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Updated: Jun 19, 2026

Isolation and Identification of Limbal Niche Cells
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Isolation and Identification of Limbal Niche Cells

Published on: October 27, 2023

Limbal stem cell study in contact lens wearers.

R P Bhatia1, Rashmi Srivastava, Amrita Ghosh

  • 1Department of Ophthalmology, Institute of Medical Sciences, Banaras Hindu University, India.

Annals of Ophthalmology (Skokie, Ill.)
|October 23, 2009
PubMed
Summary

Soft contact lens wear impacts limbal stem cells, especially in individuals with existing limbal stem cell deficiency. This study evaluated these effects across different groups.

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Area of Science:

  • Ophthalmology
  • Corneal Science
  • Stem Cell Biology

Background:

  • The limbal stem cells (LSCs) are crucial for maintaining corneal epithelium homeostasis.
  • Soft contact lens (SCL) wear is a common practice, but its impact on LSCs requires further investigation.
  • Limbal stem cell deficiency (LSCD) can lead to severe visual impairment.

Purpose of the Study:

  • To assess the effect of soft contact lens wear on limbal stem cells.
  • To compare the impact of SCL wear in healthy individuals versus those with known LSCD.
  • To evaluate changes across all four quadrants of the cornea.

Main Methods:

  • A comparative study involving 30 soft contact lens wearers, 19 healthy controls, and 17 patients with known limbal stem cell deficiency.
  • Assessment of limbal stem cell status in all four corneal quadrants.
  • Quantitative or qualitative evaluation of LSC markers or function (details not provided in abstract).

Main Results:

  • Soft contact lens wear demonstrated observable differences in limbal stem cells compared to controls across all quadrants.
  • These effects were significantly more pronounced in individuals with pre-existing limbal stem cell deficiency.
  • The severity of the impact varied across the four quadrants, suggesting regional susceptibility.

Conclusions:

  • Soft contact lens wear can negatively affect limbal stem cells.
  • Individuals with limbal stem cell deficiency are at higher risk of adverse effects from SCL wear.
  • Further research is warranted to understand the mechanisms and long-term consequences.

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