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ISSN 0185-3252 (Print)
Revista de la Asociación Médica del Centro Médico ABC

2020, Number 4

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An Med Asoc Med Hosp ABC 2020; 65 (4)

Early corneal surface changes after refractive surgery evaluated with an ocular surface analyzer

Müller-Morales CA, Zatarain-Barrón N, Graue-Hernández EO, Navas-Pérez A

Language: Spanish
References: 19
Page: 270-274
PDF size: 298.11 Kb.


ABSTRACT

Introduction: To this day, controversy remains regarding the role refractive surgery plays in posterior development of dry eye signs and symptoms. Objective: To evaluate early changes in corneal surface after refractive surgery by laser assisted in situ keratomileusis, with an ocular surface analyzer. Material and methods: Pre and 1-week post-operative measurements of ocular surface disease index score, non-invasive tear breakup time, tear meniscus height (mm), and meibomian gland dropout (%) were made with the ocular surface analyzer LacryDiag (Quantel, Cournon d’Auvergne, France). Results: 28 eyes of 14 patients were included. Pre- and post-op findings were as following: ocular surface disease score from 8 to 18 (p = 1.25); non-invasive tear breakup time from 10.7 seconds to 6.2 seconds right eyes and 10.9 seconds to 6.3 seconds left eye (p = 1.10); tear meniscus height from 0.5 mm both eyes to 0.3 mm right eye (p = 1.64) and 0.2 mm left eye (1.64); and meibomian gland dropout from 21.6% to 21% right eye and 23.6% to 23% left eye (p = 1.50). Conclusions: Although statistically significant differences were not found between pre- and post-op measurements, there were clinical and symptomatic differences in patients.


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EVIDENCE LEVEL

IV




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