Results 1 to 10 of about 26,212 (114)

A guarded light pipe for direct visualization during primary scleral buckling on the Ngenuity platform [PDF]

open access: yesInternational Journal of Retina and Vitreous, 2020
Background Visualization during scleral buckling is traditionally achieved via indirect ophthalmoscopy. Recent advances have utilized the surgical microscope and a 25 gauge cannula-based endoillumination system, also known as a Chandelier lighting system.
Joshua S. Agranat   +3 more
doaj   +2 more sources

A Comparative Study of Traditional Scleral Buckling to a New Technique: Guarded Light Pipe with Heads-Up Three-Dimensional Visualization [PDF]

open access: yesClinical Ophthalmology, 2022
Grace Baldwin, Jared T Sokol, Cassie A Ludwig, John B Miller Retina Service, Department of Ophthalmology, Harvard Medical School, Boston, MA, USACorrespondence: John B Miller, Retina Service, Mass Eye and Ear, Harvard Medical School, Principal ...
Baldwin G   +3 more
doaj   +2 more sources

A 27-Gauge Light Pipe-Assisted Modified Kebab Technique for Safe Retrieval of a Dropped Lens Nucleus: A Case Report [PDF]

open access: yesCase Reports in Ophthalmology
Introduction: Management of dropped lens nuclei can be challenging, and several approaches have been reported, including perfluorocarbon liquid (PFCL) flotation and the kebab technique with intraocular diathermy.
Sho Yokoyama
doaj   +2 more sources

Automatic Light Pipe Actuating System for Bimanual Robot-Assisted Retinal Surgery. [PDF]

open access: yesIEEE ASME Trans Mechatron, 2020
He C   +6 more
europepmc   +2 more sources

Experimental Analysis on a 1:2 Scale Model of the Modified Double Light Pipe

open access: yesJournal of Daylighting, 2022
This paper is focused on the daylighting system named Modified Double Light Pipe (MDLP) designed by the authors as an evolution of the Double Light Pipe to eliminate the drawbacks due to its encumbrance and the high luminance of its upper portion.
Paolo Zazzini   +3 more
doaj   +1 more source

WEB BASED SIMULATION PERFORMANCE OF LIGHT PIPE DAYLIGHT TRANSPORTER AS A SUSTAINABLE SYSTEM IN AN OFFICE BUILDING [PDF]

open access: yesProceedings on Engineering Sciences, 2022
The Internal quality environment in a room/office purely depends on the daylighting. Light pipe offers to bring sunlight through passive way to the core of the building.
Badri Narayan Mohapatra
doaj   +1 more source

Experimental Investigation of Illumination Performance of Hollow Light Pipe for Energy Consumption Reduction in Buildings

open access: yesEnergies, 2021
This work investigates the light illumination intensity, light transmission performance, light distribution on the floor, and daylight factor of vertical light hollow tubes at various incident elevation angles of a light source. The light tubes were made
Jiraphorn Mahawan, Atthakorn Thongtha
doaj   +1 more source

Daylighting Performance of Integrated Light Shelf with Horizontal Light Pipe System for Deep Plan High-Rise Office in Tropical Climate

open access: yesJournal of Daylighting, 2022
Tropical countries such as Malaysia receives a significant amount of daylight. The utilisation of this renewable resource in a high-rise office building leads to opportunities and challenges.
Christopher Heng Yii Sern   +2 more
doaj   +1 more source

Analysis of thermal performance a heat pipe for concentrated photovoltaic cooling

open access: yesJournal of Radiation Research and Applied Sciences, 2023
Heat pipes are used in this study for the concentrated photovoltaic (CPV) passive cooling. Investigations have been done in two steps: in the first step, the heat pipe's thermal performance in the horizontal position has been tested. Two sets cylindrical
Abdelrahman Lashin
doaj   +1 more source

Laser Spatial Coherence Suppression With Refractive Optical Elements Toward the Improvement of Speckle Reduction by Light Pipes

open access: yesIEEE Access, 2019
We study laser speckle reduction by light pipes, and we propose a new method to improve its efficiency. Proof-of-concept refractive optical elements (ROEs) with a staircase-like structure are introduced before a holographic diffuser to split a laser beam
Zhaomin Tong   +5 more
doaj   +1 more source

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