Comparison of the results of Ex-PRESS surgery for primary open-angle glaucoma between high and low preoperative intraocular pressure.

Purpose: To compare surgical outcomes of Ex-PRESS® (EXP) surgery for primary open-angle glaucoma (POAG) between low preoperative intraocular pressure (IOP) and high preoperative IOP.

Methods: This was a retrospective non-randomized study. Seventy-nine POAG patients who underwent EXP surgery and were followed for > 3 years were included.

Sleep-wake rhythm and its association with lifestyle, health-related quality of life and academic performance among Japanese nursing students: a cross-sectional study.

Background: Young adults are likely to have activities and go to bed late at night due to their age-dependent delayed endogenous circadian clock. The purpose of the present study was to clarify sleep-wake rhythm and its association with lifestyle, health-related quality of life, and academic performance among nursing students.

Methods: Self-reported questionnaires were distributed to undergraduate nursing students at six universities in Japan.

Impact of sleep problems on daytime function in school life: a cross-sectional study involving Japanese university students.

Background: The aims of this study were 1) to clarify the prevalence of sleep problems (insomnia, insufficient sleep, and delayed sleep-wake phase) among Japanese university students; 2) to examine sociodemographic characteristics, lifestyle, and sleep-related symptoms in each sleep problem; and 3) to evaluate the association between the above-mentioned sleep problems and daytime dysfunction in school life.

Methods: Self-report questionnaire surveys were conducted at eight universities in Japan, and we received 1034 valid answers (78% female). The questionnaire consisted of socio-demographic characteristics, information on lifestyle, sleep pattern, sleep-related symptoms, and daytime dysfunction in school life.