RATIONALE Patients with obstructive sleep apnea (OSA) experience respiratory events with greater frequency and severity while in the supine sleeping position. Postural modification devices (PMDs) prevent supine sleep, although there is a paucity of guidance to help clinicians decide when to use PMDs for their patients. In order for PMDs to treat OSA effectively, patients must experience respira...

THE purpose of this work is the investigation of: (a) The reliability of the Koch's dark adaptometer. (b) The normal findings for minimum form and light senses on the instrument.. (c) The minimum form and light senses in subjects complaining of defective night vision, and (d) Conclusions,that might be drawn from these findings in helping to distinguish between psychogenic and organic night visu...

PURPOSE To investigate the relationship between night myopia and the occurrence of night-time motor vehicle accidents in a group of professional drivers. METHODS We examined 136 professional drivers. Refraction was determined in full illumination (100 cd/m2) and after sitting in darkness for 5 mins. The change in refraction, indicative of night myopia, was correlated with the number of motor ...

The readers of this Gazette ma}7 remember that attention was called in June to the extract made by Major F. P. Maynard, I.M.S., in our Current Literature Columns (June, p. 234) on the treatment of cases of night-blindness by ingestion of liver. The case in favour of the liver treatment seemed so clear that I determined to try it on the first opportunity, and the following cases are here publish...

background: sound produced by the passing traffic contributes to noise pollution. noise pollution affects the residents of both city and suburban areas. the noise produced does not only disturb the community living nearby the main road during the day but becomes worse during the night. the purpose of the study is to perform noise level measurement and subjective evaluation on the noise produced...