Results 71 to 80 of about 3,801 (190)

Review of Calibration Methods for Scheimpflug Camera [PDF]

, 2018
The Scheimpflug camera offers a wide range of applications in the field of typical close-range photogrammetry, particle image velocity, and digital image correlation due to the fact that the depth-of-view of Scheimpflug camera can be greatly extended ...
Cong Sun, Haibo Liu, Mengna Jia, Shengyi Chen   +3 more
core   +1 more source

Combined Stereoscopic Particle Image Velocimetry and Line Integral Convolution Methods: Application to a Sphere Sedimenting Near a Wall in a Non-Newtonian Fluid. [PDF]

, 2005
The flow fields for a sphere sedimenting through a Newtonian and two non-Newtonian liquids near a wall in a square tank are investigated using 3-D stereoscopic particle image velocimetry (PIV) and line integral convolution (LIC) methods.
Finnis, Mark V., Tatum, J. A., Harrison, G. M., Lawson, Nicholas J.   +3 more
core  

A review of angle kappa and multifocal intraocular lenses and their effect on visual outcomes

Acta Ophthalmologica, Volume 104, Issue 2, Page e122-e138, March 2026.
Abstract Although most patients are satisfied with their vision after multifocal intraocular lens (IOL) implantation, dissatisfaction has been reported for various reasons, including poor visual outcomes and visual disturbances. Many published reports hypothesise that preoperative angle kappa may be an associated factor in patient dissatisfaction ...
Thomas Kohnen, Viswanathan Ramasubramanian, Rajaraman Suryakumar   +2 more
wiley   +1 more source

Predictive Correction Model for Corneal Back Surface Astigmatism With IOLMaster700 Keratometry Data in a Cataractous Population

Clinical &Experimental Ophthalmology, Volume 54, Issue 1, Page 21-32, January/February 2026.
ABSTRACT Background To develop and validate various models to predict total keratometry (TK) power vector components TKC0 and TKC45 from classical keratometry (K) KC0 and KC45 based on a large dataset of pre cataract surgery IOLMaster 700 measurements.
Achim Langenbucher, Peter Hoffmann, Alan Cayless, Nóra Szentmáry, Kamran Riaz, Damien Gatinel, Oliver Findl, Seth Pantanelli, Tun Kuan Yeo, Giacomo Savini, Jascha Wendelstein   +10 more
wiley   +1 more source

Comparative Study of Anterior Chamber Morphometrics Between Scheimpflug Tomography and Swept‐Source Optical Coherence Tomography

Journal of Ophthalmology, Volume 2026, Issue 1, 2026.
Purpose To compare the difference, correlation, and agreement of anterior chamber parameters measured by Pentacam and CASIA 2. Methods A total of 89 myopic patients (89 right eyes) of Beijing Tongren Hospital were included. Anterior chamber depth (ACD), anterior chamber volume (ACV), and anterior chamber angle (ACA) were measured by Pentacam and CASIA ...
Yi Fan Li, Lin Shen, Chuan Chuan Wei, Wen Li Yang, Deepali   +4 more
wiley   +1 more source

Comparative Topographic and Tomographic Assessment of Post‐LASIK Corneal Ectasia

Journal of Ophthalmology, Volume 2026, Issue 1, 2026.
Purpose To evaluate and compare the topographic and tomographic characteristics of post–laser in situ keratomileusis (LASIK) ectasia (PLE) with keratoconus (KC) and normal control eyes using the Sirius imaging system. Methods This comparative cross‐sectional study included eyes with KC, PLE ectasia, and normal control eyes.
Abdelrahman Salman, Yasar Sakarya
wiley   +1 more source

First Clinical Impressions on the Integrated Corneal Tomography and Corneal Deformation with Scheimpflug Imaging

, 2017
The purpose of this study is to report the preliminary findings and the retrospective clinical impressions of the integrated corneal tomography and corneal deformation parameters with a dynamic ultra-high-speed Scheimpflug camera equipped with a ...
Jorge S Haddad, Eliza Barnwell, Karolinne M Rocha, George O Waring IV, Renato Ambrosio Jr   +4 more
core   +1 more source

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

Journal 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, Yan Zheng, Caiyun Fu, Li Zhang, Yabin Hu, Yiran Dong, Dongyue Ma, Changbin Zhai, Deepali   +8 more
wiley   +1 more source

Precision of Pachymetry Measured With a Portable High‐Resolution Ultrasound, a Standard Ultrasound, and Two Scheimpflug Pachymeters

Journal of Ophthalmology, Volume 2026, Issue 1, 2026.
Subject To assess the precision (repeatability and reproducibility) and agreement of central corneal thickness (CCT) measurements by a high‐resolution ultrasound (E‐pach), a standard ultrasound, and two Scheimpflug pachymeters in healthy eyes. Methods Instrument diagnostic test study. A total of 100 healthy volunteers were enrolled to measure right‐eye
Anqi Liu, Youhan Ao, Yanyan Zhang, Zequan Xu, Feng Liu, Lina Mei, Mei Ge, Yifei Huang, Liqiang Wang, Yong Tao   +9 more
wiley   +1 more source

Scheimpflug Camera and Swept-Source Optical Coherence Tomography in Pachymetry Evaluation of Diabetic Patients

Journal of Ophthalmology, 2019
Aim. The comparative analysis of the central and peripheral corneal thicknesses using two different imaging systems: Scheimpflug camera and swept-source OCT was performed to investigate the differences in corneal thickness analysis in diabetic patients ...
Katarzyna Krysik, Dariusz Dobrowolski, Karolina Stanienda-Sokół, Edward A. Wylegala, Anita Lyssek-Boron   +4 more
doaj   +1 more source