Results 11 to 20 of about 4,423 (126)

The correlation between ocular residual astigmatism and wavefront-guided FS-LASIK correction effects in myopic astigmatism patients [PDF]

Scientific Reports
To evaluate the impact of ocular residual astigmatism (ORA) on the astigmatic correction outcomes of wavefront-guided femtosecond laser-assisted in situ keratomileusis (WFG FS-LASIK) in myopic astigmatism patients. Retrospective cohort study.
Qingyun Zuo, Yu Zhang, Ming He, Siyi Wang, ZhiYu Du   +4 more
doaj   +3 more sources

Effect of Postoperative Ocular Residual Astigmatism (ORA) on Treatment Outcome After Myopic Laser in situ Keratomileusis (LASIK) [PDF]

Clinical Ophthalmology, 2022
Johanna Nöthel,1,* Toam Katz,1,* Vasyl Druchkiv,2 Andreas Frings3 1Department of Ophthalmology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany; 2Department of Research & Development, Clínica Baviera, Valencia, Spain; 3Department of
Nöthel J, Katz T, Druchkiv V, Frings A
doaj   +4 more sources

Significant ocular residual astigmatism reduces the effect of orthokeratology lenses in controlling myopia [PDF]

Scientific Reports
To investigate the influence of ocular residual astigmatism (ORA) on the therapeutic outcomes of orthokeratology lenses in pediatric myopia management. In this retrospective cohort study, 60 myopic children aged 7–12 years were classified into high-ORA (≥
Jian Lin, Dexiang An, Yun Lu, Dongmei Yan   +3 more
doaj   +3 more sources

Influence of Ocular Residual Astigmatism on the Correction of Myopic Astigmatism by Toric Implantable Collamer Lens: A Comparative Study With Femtosecond Laser Small Incision Lenticule Extraction [PDF]

Frontiers in Medicine, 2022
PurposeTo evaluate the influence of the origin of astigmatism on the correction of myopic astigmatism by toric implantable collamer lens (TICL) and compare it with femtosecond laser small incision lenticule extraction (SMILE).MethodsOcular residual ...
Ling Sun, Ling Sun, Ling Sun, Xiaoyu Zhang, Xiaoyu Zhang, Xiaoyu Zhang, Lan Ding, Lan Ding, Lan Ding, Yang Shen, Yang Shen, Yang Shen, Yishan Qian, Yishan Qian, Yishan Qian, Xingtao Zhou, Xingtao Zhou, Xingtao Zhou   +17 more
doaj   +4 more sources

Corneal and Ocular Residual Astigmatism in School-Age Children. [PDF]

J Curr Ophthalmol, 2020
Purpose: To determine the distribution of residual and corneal astigmatism (CA) in children aged 6–18 years and their relationship with age, sex, spherical equivalent, and biometric parameters. Methods: In this cross-sectional study, multi-stage stratified cluster sampling was done ...
Heydarian S, Sardari S, Heidari Z, Yekta AA, Ostadimoghaddam H, Khabazkhoob M.   +5 more
europepmc   +3 more sources

LASIK for spherical refractive myopia: effect of topographic astigmatism (ocular residual astigmatism, ORA) on refractive outcome. [PDF]

PLoS ONE, 2015
In eyes with a preoperative plano refractive cylinder, it would appear that there is no rationale for astigmatic treatment. The aim of this retrospective, cross-sectional data analysis was to determine the amount of topographic astigmatism in refractive ...
Andreas Frings, Gisbert Richard, Johannes Steinberg, Christos Skevas, Vasyl Druchkiv, Toam Katz, Stephan J Linke   +6 more
doaj   +4 more sources

Quantifying posterior corneal astigmatism's contribution to ocular residual astigmatism: implications for personalized refractive surgery. [PDF]

Int Ophthalmol
To determine the main sources of ocular residual astigmatism (ORA) and to quantify the contribution of posterior corneal astigmatism (PCA) to ORA.This cross-sectional study was conducted on 177 right eyes of 177 patients. Anterior corneal astigmatism (ACA) and PCA were obtained from Pentacam.
Lin J, An D, Wu H, Lu Y, Wang B, Yan D.
europepmc   +3 more sources

Quantitative analysis of the effect of ocular rotation on postoperative residual astigmatism in small incision lenticule extraction for myopia correction [PDF]

Frontiers in Cell and Developmental Biology
ObjectiveThe aim of this study was to conduct a systematic investigation into the effects of ocular rotation on postoperative residual astigmatism in patients undergoing small incision lenticule extraction (SMILE).MethodsA prospective observational ...
Caiyu Liu, Caiyu Liu, Xiaoying Xu, Xiaoying Xu, Xiaoying Xu, Hao Gu, Hao Gu, Hao Gu, Chi Wang, Chi Wang, Lu Lu, Lu Lu, Kaizhen Ye, Kaizhen Ye, Yan Zheng, Yan Zheng, Haiyan Wang, Wei Chen, Meiyan Li, Xiaolin Zhou, Shangkun Ou, Shangkun Ou, Shangkun Ou, Shangkun Ou, Fangwen Yang, Fangwen Yang   +25 more
doaj   +2 more sources

Compensatory efficacy and bilateral symmetry of ocular residual astigmatism in myopic astigmatism adults

Photodiagnosis and Photodynamic Therapy
Objective: To investigate the characteristics of distribution patterns, compensatory efficacy, and bilateral symmetry of ocular residual astigmatism (ORA) across varying degrees of myopia.
Weixin Huang, Mengxia Yuan, Youming Zhou, Yi Zhang, Dongling Gu, Jinyu Li, Ruifeng Ji, Vishal Jhanji, Riping Zhang   +8 more
doaj   +2 more sources

Ocular residual and corneal astigmatism in a clinical population of high school students.

PLoS ONE, 2018
PurposeTotal refractive astigmatism is usually the first consideration that guides the selection of contact lens type (e.g., spherical or toric), while the ocular source of the astigmatism is a second, but more important consideration, for the final ...
Zhao Chen, Luoru Liu, Chenglin Pan, Xiaoning Li, Lun Pan, Weizhong Lan, Zhikuan Yang   +6 more
doaj   +3 more sources