Sehar Nadeem, Gulzar Fatima, Amna Zaman.
Decrease in Sleep Quality in High Myopic Children. (a cross sectional study at Rahmet Hospital, Lahore).
Ophthalmol Update Jan ;16(3):789-92.

Background: Myopia is a serious eye-health problem worldwide that particularly affects Asian population. It is often complicated by retinal detachment, macular degeneration, glaucoma, and cataract, although the only systemic associations documented for myopia are higher risks of sleep disorders and depression. Objective: To get to know about the sleep quality in high myopic children and adults. Method: A cross sectional study was conducted in which surveyed 285 participants aged from 10 to 50 years with refractive error using a questionnaire containing the Pittsburgh Sleep Quality Index (PSQI) and Hospital Anxiety and Depression Scale (HADS).Regression analysis was done to get to kow about relationship of sleep quality with high myopia. Results: Children (<20 years) in the high myopia group exhibited the poorest scores (P<0.01), while the adults showed no such correlations. Subscales of PSQI and HADS in children disclosed that the high myopia groups had the shortest sleep duration (P<0.01), worst subjective sleep scores (P<0.001), and latest bedtime (P<0.05). Regression analyses in children significantly correlated myopic errors with PSQI (P<0.05), sleep duration (P<0.01), and bedtime (P<0.01). Sleep efficacy (P<0.05) and daytime dysfunction (P<0.05) were significantly better in contact-lens users compared to the respective nonuser groups across all participants Conclusion: In conclusion, sleep quality in children was significantly correlated with myopic error, with the high myopia group worst affected.

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