Results 121 to 130 of about 17,272 (178)

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

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 effect of pterygium on front and back corneal astigmatism and aberrations in natural-light and low-light conditions. [PDF]

BMC Ophthalmol
Xu W, Li X.
europepmc   +1 more source

Predictive accuracy of Barrett TK toric calculator compared to measured posterior corneal astigmatism using Pentacam in toric IOL power calculation. [PDF]

Indian J Ophthalmol
Tamilarasi S, Joseph AJ, Dandapani R.
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

Corneal astigmatism after cataract surgery

Documenta Ophthalmologica, 1989
206 Consecutive cataract patients were at random divided into three groups according to the way the cataract incision was closed: virgin silk 8-0, interrupted nylon 9-0, and double running nylon 9-0. The nylon, whether interrupted or continuous, yielded in the majority of cases a postoperative astigmatism with the rule, whereas virgin silk caused in ...
N W, Dekkers, J, Buijs
openaire   +2 more sources