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Contact Lenses in Thyroid Diseases
Kamil Szulborski, Karina Broniek-Kowalik, Ewa Langwińska-Wośko
Katedra i Klinika Okulistyki II Wydziału Lekarskiego Warszawskiego Uniwersytetu Medycznego Samodzielny Publiczny Kliniczny Szpital Okulistyczny w Warszawie Kierownik: prof. dr hab. n. med. Jerzy Szaflik
Summary: Thyroid diseases affect eye anatomy and function. The authors present ocular changes in hyperthyroidism and thyroid orbithopathy and related complications in contact lens wearers. Exophthalmos, increased palpebral fissure width and decreased blink rate (Stellwag sign) lead to dry eye syndrome and elevated tear film osmolarity. In Graves ophthalmopathy, autoimmune disease, salivary gland dysfunction could be also observed, accompanied by changed tear proteins profile. Although in severe stages contact lens fitting is contraindicated, in mild stages proper diagnostic and therapeutic management enables CL fitting and wearing. Assessment scores allow to evaluate ocular changes in thyroid disease course. On the other hand, therapeutic use of silicone hydrogel contact lenses could be useful in severe Graves? ophthalmopathy with ocular surface damage as well as in case of superior limbic keratoconjunctivitis (SLK), which is often associated with thyroid dysfunction.