Results 251 to 260 of about 1,837,852 (291)

Current and Emerging Strategies for Myopia Control in Children: A Comprehensive Evidence-Based Review. [PDF]

J Clin Med
Vagge A, Baldi M, Musolino M, Rivarone V, Catti C, Iester M.   +5 more
europepmc   +1 more source

Low concentration atropine eye drops and progression of myopia in children: multicentre placebo controlled, double masked, randomised trial in the UK (CHAMP-UK).

BMJ
Azuara-Blanco A, Logan NS, McConnell E, Kearney S, Kirk G, Jones S, McDowell C, Murphy L, O'Hanlon G, McFarland M, Painter S, Muthusamy B, Nabili S, Preston J, Flitcroft I, Loughman J, Mackey D, Lee S, Dahlmann-Noor A, Congdon N, Hogg RE, Hammond CJ, Saunders K, Allen PM, Strang N, Clarke M.   +25 more
europepmc   +1 more source

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Available sight distance on existing highways: Meeting stopping sight distance requirements of an aging population

Accident Analysis and Prevention, 2018
An important element of highway design is ensuring that the available sight distance (ASD) on a highway meets driver needs. For instance, if the ASD at any point on a highway is less than the distance required to come to a complete stop after seeing a hazard (i.e.
Karim El-Basyouny, James C Koch, Mostafa Mohammed   +2 more
exaly   +3 more sources

Stopping Sight Distance and Available Sight Distance: New Model and Reliability Analysis Comparison

Transportation Research Record, 2017
Stopping sight distance (SSD) is an important design criterion used in the geometry of highways and streets. Design guidance implies that SSD is used to ensure safety along the roadway. This paper reviews SSD design criteria and develops an updated model to improve consistency between available sight distance and SSD criteria found
Eric Donnell, Jonathan S Wood
exaly   +2 more sources

Assessing Stopping and Passing Sight Distance on Highways Using Mobile LiDAR Data

Journal of Computing in Civil Engineering, 2018
AbstractGeometric design guides provide minimum standards that must be met to ensure the safe and efficient operation of highways.
Karim El-Basyouny, Suliman A Gargoum
exaly   +2 more sources

Motorcyclist perception response time in stopping sight distance situations

Safety Science, 2012
One of the most effective engineering measures is the provision of an exclusive motorcycle lane that separates motorcycles from other mixed traffic to reduce traffic congestion and motorcycle crashes. Even though the existing exclusive motorcycle lanes in Malaysia reduced the incidents of motorcycle crashes with other vehicles, the design of this ...
Seyed Rasoul Davoodi, Mahdieh Pazhouhanfar, Hussain Hamid   +2 more
exaly   +2 more sources

Driver Perception–Brake Response in Stopping Sight Distance Situations

Transportation Research Record, 1998
One of the most important requirements in highway design is the provision of adequate stopping sight distance at every point along the roadway. At a minimum, this sight distance should be long enough to enable a vehicle traveling at or near the design speed to stop before reaching a stationary object in its path.
Daniel B Fambro
exaly   +2 more sources

New Stopping Sight Distance Model for Use in Highway Geometric Design

Transportation Research Record, 2000
Stopping sight distance is an important design parameter in that it defines the minimum sight distance that must be provided at all points along the highway. Thus, it influences geometric design values, construction costs, and highway safety. Stopping sight distance is defined as the sum of two components—brake reaction distance and braking distance ...
Daniel B Fambro
exaly   +2 more sources

The Stopping Sight Distance Test for Freeway Based on the Operating Speed

Applied Mechanics and Materials, 2011
In this paper, the stopping sight distance of passenger car based on the operating speed was regarded as guideposts, and its corresponding radius of horizontal curve and vertical curve was got according to the calculated results, and available for reference and application in the alignment design and safety evaluation for freeway.
exaly   +2 more sources