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Related Experiment Videos

Ocular parameters in elderly in Norway

A Midelfart1, B Aamo

  • 1Department of Ophthalmology, Faculty of Medicine, University of Trondheim, Norway.

Acta Ophthalmologica
|February 1, 1994
PubMed
Summary

Cataract surgery patients show sex differences in ocular parameters. Women, who undergo surgery more often, have higher intraocular pressure and shorter axial length than men.

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Area of Science:

  • Ophthalmology
  • Geriatric Medicine
  • Biomedical Engineering

Background:

  • Cataract surgery is a common procedure in the elderly population.
  • Understanding sex-based differences in ocular parameters is crucial for personalized surgical planning.
  • Age-related changes in ocular metrics can impact surgical outcomes.

Purpose of the Study:

  • To investigate potential sex differences in ocular parameters among patients undergoing cataract surgery.
  • To analyze how these ocular parameters change with age in both sexes.
  • To inform clinical practice regarding sex-specific considerations in cataract surgery.

Main Methods:

  • Retrospective review of medical records from 434 patients (mean age 76.2 years) who underwent cataract surgery.
  • Comparison of ocular parameters including intraocular pressure, axial length, and corneal curvature between sexes.
  • Correlation analysis to assess relationships between parameters and age-related trends.

Main Results:

  • Women constituted a 2:1 ratio of cataract surgeries compared to men, with no significant age difference.
  • Women exhibited higher intraocular pressure (15.4 mmHg vs. 14.7 mmHg), shorter axial length (22.98 mm vs. 23.33 mm), and steeper corneas (43.64D vs. 42.88D) than men.
  • A negative correlation between corneal refraction and axial length was observed in both sexes. Women over 80 showed a trend towards shorter eyes, and received stronger intraocular lenses.

Conclusions:

  • Significant sex differences exist in ocular parameters relevant to cataract surgery.
  • These differences, particularly in intraocular pressure and axial length, warrant attention in elderly female patients.
  • Age-related ocular changes and the need for sex-specific intraocular lens power calculations should be considered in clinical management.

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