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Ocular biometric measurements in cataract surgery candidates in Portugal

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  • Tiago B Ferreira
  • Kenneth J Hoffer
  • Filomena Ribeiro
  • Paulo Ribeiro
  • João G O’Neill

Abstract

Objective: Describe the ocular biometric parameters and their associations in a population of cataract surgery candidates. Methods: A cross-sectional study of 13,012 eyes of 6,506 patients was performed. Biometric parameters of the eyes were measured by optical low-coherence reflectometry. The axial length (AL), mean keratometry (K) and astigmatism, anterior chamber depth (ACD) (epithelium to lens), lens thickness (LT), and Corneal Diameter (CD) were evaluated. Results: The mean age was 69 ± 10 years (44–99 years). Mean AL, Km, and ACD were 23.87 ± 1.55 mm (19.8–31.92 mm), 43.91 ± 1.71 D (40.61–51.14 D), and 3.25 ± 0.44 mm (2.04–5.28 mm), respectively. The mean LT was 4.32 ± 0.49 mm (2.73–5.77 mm) and the mean CD was 12.02 ± 0.46 mm (10.50–14.15 mm). The mean corneal astigmatism was 1.08 ± 0.84 D (0.00–7.58 D) and 43.5% of eyes had astigmatism ≥ 1.00 D. Male patients had longer AL and ACDs (p

Suggested Citation

  • Tiago B Ferreira & Kenneth J Hoffer & Filomena Ribeiro & Paulo Ribeiro & João G O’Neill, 2017. "Ocular biometric measurements in cataract surgery candidates in Portugal," PLOS ONE, Public Library of Science, vol. 12(10), pages 1-12, October.
    • Handle: RePEc:plo:pone00:0184837
    DOI: 10.1371/journal.pone.0184837
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