Results 11 to 20 of about 21,095 (219)

Age Differences in Axial Length, Corneal Curvature, and Corneal Astigmatism in Marfan Syndrome with Ectopia Lentis

Journal of Ophthalmology, 2018
Purpose. To investigate the differences in axial length, corneal curvature, and corneal astigmatism with age in patients with Marfan syndrome (MFS) and ectopia lentis. Methods. A retrospective case series study was conducted.
Jiahui Chen, Qinghe Jing, Yating Tang, Dongjin Qian, Yi Lu, Yongxiang Jiang   +5 more
doaj   +2 more sources

Effects of chalazia on corneal astigmatism [PDF]

BMC Ophthalmology, 2017
Background A chalazion is a common eyelid disease that causes eye morbidity due to inflammation and cosmetic disfigurement. Corneal topographic changes are important factors in corneal refractive surgery, intraocular lens power calculations for cataract ...
Ki Won Jin, Young Joo Shin, Joon Young Hyon   +2 more
doaj   +2 more sources

Anterior and Posterior Corneal Astigmatism after Refractive Lenticule Extraction for Myopic Astigmatism [PDF]

Journal of Ophthalmology, 2015
Purpose. To assess the amount and the axis orientation of anterior and posterior corneal astigmatism after refractive lenticule extraction (ReLEx) for myopic astigmatism. Methods. We retrospectively examined 53 eyes of 53 consecutive patients (mean age ±
Kazutaka Kamiya, Kimiya Shimizu, Mayumi Yamagishi, Akihito Igarashi, Hidenaga Kobashi   +4 more
doaj   +2 more sources

Diamond burr superficial keratectomy with mitomycin C for corneal scarring and high corneal astigmatism after pterygium excision

Clinical Ophthalmology, 2013
Engin Bilge Ozgurhan,1 Necip Kara,1 Aydin Yildirim,2 Zeynep Alkin,1 Ercument Bozkurt,1 Ahmet Demirok1,31Beyoglu Eye Research and Training Hospital, 2Department of Ophthalmology, Sema Research and Treatment Hospital, Fatih University, 3Department of ...
Ozgurhan EB, Kara N, Yildirim A, Alkin Z, Bozkurt E, Demirok A   +5 more
doaj   +1 more source

Correlation between ocular residual astigmatism and anterior corneal astigmatism in children with low and moderate myopia

BMC Ophthalmology, 2022
Background To assess the correlation between ocular residual astigmatism and anterior corneal astigmatism in children with low and moderate myopia. Methods Refractive astigmatism was determined by subjective manifest refraction.
Jian Lin, Dexiang An, Yun Lu, Dongmei Yan   +3 more
doaj   +1 more source

Patterns of Corneal Astigmatism in Eyes Post Myopic Laser Keratorefractive Surgery. [PDF]

Clin Ophthalmol
Aaron W Ng,1,2 Stephen Stewart,1– 4 Tun Kuan Yeo1,2,5 1Department of Ophthalmology, Tan Tock Seng Hospital, Singapore; 2NHG Eye Institute, Singapore; 3Cathedral Eye Clinic, Belfast, UK; 4Centre of Public Health, Queen’s University, Belfast, UK; 5Eye ...
Ng AW, Stewart S, Yeo TK.
europepmc   +2 more sources

Age- and gender-related characteristics of astigmatism in a myopic population

Frontiers in Medicine, 2022
PurposeTo explore age- and gender-related differences of refractive and corneal astigmatism in myopic patients looking for refractive surgery.DesignA retrospective cross-sectional study.Materials and methodsThe medical files of candidates looking for ...
Shan Yang, Yang Jiang, Ge Cui, Ying Li
doaj   +1 more source

Effect of femtosecond laser-assisted steepest-meridian clear corneal incisions on preexisting corneal regular astigmatism at the time of cataract surgery [PDF]

International Journal of Ophthalmology, 2020
AIM: To investigate the clinical efficacy and safety of femtosecond laser-assisted steepest-meridian clear corneal incisions for correcting preexisting corneal astigmatism performed at the time of cataract surgery.
Wei Chen, Min Ji, Jian Wu, Yong Wang, Jing Zhou, Rong-Rong Zhu, Hong Lu, Huai-Jin Guan   +7 more
doaj   +1 more source

CHANGES IN CORNEAL ASTIGMATISM BEFORE AND AFTER PTERYGIUM EXCISION WITH BARE SCLERA TECHNIQUE AND CONJUNCTIVAL AUTO GRAFT. [PDF]

Egyptian Journal of Clinical Ophthalmology, 2022
Objectives: the goal of this study was to assess the changes in corneal astigmatism afterpterygium removal with the bare sclera technique and conjunctival auto graft technique.
Hamed, M., Eta, W.
doaj   +1 more source

Factors associated with corneal astigmatism change after ptosis surgery [PDF]

International Journal of Ophthalmology, 2022
AIM: To evaluate the predictive factors of postoperative corneal astigmatism change in ptosis patients who underwent ptosis surgical repair. METHODS: Patients who underwent levator resection at Oculoplastic service of the Department of Ophthalmology ...
Natpatsorn Mongkolareepong, Nattapong Mekhasingharak, Oranicha Pimpha   +2 more
doaj   +1 more source