Results 21 to 30 of about 165,986 (168)
, 2020 We present a previously unreported positive dysphotopsia of an alternating green and red diagonal line after developing posterior capsular folds following uneventful cataract surgery and its management.
Zaria C. Ali +2 more
semanticscholar +1 more source
Kerala Journal of Ophthalmology, 2017 Prisms are used in diagnosis and Therapy of Ophthalmic disorders. Prismotherapy provides symptomatic relief not only in many kinds of squints, but also in non strabismic conditions like convergence insufficiency, nystagmus, heminopia etc. One of the most
J Antony
doaj +1 more source
High-Transmission Neutron Optical Devices Utilizing Micro-Machined Structures
Quantum Beam Science, 2023 Neutrons are a powerful probe in material science with unique penetrating abilities. A major challenge stems from the fact that neutron optical devices are limited to refractive indices on the order of n≈1±10−5.
Connor Kapahi +8 more
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Large Scale Spectral Splitting Concentrator Photovoltaic System Based on Double Flat Waveguides
Energies, 2020 In this research, we present a novel design for a large scale spectral splitting concentrator photovoltaic system based on double flat waveguides. The sunlight concentrator consists of a Fresnel lens array and double waveguides.
Ngoc Hai Vu +2 more
doaj +1 more source
Calculate The Resonance Angle of Surface Plasmon Resonance Gold film Configured with Kretschmann
Tikrit Journal of Pure Science, 2022 The current work includes measurements of the resonance angle and reflectance for p-polarization of the electric field by using the Fresnel equation at a given length. Gold's surface plasmon wave can be seen at the metal-to-air boundary.
Yadgar Hussein Shwan
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Scientific Reports, 2022 We propose a new configuration of single-shot off-axis digital holographic system to realize double the camera field-of-view (FOV) of the existing off-axis Mech-Zehnder type holographic setup.
Manoj Kumar, Lavlesh Pensia, Raj Kumar
doaj +1 more source
Possibilities of prismatic correction in the treatment of congenital horizontal nystagmus
Офтальмохирургия, 2021 Purpose. Analysis the effectiveness of prismatic correction in the treatment of congenital horizontal nystagmus. Material and methods. The study included 20 patients with congenital horizontal nystagmus.
G. V. Gladysheva +6 more
doaj +1 more source
British and Irish Orthoptic Journal, 2022 Aim: To report the outcomes of the natural progression and ophthalmic treatment of patients reviewed in a tertiary hospital trust with unilateral or bilateral internuclear ophthalmoplegia.
Joshua Simmons, Martin Rhodes
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Design of Novel Compound Fresnel Lens for High-Performance Photovoltaic Concentrator
International Journal of Photoenergy, 2012 We present a new design of compound Fresnel-R concentrator which is composed of two lenses: a primary lens (Fresnel lens) that works by total internal reflection at outer sawteeth but refraction at inner sawteeth, and a ringed secondary lens that works ...
Lei Jing +6 more
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Приборы и методы измерений, 2016 The increase of angular dispersion and slit resolution limit of grating spectrometers by means of variation of grating parameters is limited by its period and allowable order of diffraction. The special solutions (echelle, holographic, immersion gratings)
I. M. Gulis, A. G. Kupreyeu
doaj +1 more source