Upper Eyelid Response to Topical 0.5% Apraclonidine

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Abstract

Purpose:

To describe the change in upper eyelid position in a self-reportedly normal population after the administration of topical 0.5% apraclonidine in each eye.

Methods:

One hundred self-reportedly normal subjects received a 1-time administration of topical 0.5% apraclonidine in each eye. Digital photographs were taken at baseline and then 30 and 45 minutes following apraclonidine instillation. Marginal reflex distance 1 was determined via image analysis of acquired digital photographs (image-derived measurements are given the prefix “i” in this study). The horizontal corneal diameter was used as a constant measurement scale in each photograph.

Results:

The mean increase in i-marginal reflex distance 1 post-administration of 0.5% apraclonidine was +0.70 ± 0.60 mm (range, −0.94 to +2.66 mm) after 30 minutes and +0.68 ± 0.59 mm (range, −0.69 to +2.54 mm) after 45 minutes. Of the 200 total eyelids in 100 subjects, 181 (90.5%) had an increase in i-marginal reflex distance 1 at 30 minutes. Of the 100 subjects, 85 (85%) had a bilateral increase in i-marginal reflex distance 1, 4 (4%) had a bilateral decrease, and 11 (11%) had a unilateral increase with a contralateral decrease.

Conclusions:

Given its predominant small-amplitude upper eyelid elevating effect, topical apraclonidine may be a useful off-label alternative treatment for mild upper eyelid ptosis and in eyelid asymmetry due to eyelid retraction through use in the contralateral eye.

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