What question did this study set out to answer?

Evaluate how touch sensitivity in the lower lid margin changes during the adaptation to contact lenses.

February 19, 2026

Sensitivity Threshold of the Lower Lid Margin in the Course of Adaptation to Contact Lenses

Key Points

Evaluate how touch sensitivity in the lower lid margin changes during the adaptation to contact lenses.
Measured touch sensitivity across lower lid margins of four patients over adaptation periods.
Conducted assessments at specific intervals, notably at seven and 14 days of wearing contact lenses.
Evaluated sensitivity in relation to central corneal sensitivity.
Significant sensitivity changes occurred within the first 14 days of contact lens use.
Sensitivity thresholds decreased by up to two log10 units during adaptation.
Lower lid sensitivity approached or sometimes exceeded central corneal sensitivity.

Abstract

ABSTRACT The time course for change of touch threshold across the lower lid margin was determined throughout the adaptation periods of four patients (eight lids). The greatest changes, up to two log10 units, took place within seven and 14 days, the primary impact point being the most rapid to adjust. Lower lid margin sensitivity previous to adaptation approached and sometimes exceeded central corneal sensitivity of the same eye.

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Cite This Study

Lowther et al. (Sun,) studied this question.

synapsesocial.com/papers/6996a7d3ecb39a600b3edf24 https://doi.org/https://doi.org/10.1002/j.2330-9474.1968.tb03615.x

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