Results 111 to 120 of about 1,752,631 (186)

Prevalence of Corneal Astigmatism in Patients before Cataract Surgery in Northern China

Journal of Ophthalmology, 2014
Purpose. To analyze the prevalence and presentation patterns of corneal astigmatism in cataract surgery candidates in a teaching hospital in northern China. Methods.
Xiaoyong Yuan, Hui Song, Gang Peng, Xia Hua, Xin Tang   +4 more
doaj   +1 more source

Comparative analysis of two optical biometry devices: high wavelength swept source OCT versus partial coherence interferometry. [PDF]

Int Ophthalmol, 2022
Szalai E, Csutak A.
europepmc   +1 more source

Investigation of Wavelength Scanning Interferometry for Embedded Metrology [PDF]

The tremendous growth in the manufacture of a wide range of deterministic and complex free form surfaces, has made surface metrology an essential part of the manufacturing process.
Muhamedsalih, Hussam
core   +3 more sources

Comparative Analysis of Axial Length Measurements by Optical Biometers Based on Partial Coherence Interferometry Versus Optical Low-Coherence Interferometry: An Office Audit. [PDF]

Cureus, 2022
Bhullar H, Dhurjon L, Francis C, Bhambhwani V.   +3 more
europepmc   +1 more source

Coherence Tomography for Boreal Forest: Camparison with HUTSCAT Scatterometer Measurements [PDF]

, 2008
In this paper we report on X- and L-band polarization coherence tomography in boreal forest structure mapping. We take advantage of HUTSCAT ranging scatterometer measurements and compare E-SAR derived vertical structure profiles with measured vertical ...
Praks, Jaan, Papathanassiou, Konstantinos P., Kugler, Florian, Hallikainen, Martti   +3 more
core  

Comparison of a New Optical Biometer That Combines Scheimpflug Imaging With Partial Coherence Interferometry With That of an Optical Biometer Based on Swept-Source Optical Coherence Tomography and Placido-Disk Topography. [PDF]

Front Med (Lausanne), 2021
Chen S, Zhang Q, Savini G, Zhang S, Huang X, Yu J, Wang Y, Ning R, Huang J, Tu R.   +9 more
europepmc   +1 more source

Biometry challenges in the longest eyes we have encountered to date

American Journal of Ophthalmology Case Reports
Purpose: This report aims to present biometry challenges and solutions for a patient with the longest eyes we have encountered to date. Observations: A 41-year-old woman with a history of Crouzon syndrome, extreme axial myopia, and posterior segment ...
Raul Plasencia-Salini, Amanda P. Havens, Kevin M. Miller   +2 more
doaj   +1 more source

Intraocular lens power calculation for plus and minus lenses in high myopia using partial coherence interferometry. [PDF]

Int Ophthalmol, 2021
Fuest M, Plange N, Kuerten D, Schellhase H, Mazinani BAE, Walter P, Kohnen S, Widder RA, Roessler G.   +8 more
europepmc   +1 more source

Evaluation and comparison of a novel Scheimpflug-based optical biometer with standard partial coherence interferometry for biometry and intraocular lens power calculation. [PDF]

Exp Ther Med, 2021
Wang Z, Yang W, Li D, Chen W, Zhao Q, Li Y, Cui R, Shen L, Xian J.   +8 more
europepmc   +1 more source

Endoscopic low coherence interferometry in upper airways

, 2009
We introduce Endoscopic Low Coherence Interferometry to obtain topology of upper airways through commonly used rigid endoscopes. Quantitative dimensioning of upper airways pathologies is crucial to provide maximum health recovery chances, for example in ...
Boss, Daniel, Depeursinge, Christian, Florian Lang, Daniel Boss, Yves Delacrétaz, Christian Depeursinge, Lang, Florian, Delacrétaz, Yves   +7 more
core   +1 more source