Objective:

To clarify misconceptions regarding the impact of scleral lenses on corneal stem cells and to emphasize the importance of evidence-based understanding in optometry.

Approach:

Key Findings:

• Corneal stem cells are located deep within the limbal area and are protected from scleral lens pressure.
• Mechanical contact with the limbus can cause damage to epithelial cells, leading to complications like neovascularization.
• Other factors, such as chemical burns and chronic inflammation, pose a greater risk to stem cells than scleral lens wear.

Interpretation:

The article emphasizes the need for practitioners to rely on evidence-based practices and to question oversimplified explanations regarding scleral lens fitting.

Limitations:

• The article does not provide extensive clinical data or studies directly linking scleral lens wear to stem cell health.
• It primarily focuses on theoretical discussions rather than empirical evidence.

Conclusion:

Practitioners should be cautious about outdated beliefs regarding scleral lenses and prioritize scientifically supported information in their practice.

Sources:

• Hertsenberg and Funderburgh, 2015
• Chee et al, 2006
• Park, 2023
• Ruan et al, 2021
• Formentin et al, 2025
• Ahmad, 2012
• Nixon et al, 2017
Attribution Notice

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.