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Updated: Jan 21, 2026

Impression Cytology of the Lid Wiper Area
Published on: August 9, 2016
Best technique for upper lid eversion.
James S Wolffsohn1, Mohammed Tahhan1, Maria Vidal-Rohr1
1Life and Health Sciences, Aston University, Birmingham, UK.
The silicone everter is the most comfortable and effective method for lid eversion in contact lens aftercare. This technique provides a good balance of patient comfort, speed, and optimal exposure of the palpebral conjunctiva.
Area of Science:
- Ophthalmology
- Optometry
- Contact Lens Technology
Background:
- Lid eversion is a crucial step in contact lens aftercare.
- Assessing the palpebral conjunctiva is vital for monitoring ocular health in contact lens wearers.
Purpose of the Study:
- To determine the optimal lid eversion technique based on patient comfort, speed, and conjunctival exposure.
- To compare the efficacy of six different lid eversion methods.
Main Methods:
- Twenty-five participants underwent six lid eversion techniques in a randomized order.
- Techniques included cotton bud variations, digital eversion, and a silicone substitute.
- Comfort was rated on a visual analogue scale; time and exposed area were measured objectively.
Main Results:
- Silicone everter and digital eversion were the most comfortable methods.
- Wooden end of cotton bud was fastest, followed by the silicone everter.
- The silicone everter provided the greatest exposed area of the palpebral conjunctiva.
Conclusions:
- Lid eversion techniques yield repeatable results.
- The silicone everter is recommended for its superior comfort, speed, and efficacy in exposing the palpebral conjunctiva.
- This method enhances patient care in contact lens aftercare.
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