purpose: dry eye syndrome is a multifactorial disorder of the tear film and ocular surface that results in eye discomfort, visual disturbance, and often ocular surface damage. studies suggest that the prevalence of clinically diagnosed dry eye syndrome (des) is 0.4%. to 0.5%, which is highest among women and the elderly. the burden of des can be substantial, affecting visual function, daily act...

To provide a context for the potential threat of unmanned aircraft systems (UAS) sightings on airport operations, this paper compares characteristics UAS with two common threats: wildlife strikes and runway incursions. This study analyzed over 60,000 events in three-year period (September 2016 to August 2019), including 6,551 from Federal Aviation Administration (FAA) Sightings Report database,...

Abstract Data from 369 sightings of mobulid rays St Helena Island, Cardno and Bonaparte seamounts in the South Atlantic are summarised. 50 % (183) were observed a boat, 48 (176) encountered water, which 95 (168) whilst actively scuba diving. 2 (10) ray land. Sightings data indicate that Chilean devil Mobula tarapacana (Philippi, 1892) is frequent visitor to present all year. We document first p...

A decline in sightings of a top predator, the white shark (Carcharadon carcharias), South Africa was quantified order to identify possible causes for this decline. White data across 8 years (2011–2018), recorded from cage-diving vessel Gansbaai are reported. significant mean total per boat trip (>6 2011 <1 2018) and 69% reduction probability sighting were found. Correlating with is rise s...

this report provides the first record of the exotic sucker fish p. pardalis from the cauvery river system, tamilnadu state, india. information on the assumed presence of this invasive species based on sightings of a hitherto unknown species by local people and fishermen in stretches of cauvery river have been confirmed by our study. sailfin sucker fishes are popular among pet traders and aquari...

STOCK DEFINITION AND GEOGRAPHIC RANGE White-sided dolphins are found in temperate and sub-polar waters of the North Atlantic, primarily on continental shelf waters to the 100 m depth contour. The species inhabits waters from central west Greenland to North Carolina (about 35o N) and perhaps as far east as 43o W (Evans 1987). Distribution of sightings, strandings and incidental takes suggest the...