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  • Title: Unilateral Prostaglandin-Associated Periorbitopathy: A Syndrome Involving Upper Eyelid Retraction Distinguishable From the Aging Sunken Eyelid.
    Author: Rabinowitz MP, Katz LJ, Moster MR, Myers JS, Pro MJ, Spaeth GL, Sharma P, Stefanyszyn MA.
    Journal: Ophthalmic Plast Reconstr Surg; 2015; 31(5):373-8. PubMed ID: 25393907.
    Abstract:
    PURPOSE: To study the effects of prostaglandin analogue drops on the eyelids and adnexa in unilaterally treated subjects with the intention of qualifying, quantifying, and categorizing the characteristics of prostaglandin-associated periorbitopathy (PAP). METHODS: Patients using prostaglandin analogue drops in only 1 eye for at least 1 year were evaluated by masked examiners. Orbital and eyelid measurements were obtained for each patient, and adnexal photographs were taken. PAP was divided into 3 grades based on the presence and severity of fat atrophy and the existence and depth of superior sulcus deformity. Statistical analysis was performed comparing data between treated and untreated eyes. RESULTS: Thirty-three patients meeting eligibility criteria were enrolled, with equal numbers of subjects using latanoprost, travoprost, and bimatoprost. Treated eyes had a statistically significant increase in lagophthalmos (0.62 mm, p < 0.001), superior sulcus deformity/PAP grade (0.72, p < 0.001), and eyelid redness (1.08, p < 0.001). Treated eyes had significantly greater marginal reflex distance 1 measurements (0.89 mm, p = 0.02), highest with bimatoprost and moderate PAP. Treated eyes had relatively greater enophthalmos than untreated eyes. Very few patients noticed or complained about eyelid changes. CONCLUSION: Prostaglandin analogue drops cause adnexal changes and orbital fat atrophy leading to eyelid redness, superior sulcus deformity, higher eyelid crease, and enophthalmos. In contrast to previous studies showing ptosis in PAP, relative upper eyelid retraction was seen in most of our treated eyes. Our novel PAP grading scale may help objectify and categorize this syndrome. Awareness of these signs is critical, as the eyelids and eyes may be affected even in the absence of patient recognition.
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