Results 121 to 130 of about 17,902 (180)

Non-diffractive, toric, extended depth-of-focus intraocular lenses in eyes with low corneal astigmatism. [PDF]

Eye Vis (Lond)
Pastor-Pascual F, Orts-Vila P, Tañá-Sanz P, Tañá-Sanz S, Ruiz-Mesa R, Tañá-Rivero P.   +5 more
europepmc   +1 more source

Assessing the Relationship between Graft-Host Junction Profile and Corneal Astigmatism and Higher-Order Aberrations in Postpenetrating Keratoplasty Eyes. [PDF]

J Curr Ophthalmol
Mohebi M, Masoumi A, Abdi P, Fakhredin H, Raeisi S, Ghanbari H.   +5 more
europepmc   +1 more source

Correction to: Accuracy of Toric Intraocular Lens Calculators with Predicted and Measured Posterior Corneal Astigmatism Across Different Types of Astigmatism. [PDF]

Ophthalmol Ther
Yang S, Park J, Whang WJ, Byun YS, Kim HS, Chung SH.   +5 more
europepmc   +1 more source

Calculation of the total corneal astigmatism using the virtual cross cylinder method on the secondary principal plane of the cornea. [PDF]

Sci Rep
Danjo Y.
europepmc   +1 more source

Accuracy of Toric Intraocular Lens Calculators with Predicted and Measured Posterior Corneal Astigmatism Across Different Types of Astigmatism. [PDF]

Ophthalmol Ther
Yang S, Park J, Whang WJ, Byun YS, Kim HS, Chung SH.   +5 more
europepmc   +1 more source

The Influence of Corneal Thickness on Surgically Induced Corneal Astigmatism Derived from Total Keratometry Measured by Anterior Segment Swept-Source OCT. [PDF]

Ophthalmol Ther
Zhao F, Yin Y, Pazo EE, Tian F, Jiang Y, Bu S.   +5 more
europepmc   +1 more source

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Contribution of posterior corneal astigmatism to total corneal astigmatism

Journal of Cataract and Refractive Surgery, 2012
To determine the contribution of posterior corneal astigmatism to total corneal astigmatism and the error in estimating total corneal astigmatism from anterior corneal measurements only using a dual-Scheimpflug analyzer.Cullen Eye Institute, Baylor College of Medicine, Houston, Texas, USA.Case series.Total corneal astigmatism was calculated using ray ...
Douglas D, Koch, Shazia F, Ali, Mitchell P, Weikert, Mariko, Shirayama, Richard, Jenkins, Li, Wang   +5 more
openaire   +2 more sources

Corneal Topographic Astigmatism (CorT) to Quantify Total Corneal Astigmatism

Journal of Refractive Surgery, 2015
PURPOSE: To evaluate the performance of corneal topographic astigmatism (CorT) based on total corneal power measurements. METHODS: Anterior, posterior, and total corneal power measurements of 526 virgin eyes obtained using the CSO Sirius tomographer (Costuzione Strumenti Oftalmici ...
Noel, Alpins, James K Y, Ong, George, Stamatelatos   +2 more
openaire   +2 more sources

Influence of posterior corneal astigmatism on total corneal astigmatism in eyes with moderate to high astigmatism

Journal of Cataract and Refractive Surgery, 2014
To evaluate the influence of posterior corneal astigmatism on total corneal astigmatism in patients with 1.00 diopter (D) or more of corneal astigmatism.Private practice, Bologna, Italy.Prospective case series.Corneal astigmatism was measured using a Scheimpflug camera combined with a corneal topographer (Sirius).
Giacomo, Savini, Francesco, Versaci, Gabriele, Vestri, Pietro, Ducoli, Kristian, Næser   +4 more
openaire   +2 more sources