Results 71 to 80 of about 17,902 (180)

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  

Changes in corneal curvature and astigmatism in senile cataract patients after phacoemulsification

Frontiers in Medicine
PurposeAnalysis of changes in corneal curvature and astigmatism after phacoemulsification for senile cataracts.MethodsRetrospective collection of clinical data from patients who underwent uncomplicated phacoemulsification at the First Affiliated Hospital
Yan-Hui Xiao, Yue-Qi Liu, Zhi-Gang Chen
doaj   +1 more source

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

Tomographic analysis in eyes with severe astigmatism following pterygium excision

Indian Journal of Ophthalmology. Case Reports
This case series highlights the impact of pterygium and its excision on both regular and irregular corneal astigmatism, emphasising the importance of preoperative corneal tomography.
Mona Bhargava, Debasmita Bera, Kalpita Datta   +2 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

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  

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

Genetic associations of corneal astigmatism in Hong Kong Chinese children. [PDF]

Sci Rep
Shing E, Kam KW, Wang YY, Zhang Y, Zhang XJ, Tam POS, Young AL, Tham CC, Pang CP, Yam JC, Chen LJ.   +10 more
europepmc   +1 more source

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