Demodex: Another Means of Preventing Contact Lens Dropout?

Attendees of the lecture, “Focus on the Lids for OSD Success,” which was provided by Melissa Barnett, OD, learned, in part, about another focus for deterring contact lens dropout: identifying Demodex.

By: Jennifer Kirby, managing editor

Optometric Management February 28, 2025

Clinical Report: Demodex and Its Role in Contact Lens Dropout Prevention

Overview

Expand on how identifying and treating Demodex specifically leads to improved lens retention.

Background

Contact lens dropout remains a significant challenge in optometry, affecting both patient satisfaction and practice efficiency. Recent findings suggest that Demodex blepharitis is a common, yet often overlooked, contributor to ocular discomfort in lens wearers. Understanding the role of Demodex in contact lens intolerance is crucial for developing effective management strategies.

Data Highlights

Demodex identified in up to 90% of contact lens wearers; 93% of intolerant wearers had Demodex.

Key Findings

Demodex mites can cause inflammation and degeneration of conjunctival tissue.
They are associated with various ocular conditions including blepharitis and keratitis.
93% of contact lens wearers reporting intolerance had Demodex, while only 6% without symptoms had the mites.
High magnification slit lamp examination is essential for accurate identification of Demodex.
Lotilaner ophthalmic solution is effective in eradicating Demodex.

Clinical Implications

Eye care providers should routinely screen for Demodex in contact lens wearers, particularly those experiencing discomfort. Implementing targeted treatments, such as lotilaner, can enhance patient comfort and reduce dropout rates.

Conclusion

Addressing Demodex infestation is a critical step in managing contact lens intolerance, potentially improving retention and patient satisfaction.

PentaVision

Optometric Management