Results 71 to 80 of about 17,272 (178)

Astigmatism in candidates of Cataract surgery and its relationship with corneal optical power, axial length, sex and patient age [PDF]

Acta Medica Iranica, 2000
This study was conducted to define the prevalence and types of corneal astigmatism in relation with corneal optical power, axial length, sex and patient age. 641 cataract patients were included in a descriptive study.
Siatiri H
doaj  

Correlation Between Keratometric and Refractive Astigmatism in Pseudophakes

Clinical Ophthalmology, 2021
Shavini Athukorala,1 Neal Kansara,2 Erik Lehman,3 Seth M Pantanelli1 1Department of Ophthalmology, Penn State College of Medicine, Hershey, PA, USA; 2Department of Ophthalmology, Baylor College of Medicine, Houston, TX, USA; 3Department of Public Health ...
Athukorala S, Kansara N, Lehman E, Pantanelli SM   +3 more
doaj  

Corneal Astigmatism After Cataract Surgery: A Review of Mechanisms, Outcomes, and Surgical Considerations

Optics
Background: This narrative review aims to assess multiple strategies available to evaluate and manage corneal astigmatism in the context of cataract surgery, with a focus on the surgical techniques, intraocular lens (IOL) selection, and the integration ...
Andreea-Alexandra-Mihaela Muşat, Cãlin-Petru Tãtaru, Gabriela-Cornelia Muşat, Lucia Bubulac, Mihai-Alexandru Preda, Ovidiu Muşat   +5 more
doaj   +1 more source

Comparison of the accuracy of toric IOL power in cataract eyes with irregular astigmatism using two keratometry devices

BMC Ophthalmology
Background To compare the accuracy of toric intraocular lens (IOL) calculation using simulated keratometry (SimK) obtained from two different devices in cataract eyes with central or paracentral preoperative corneal irregular astigmatism.
Yinuo Huang, Min Hou, Yujie Ding, Liangping Liu, Ao Sun, Si Li, Mingxing Wu   +6 more
doaj   +1 more source

Total Corneal Astigmatism Measurement

Investigative Opthalmology & Visual Science, 2015
Virgilio, Galvis, Alejandro, Tello, Camilo A, Niño, Maria Margarita, Parra   +3 more
openaire   +2 more sources

[Corneal astigmatism after trabeculectomy].

Klinika oczna, 1998
The aim of the present study was to investigate the effect of conventional and mitomycin trabeculectomy on the corneal astigmatism.Measurements with the use of computer-assisted videokeratography (Eye-Sys) were performed in 34 glaucoma patients who underwent trabeculectomy.
T, Zarnowski, D, Haszcz, E, Rakowska, Z, Zagórski   +3 more
openaire   +1 more source

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  

Subtypes and corneal astigmatism in pediatric persistent fetal vasculature. [PDF]

Int J Ophthalmol
Zhang SH, Lyu N, Hong YY, Lu Y, Ji YH.
europepmc   +1 more source

A Comparative Study of the Effect of Femtosecond Laser-Assisted Cataract Surgery on Corneal Astigmatism in Post-LASIK Eyes and Virgin Eyes

Clinical Ophthalmology
Xinfang Cao,1,2 Jun Zhang,2 Wei Han1 1Eye Centre, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, People’s Republic of China; 2Department of Ophthalmology, Hangzhou MSK Eye Hospital, Hangzhou, Zhejiang ...
Cao X, Zhang J, Han W
doaj  

Effect of Ab interno XEN gel stent implantation on corneal astigmatism. [PDF]

PLoS One
Supasai P, Kanjana K, Boonchuenchom K, Yospaiboon Y.   +3 more
europepmc   +1 more source