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Related Experiment Video

Updated: May 29, 2026

Sequential Application of Glass Coverslips to Assess the Compressive Stiffness of the Mouse Lens: Strain and Morphometric Analyses
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Presbyopia and its anatomical and physiological variants.

M Gupta1, R R Sukul, Y Gupta

  • 1Department of Physiology, Aligarh Muslim University, Aligarh, India. meenakshi3190@hotmail.com

Nepalese Journal of Ophthalmology : a Biannual Peer-Reviewed Academic Journal of the Nepal Ophthalmic Society : NEPJOPH
|August 31, 2011
PubMed
Summary

As people age, their central corneal thickness decreases, while lens thickness increases, leading to a shallower anterior chamber. These ocular changes are significant in presbyopia.

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Area of Science:

  • Ophthalmology
  • Ocular Anatomy
  • Physiology

Background:

  • Presbyopia is an age-related condition affecting near vision.
  • Understanding ocular anatomical and physiological changes is crucial for managing presbyopia.

Purpose of the Study:

  • To investigate age-related changes in ocular parameters in presbyopic individuals.
  • To correlate anatomical and physiological shifts with the progression of presbyopia.

Main Methods:

  • Evaluated 100 presbyopic patients aged 35-55.
  • Measured corneal curvature, central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT), and axial length (AL).
  • Utilized A-scan and ultrasonic pachymetry for measurements.

Main Results:

  • Central corneal thickness (CCT) significantly decreased with age.
  • Lens thickness (LT) increased, and anterior chamber depth (ACD) decreased significantly with age.
  • Corneal curvature and axial length showed no significant age-related changes.

Conclusions:

  • Advancing age is associated with a significant decrease in CCT.
  • Increased lens thickness contributes to a reduced anterior chamber depth in aging eyes.
  • Corneal curvature and axial length are not significantly affected by age in this presbyopic cohort.