Results 31 to 40 of about 43,154 (239)

Keratoconus Classification with Convolutional Neural Networks Using Segmentation and Index Quantification of Eye Topography Images by Particle Swarm Optimisation

BioMed Research International, 2022
In keratoconus, the cornea assumes a conical shape due to its thinning and protrusion. Early detection of keratoconus is vital in preventing vision loss or costly repairs.
Subramanian P, R. G. P.
semanticscholar   +1 more source

Prevalence of keratoconus in persons with Down syndrome: a review

BMJ Open Ophthalmology, 2021
Purpose Keratoconus is a vision-threatening condition, and there is a need for knowledge about the occurrence in subgroups of the population. The progression of the disease can be effectively stopped, and vision may be restored, if keratoconus is ...
Liv Drolsum, Olav Kristianslund
doaj   +1 more source

Analysis of the pathogenic factors and management of dry eye in ocular surface disorders [PDF]

, 2017
The tear film represents the interface between the eye and the environment. The alteration of the delicate balance that regulates the secretion and distribution of the tear film determines the dry eye (DE) syndrome. Despite having a multifactorial origin,
Albietz, Alio, Ambrosio, Djalilian, Dogru, Li, Nebbioso, Nebbioso, Patel, Rajan, Solomon, Suzuki, Toda, Wilson, Zhu   +14 more
core   +1 more source

Biocompatibility and Biomechanical Effect of Single Wall Carbon Nanotubes Implanted in the Corneal Stroma: A Proof of Concept Investigation

Journal of Ophthalmology, 2016
Corneal ectatic disorders are characterized by a progressive weakening of the tissue due to biomechanical alterations of the corneal collagen fibers.
Alfredo Vega-Estrada, Joaquin Silvestre-Albero, Alejandra E. Rodriguez, Francisco Rodriguez-Reinoso, Jose A. Gomez-Tejedor, Carmen M. Antolinos-Turpin, Laurent Bataille, Jorge L. Alio   +7 more
doaj   +1 more source

Evaluation of Scheimpflug Tomography Parameters in Subclinical Keratoconus, Clinical Keratoconus and Normal Caucasian Eyes

Türk Oftalmoloji Dergisi, 2018
Objectives: To evaluate tomographic and topographic parameters in subclinical and clinical keratoconus eyes by comparing them with normal eyes in a young Caucasian population. Materials and Methods: This cross-sectional study included 88 normal eyes
Samira Huseynli, Farah Abdulaliyeva
doaj   +1 more source

Keratoconus detection of changes using deep learning of colour-coded maps

BMJ Open Ophthalmology, 2021
Objective To evaluate the accuracy of convolutional neural networks technique (CNN) in detecting keratoconus using colour-coded corneal maps obtained by a Scheimpflug camera. Design Multicentre retrospective study.
Xu Chen, Jiaxin Zhao, K. Iselin, D. Borroni, Davide Romano, Akilesh Gokul, C. McGhee, Yitian Zhao, M. Sedaghat, H. Momeni-Moghaddam, M. Ziaei, S. Kaye, V. Romano, Yalin Zheng   +13 more
semanticscholar   +1 more source

Pediatric keratoconus - Current perspectives and clinical challenges

Indian Journal of Ophthalmology, 2021
Keratoconus is an ectatic corneal disease characterized by progressive stromal thinning, irregular astigmatism, and defective vision. It can be unilateral or bilateral with asymmetric presentation. It starts at puberty and either progresses rapidly to an
V. Anitha, M. Vanathi, Anita Raghavan, Revathi Rajaraman, M. Ravindran, R. Tandon   +5 more
semanticscholar   +1 more source

Assessment of the Association between In Vivo Corneal Morphogeometrical Changes and Keratoconus Eyes with Severe Visual Limitation

Journal of Ophthalmology, 2019
Assessing changes suffered by the cornea as keratoconus progresses has proven to be vital for this disease diagnosis and treatment. This study determines the corneal biometric profile in eyes considered as affected by keratoconus (KC) showing severe ...
J. S. Velázquez, F. Cavas, J. Alió del Barrio, D. G. Fernández-Pacheco, J. Alió   +4 more
doaj   +1 more source

Assessment of Visual Quality in Eyes with Forme Fruste Keratoconus and Mild and Moderate Keratoconus Based on Optical Quality Analysis System II Parameters

Journal of Ophthalmology, 2020
Purpose. The study aimed to evaluate the visual quality of forme fruste keratoconus (FFK) and mild and moderate keratoconus by using an optical quality analysis system II (OQAS-II) and to explore the correlation between optical quality parameters and the
Zhonghao Ren, Liyan Xu, Qi Fan, Kaili Yang, Shengwei Ren, Dongqing Zhao   +5 more
doaj   +1 more source

A predictive model for early diagnosis of keratoconus

BMC Ophthalmology, 2020
Background The diagnosis of keratoconus in the early stages of the disease is necessary to initiate an early treatment of keratoconus. Furthermore, to avoid possible refractive surgery that could produce ectasias.
Gracia Castro-Luna, Antonio Pérez-Rueda
doaj   +1 more source