en همبستگی بین کیفیت خواب و تست‌های فیلم اشکی گفتاردرمانی Speech Therapy پژوهشي Research <div style="text-align: justify;"><span style="font-family:times new roman;"><span style="color:#0000CD;"><strong>Background and Objectives: </strong></span>Several&nbsp; studies have investigated the correlation between sleep and tear film among adults, senior high school students, employees and animals. The aim of this study is to evaluate the correlation between sleep quality and tear film tests among university students.<br> <span style="color:#0000CD;"><strong>Materials and Methods: </strong></span>A total of 102 students (52 men and 50 women) were enrolled in this cross-sectional study. Their sleep quality was evaluated using the Pittsburgh standard questionnaire and their tear film by the Schirmer-1 test and the tear film break up time (TBUT).&nbsp;<br> <span style="color:#0000CD;"><strong>Results:</strong> </span>Out of 102 participants in this study, 69(67.6%) students had poor sleep quality and 64 (62.7%) students based on TBUT and 17(16.7%) students based on Schirmer-1 test had dry eye. There was a significant relationship between the Pittsburgh Sleep Quality Index (PSQI) and the Schirmer-1 test (correlation coefficient:-0.409, P<0.001). There was also a significant relationship between PSQI and TBUT (correlation coefficient:-0.484, P<0.001).<br> <span style="color:#0000CD;"><strong>Conclusion: </strong></span>The results of this study showed that there is a significant correlation between PSQI and tear film tests. </span></div> Tear film,Sleep quality,Student, 1 8 http://fdj.iums.ac.ir/browse.php?a_code=A-10-86-2&slc_lang=en&sid=1 Peyman Ahmadi پیمان احمدی 10031947532846001335 10031947532846001335 No MSc Student of Optometry, Department of Optometry, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran دانشجوی کارشناسی ارشد، گروه بینایی‌سنجی، دانشکدۀ علوم توانبخشی، دانشگاه علوم پزشکی ایران، تهران، ایران Ali Mirzajani علی میرزاجانی amirzajani9@gmail.com 10031947532846001336 10031947532846001336 Yes Associate Professor of Optometry, Department of Optometry, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran دانشیار، گروه بینایی‌سنجی، دانشکدۀ علوم توانبخشی، دانشگاه علوم پزشکی ایران، تهران، ایران Ebrahim Jafarzadehpur ابراهیم جعفرزاده پور 10031947532846001337 10031947532846001337 No Professor of Optometry and Vision Sciences, Department of Optometry, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran استاد، گروه بینایی‌سنجی، دانشکدۀ علوم توانبخشی، دانشگاه علوم پزشکی ایران، تهران، ایران Jamileh Abolghasemi جمیله ابوالقاسمی 10031947532846001338 10031947532846001338 No Associate Professor of Biostatistics, Department of Biostatistics, School of Public Health, Iran University of Medical Sciences, Tehran, Iran دانشیار، گروه آمار زیستی، دانشکدۀ بهداشت عمومی، دانشگاه علوم پزشکی ایران، تهران، ایران