Results 81 to 90 of about 21,095 (219)

The Impact of Posterior Corneal Astigmatism on Surgically Induced Astigmatism in Cataract Surgery

open access: yesInternational Journal of General Medicine, 2022
Wenjie Liu,* Lichun Yang,* Jiewei Liu Cataract Department, Shanxi Eye Hospital, Taiyuan, Shanxi Province, People’s Republic of China*These authors contributed equally to this workCorrespondence: Jiewei Liu, Email jieweiliu1967@163.comPurpose:
Liu W, Yang L, Liu J
doaj  

Changes in Anterior, Posterior, and Total Corneal Astigmatism after Descemet Membrane Endothelial Keratoplasty

open access: yesJournal of Ophthalmology, 2017
Purpose. To evaluate changes in anterior, posterior, and total corneal astigmatism in patients after Descemet membrane endothelial keratoplasty (DMEK). Methods. We retrospectively included 29 eyes of 23 patients (age 67.6 ± 9.8 years, 13 female, 10 male)
Maged Alnawaiseh   +3 more
doaj   +1 more source

Investigation of a real-time location system of corneal astigmatic axis

open access: yesEye and Vision, 2017
Background To construct a real-time computerized location system (RCLS) to analyze and display the axis of corneal astigmatism and to compare its accuracy with the Scheimpflug method.
Jian-Guo Zhao   +3 more
doaj   +1 more source

Anterior corneal measurement estimations of total corneal astigmatism by steepness of corneal meridian.

open access: yes, 2016
Anterior corneal measurement estimations of total corneal astigmatism by steepness of corneal meridian.
Yongxiang Jiang (330534)   +4 more
core   +1 more source

Correlation between corneal biomechanical and tomographic parameters in cataract patients [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To investigate the relationship between preoperative corneal biomechanical properties and corneal tomographic properties in cataract patients.
Jia-Xi Li   +4 more
doaj   +1 more source

Toric intraocular lenses for correction of astigmatism in keratoconus and after corneal surgery

open access: yes, 2016
Ilse EMA Mol,1,2 Bart TH Van Dooren1,2 1Department of Ophthalmology, Amphia Hospital, Breda, 2Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands Purpose: To describe the results of cataract extraction with toric intraocular
Mol IEMA, Van Dooren BTH
core  

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

open access: yesFrontiers 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

Gender-differences in age-related changes of corneal astigmatism in Korean cataract patients

open access: yesBMC Ophthalmology, 2019
Background This cross-sectional study investigated age-related changes in anterior, posterior, and total corneal astigmatism and evaluated sex differences in corneal astigmatism with increasing age in cataract patients.
Hyojin Kim, Youngju An, Choun-Ki Joo
doaj   +1 more source

Changes in corneal astigmatism among patients with visually significant cataract

open access: yes, 2014
Objective: To determine the prevalence of corneal astigmatism, changes in astigmatism, and biometry measurements with age and to correlate fellow eye measurements of patients undergoing cataract surgery.<p></p> Design: Prospective ...
Ng, Jia   +3 more
core   +1 more source

Evaluation of posterior and total corneal astigmatism with colour-LED topography

open access: yes, 2020
PURPOSE: To characterise the posterior and total corneal astigmatism using colour point-source light-emitting diodes (LED) topography. METHODS: In a prospective case series 400 eyes from 400 patients were evaluated by colour-LED topography.
Mendes, João   +3 more
core   +1 more source

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