coherence tomography (SS-OCT)-based and Scheimpflug-based optical biometers in myopic children.
Ying-Yan Qin +6 more
doaj +2 more sources
Comparison of apparent and three-dimensional pupillary diameter measurements in cataract patients and their impact on multifocal intraocular lens selection [PDF]
Scientific ReportsThe pupillary diameter (PD) clinically observed and measured by conventional devices represents a apparent PD of the anatomical pupil projected onto the corneal plane, yet the relationship between this apparent PD and three-dimensional PD (3D PD) in ...
Bin Wang +3 more
doaj +2 more sources
Agreement between a new fully automatic ocular biometer based on optical low-coherence reflectometry and an optical biometer based on Scheimpflug imaging combined with partial coherence interferometry [PDF]
BMC OphthalmologyBackground To analyze the difference and agreement between measurements obtained by a new fully automatic optical biometer, the SW-9000 μm Plus, based on optical low-coherence reflectometry (OLCR) and a commonly used optical biometer (Pentacam AXL) based
Rui Ning +10 more
doaj +2 more sources
Analysis of preoperative ocular optical parameters in patients with cataract [PDF]
BioMedical Engineering OnLineThis study aims to evaluate the distribution of preoperative corneal parameters obtained using the Pentacam anterior segment analyzer in Chinese male and female patients with cataracts and to investigate the correlation between these parameters and ...
Wenqun Xi +8 more
doaj +2 more sources
Factors that affect distance-corrected near visual acuity in partial range of focus intraocular lenses [PDF]
Scientific ReportsPartial range of focus (ROF) intraocular lenses (IOL) offer excellent distance and intermediate visual acuity, but usually limited distance-corrected near visual acuity (DCNVA). We evaluated the characteristics of eyes implanted with two specific ROF IOL
Marc Biarnés +7 more
doaj +2 more sources