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Role of Blepharoexfoliation in Demodex Blepharitis: A Randomized Comparative Study
Hossein Mohammad-Rabei1, Amir Arabi1, Toktam Shahraki1
1Department of Ophthalmology, Research Institute for Ophthalmology and Vision Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran; and.
Cornea
|April 19, 2022
Summary
Blepharoexfoliation significantly reduced Demodex blepharitis symptoms and Demodex count compared to eyelid scrubs alone. This treatment offers a more effective approach for managing Demodex blepharitis.
Area of Science:
- Ophthalmology
- Dermatology
- Parasitology
Background:
- Demodex blepharitis is a common condition caused by Demodex mite infestation.
- Current treatments include eyelid hygiene and topical medications.
- The efficacy of in-office blepharoexfoliation has not been extensively studied.
Purpose of the Study:
- To evaluate the safety and efficacy of blepharoexfoliation in treating Demodex blepharitis.
- To compare the outcomes of blepharoexfoliation combined with eyelid scrubs versus eyelid scrubs alone.
Main Methods:
- A randomized controlled trial was conducted with patients diagnosed with Demodex blepharitis.
- The treatment group received in-office blepharoexfoliation with tea tree oil shampoo followed by daily eyelid scrubs.
- The control group received sham blepharoexfoliation and daily eyelid scrubs.
- Ocular Surface Disease Index (OSDI) scores, Demodex counts, and Meibomian Gland Dysfunction (MGD) severity were assessed.
Main Results:
- Blepharoexfoliation significantly reduced OSDI scores (P=0.016) and Demodex counts (P=0.025) compared to the control group at 8 weeks.
- Both groups showed improvement in MGD, with no significant difference between them (P=0.84).
- Baseline Demodex count correlated with baseline OSDI score and MGD severity.
Conclusions:
- One session of blepharoexfoliation combined with manual eyelid scrubs is more effective than eyelid scrubs alone.
- This treatment modality offers a significant improvement in symptoms and reduction of Demodex infestation for patients with Demodex blepharitis.
