Results 121 to 130 of about 12,156 (169)

Premium Intraocular Lens Implantation After Laser Vision Correction: An Updated Narrative Review of Biometry, IOL Selection, Visual Outcomes, and Clinical Management. [PDF]

J Clin Med
Almulhim A.
europepmc   +1 more source

Proteomic analysis of corneal astigmatism identifies reduced apolipoprotein A-IV as a candidate biomarker. [PDF]

Front Med (Lausanne)
Wei X, Li W, Zhang W.
europepmc   +1 more source

Effects of SMILE on intraocular pressure and corneal biomechanics: a systematic review and meta-analysis. [PDF]

Int Ophthalmol
Lampsas S, Chardalia GM, Karmiris E, Kymionis GD, Chatziralli I.   +4 more
europepmc   +1 more source

Outcomes of keraring implantation for high regular astigmatism in non-ectatic corneas: A prospective pilot case series. [PDF]

Sci Rep
Mounir A, Mossa EAM, Mahmoud A.
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Evaluation of posterior and total corneal astigmatism with colour-LED topography [PDF]

Eye, 2020
To characterise the posterior and total corneal astigmatism using colour point-source light-emitting diodes (LED) topography.In a prospective case series 400 eyes from 400 patients were evaluated by colour-LED topography. Only eyes with normal topographies were considered.
Mendes, João, Ribeiro, Filomena, Ferreira, Tiago B.   +2 more
openaire   +4 more sources

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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

A Longitudinal Study of Corneal Astigmatism and Total Astigmatism

Optometry and Vision Science, 1981
Abstract Cross‐sectional studies indicate that mean total astigmatism changes with age; varying from as much as 0.62 D with‐the‐rule during youth to as much as 0.37 D against‐the‐rule in samples of elderly patients. The present study involves the examination of adult patients who were seen regularly for a period of at least 40 years ...
W R, Baldwin, D, Mills
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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
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Corneal Topographic Astigmatism Based on Total Corneal Power Data (CorT Total): A Benchmark for Total Corneal Astigmatism

Cornea, 2019
Purpose: To evaluate how closely manufacturer-provided measures of total corneal astigmatism correspond with the manifest refractive cylinder, as compared to a benchmark of corneal topographic astigmatism calculated on the basis of measured total corneal power (TCP) data (CorT Total). Methods:
Noel, Alpins, James K Y, Ong, J Bradley, Randleman, Anita, Nevyas-Wallace, George, Stamatelatos   +4 more
openaire   +2 more sources