Results 11 to 20 of about 387,211 (228)

Diagnosability of Keratoconus Using Deep Learning With Placido Disk-Based Corneal Topography [PDF]

Frontiers in Medicine, 2021
Purpose: Placido disk-based corneal topography is still most commonly used in daily practice. This study was aimed to evaluate the diagnosability of keratoconus using deep learning of a color-coded map with Placido disk-based corneal topography.Methods ...
Kazutaka Kamiya, Yuji Ayatsuka, Yudai Kato, Nobuyuki Shoji, Yosai Mori, Kazunori Miyata   +5 more
doaj   +3 more sources

Does Dry Eye Affect Repeatability of Corneal Topography Measurements? [PDF]

Türk Oftalmoloji Dergisi, 2018
Objectives: The purpose of this study was to assess the repeatability of corneal topography measurements in dry eye patients and healthy controls.
Aysun Şanal Doğan, Canan Gürdal, Mehmet Talay Köylü   +2 more
doaj   +3 more sources

Engineering topography: Effects on corneal cell behavior and integration into corneal tissue engineering

Bioactive Materials, 2019
Cell-material interactions are important to tissue engineering. Inspired by the natural topographic structures on the extracellular matrix, a growing number of studies have integrated engineering topography into investigations of cell behavior on ...
Sijia Xiong, HuiChang Gao, Lanfeng Qin, Yong-Guang Jia, Li Ren   +4 more
doaj   +2 more sources

Artificial Tear Instillation-Induced Changes in Corneal Topography [PDF]

Bioengineering
This study aims to compare changes of corneal topography (Galilei G4) before and after the instillation of artificial tears in patients with dry eye disease (DED).
Yunjin Lee, Tae Hun Kim, Hae Jung Paik, Dong Hyun Kim   +3 more
doaj   +2 more sources

Effect of fixational eye movements in corneal topography measurements with optical coherence tomography. [PDF]

Biomed Opt Express, 2023
de Castro A, Martínez-Enríquez E, Marcos S.   +2 more
europepmc   +2 more sources

Effects of Upper Eyelid Surgery on the Ocular Surface and Corneal Topography [PDF]

Turk J Ophthalmol, 2022
Objectives: To evaluate the effect of upper eyelid surgery on ocular surface and corneal topography. Materials and Methods: Patients who underwent upper eyelid blepharoplasty and/or blepharoptosis repair were evaluated prospectively.
Aksu Ceylan N, Yeniad B.
europepmc   +2 more sources

LKG-Net: lightweight keratoconus grading network based on corneal topography. [PDF]

Biomed Opt Express, 2023
Gao S, Chen Y, Shi F, Peng Y, Xu C, Chen Z, Zhu W, Xu X, Tang W, Tan Z, Xu Y, Ren Y, Zhang X, Chen X.   +13 more
europepmc   +2 more sources

Corneal Topography Analysis of Stromal Corneal Dystrophies

Pakistan Journal of Medical Sciences, 2014
The aim was to compare the corneal topography and tomography parameters of macular corneal dystrophy (MCD), granular corneal dystrophy (GCD) and lattice corneal dystrophy (LCD) patients obtained by Scheimpflug imaging system.The charts, photographs and topography images of patients were reviewed retrospectively.
Ayse Burcu, Zuleyha Yalniz-Akkaya, Yusuf Koçluk, Firdevs Örnek   +3 more
openaire   +4 more sources

Identification of genetic variants in five chinese families with keratoconus: Pathogenicity analysis and characteristics of parental corneal topography. [PDF]

Front Genet, 2022
Cheng WY, Yang SY, Huang XY, Zi FY, Li HP, Sheng XL.   +5 more
europepmc   +3 more sources

Primary Topography-Guided LASIK: Treating Manifest Refractive Astigmatism Versus Topography-Measured Anterior Corneal Astigmatism [PDF]

Journal of refractive surgery, 2019
PURPOSE To investigate whether topography-guided laser in situ keratomileusis (LASIK) with anterior corneal astigmatism measured on the WaveLight Contoura (Alcon Laboratories, Inc., Fort Worth, TX) leads to better refractive outcomes compared to treating
Avi Wallerstein, Mathieu Gauvin, Susan Ruyu Qi, Mounir Bashour, Mark E. Cohen   +4 more
openalex   +2 more sources