Saudi journal of ophthalmology : official journal of the Saudi Ophthalmological Society · 2013
Sleep position and the ocular surface in a high airflow environment.
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Gauba Vinod, Curtis Zoe J
Аннотация
PURPOSE: To study the relationship between sleep position and ocular surface symptoms and signs in an high air flow environment.
METHODS: Prospective observational study of new patients attending the dry eye clinic was performed. Patients with pre-existing ocular history, relevant systemic history (e.g. Sjogren's syndrome) or who were using topical or systemic therapy for dry eye were not included. Data were collected from the patient to document their dry eye symptoms; preferred dependent sleeping side and their bedroom airflow. All patients were examined by a clinician blind to the patient's responses where Schirmer's test and slit lamp examination were performed looking for the presence of lagophthalmos and corneal epitheliopathy.
RESULTS: 48 patients enrolled into the study of which 23 were males and 25 were females with a normal and comparable age distribution. The study found a strong association between patients' preferred sleeping side and the incidence of corneal epitheliopathy in the contralateral eye particularly in patients with evidence of lagophthalmos. Dry eye symptoms were found to be worse and tear production lower on the contralateral side to the preferred sleeping side particularly in patients who sleep in a high airflow environment.
CONCLUSION: In patients sleeping in a high airflow environment with nocturnal lagophthalmos, this study observed an association between preferred dependent sleep position and increased dry eye symptoms, lower Schirmer's scores and increased corneal epitheliopathy in the contralateral eye.
METHODS: Prospective observational study of new patients attending the dry eye clinic was performed. Patients with pre-existing ocular history, relevant systemic history (e.g. Sjogren's syndrome) or who were using topical or systemic therapy for dry eye were not included. Data were collected from the patient to document their dry eye symptoms; preferred dependent sleeping side and their bedroom airflow. All patients were examined by a clinician blind to the patient's responses where Schirmer's test and slit lamp examination were performed looking for the presence of lagophthalmos and corneal epitheliopathy.
RESULTS: 48 patients enrolled into the study of which 23 were males and 25 were females with a normal and comparable age distribution. The study found a strong association between patients' preferred sleeping side and the incidence of corneal epitheliopathy in the contralateral eye particularly in patients with evidence of lagophthalmos. Dry eye symptoms were found to be worse and tear production lower on the contralateral side to the preferred sleeping side particularly in patients who sleep in a high airflow environment.
CONCLUSION: In patients sleeping in a high airflow environment with nocturnal lagophthalmos, this study observed an association between preferred dependent sleep position and increased dry eye symptoms, lower Schirmer's scores and increased corneal epitheliopathy in the contralateral eye.