Clinical Report: Scleral Lenses, Keratoconus, & Corneal Change

Overview

This study evaluates the impact of scleral lens (SL) wear on corneal morphology and visual performance in keratoconus patients. Findings indicate that while SL wear induces specific corneal changes, visual acuity remains stable, supporting the use of SLs as a viable long-term vision correction option.

Background

Understanding the effects of scleral lenses on corneal structure is crucial for managing keratoconus, a condition characterized by corneal irregularity. Scleral lenses are increasingly used for visual rehabilitation in these patients, but their influence on corneal thickness and curvature can affect clinical outcomes. Monitoring these changes is essential for optimizing patient care and ensuring visual stability.

Data Highlights

Key Findings

• SL wear induced a 3.98% increase in corneal thickness in the KC-ICRS group.
• In the KC group, a 1.30% reduction in central corneal thickness was observed after 12 months.
• High-contrast visual acuity remained stable across all visits in both groups.
• Curvature analysis showed differing effects on anterior corneal curvature between KC and KC-ICRS groups.
• Long-term SL wear resulted in measurable corneal morphological changes without adversely affecting visual acuity.

Clinical Implications

Practitioners should consider the individualized fitting of scleral lenses and monitor corneal topography before and after lens wear. Understanding the potential transient visual changes following lens removal can enhance patient satisfaction and inform clinical decisions.

Conclusion

The study underscores the safety and efficacy of scleral lenses for long-term vision correction in keratoconus, highlighting the need for ongoing monitoring of corneal changes.

References

1. Serramito M, Privado-Aroco A, Carracedo G, PMC, 2025 -- One-Year Impact of Scleral Lens Wear on Corneal Morphology in Keratoconus with and Without Intracorneal Ring Segment
2. American Academy of Ophthalmology, Guideline Central, 2024 -- AAO Corneal Ectasia Guideline Summary 2024 Preferred Practice Pattern
3. Contact Lens Spectrum — THE SCLERAL LENS VAULT
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5. Corneal Physician — Therapeutic Applications of Scleral Lenses
6. Contact Lens Spectrum — THE SCLERAL LENS VAULT
7. THE SCLERAL LENS VAULT
8. SCLERAL LENSES FOR REGULAR CORNEAS
9. Therapeutic Applications of Scleral Lenses
10. AAO Corneal Ectasia Guideline Summary 2024 Preferred Practice Pattern - Guideline Central
11. One-Year Impact of Scleral Lens Wear on Corneal Morphology in Keratoconus with and Without Intracorneal Ring Segment - PMC
12. Effect of Scleral Lens Oxygen Permeability on Corneal Physiology - PubMed