Current Developments in Corneal Topography and Tomography [PDF]
Diagnostics, 2021 Introduction: Accurate assessment of the corneal shape is important in cataract and refractive surgery, both in screening of candidates as well as for analyzing postoperative outcomes.
Piotr Kanclerz +2 more
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Corneal topography and tomography
Journal of Clinical Ophthalmology and Research, 2015 Devices that evaluate corneal properties are an indispensible tool in a eye clinic nowadays. With the arrival of new technology in addition to placido based devices, the options available now are many. Cornea based refractive surgery in Indian eyes poses
Sachin Dharwadkar, B K Nayak
doaj +4 more sources
Evaluation of the corneal topography based on deep learning [PDF]
Frontiers in Medicine, 2023 PurposeThe current study designed a unique type of corneal topography evaluation method based on deep learning and traditional image processing algorithms.
Shuai Xu +17 more
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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
Diagnosability of Keratoconus Using Deep Learning With Placido Disk-Based Corneal Topography. [PDF]
Front Med (Lausanne), 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:
Kamiya K +5 more
europepmc +2 more sources
Deciphering the performance of different surface models for corneal topography. [PDF]
Ophthalmic Physiol OptAbstract Purpose To study the performance of different corneal surface models to be used for ray tracing. Models based on geometric surfaces and polynomial fits were compared and the differences discussed. Methods For this simulation study, five characteristic generic surface configurations were generated: (A) perfect biconic, (B) decentred biconic ...
Langenbucher A +4 more
europepmc +3 more sources
The repeatability of corneal topography measurements in severe Dry Eye disease [PDF]
BMC Ophthalmology, 2022 Background To determine the repeatability of corneal topography measurements in severe dry eye disease (DED). A comparison of corneal topography parameters between severe DED and healthy subjects was a secondary goal of this study.
Soner Guven
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Keratoconus Screening Based on Deep Learning Approach of Corneal Topography. [PDF]
Transl Vis Sci Technol, 2020 Purpose To develop and compare deep learning (DL) algorithms to detect keratoconus on the basis of corneal topography and validate with visualization methods.
Kuo BI +9 more
europepmc +2 more sources
Effect of congenital ptosis correction on corneal topography- A prospective study.
Indian J Ophthalmol, 2021 Purpose: The aim of this study was to evaluate the changes in corneal topography, cycloplegic refraction, and best-corrected visual acuity (BCVA) after ptosis correction surgery in patients with congenital ptosis.
Assadi FA +4 more
europepmc +2 more sources
Unsupervised learning for large-scale corneal topography clustering. [PDF]
Sci Rep, 2020 Machine learning algorithms have recently shown their precision and potential in many different use cases and fields of medicine. Most of the algorithms used are supervised and need a large quantity of labeled data to achieve high accuracy.
Zéboulon P +2 more
europepmc +2 more sources