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Michelitsch, M; Ardjomand, N; Vidic, B; Wedrich, A; Steinwender, G.
[Prevalence and age-related changes of corneal astigmatism in patients before cataract surgery].
Ophthalmologe. 2017; 114(3):247-251
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Authors Med Uni Graz:
Ardjomand Navid
Michelitsch Monja
Steinwender Gernot
Vidic Bertram
Wedrich Andreas
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Abstract:
The aim of this study was to determine the extent and the distribution of corneal astigmatism in patients awaiting cataract surgery in a mid-European tertiary clinic centre and hence to establish the demand for methods reducing corneal astigmatism. Keratometry measurements of cataract surgery candidates assigned to a university clinic between January 2013 and October 2014 were recorded and analysed retrospectively. A total of 6900 eyes of 3450 patients with a mean age of 72.5 ± 12.2 were analyzed. The corneal astigmatism was more than 0.5 dioptres (D) in 5193 eyes (75.3 %), >1.0 D in 2641 eyes (38.3 %), >1.5 D in 1304 eyes (18.9 %), >2.0 D in 644 eyes (9.3 %), >2.5 D in 363 eyes (5.3 %), >3.0 D in 236 eyes (3.4 %) and >3.5 D in 149 eyes (2.2 %). With increasing age a shift from with-the-rule astigmatism towards against-the-rule astigmatism was observed. Of the patients admitted for routine cataract surgery at our clinic, 2641 eyes (38.3 %) had an astigmatism greater than 1.0 D. Our data could be helpful in establishing a protocol for using toric intraocular lenses and to determine the costs.
Find related publications in this database (using NLM MeSH Indexing)
Adolescent -
Adult -
Age Distribution -
Aged -
Aged, 80 and over -
Astigmatism - diagnosis
Astigmatism - epidemiology
Astigmatism - prevention & control
Austria - epidemiology
Cataract - diagnosis
Cataract - epidemiology
Cataract - therapy
Cataract Extraction - statistics & numerical data
Causality -
Comorbidity -
Female -
Humans -
Male -
Middle Aged -
Preoperative Period -
Prevalence -
Retrospective Studies -
Risk Factors -
Young Adult -

Find related publications in this database (Keywords)
Corneal astigmatism
Cataract surgery
Astigmatism correction
Keratometry
Toric IOL
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