Results 51 to 60 of about 41,813 (308)

Refração por retinoscopia com luz em faixa em cães Refraction by streak retinoscopy in dogs

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2008
A refração ocular por retinoscopia com luz em faixa em 10 cães normais, sem raça definida, demonstrou que a maioria dos animais, independentemente do porte, apresentou tendência à hipermetropia, além de anisometropia e astigmatismo.Ocular refraction by ...
J.J.T. Ranzani, L.A.L. Mobricci, L.R. Carvalho, C.V.S. Brandão   +3 more
doaj   +1 more source

The ocular health and visual function status of sewing professionals of garment factories of Kathmandu Valley

Cogent Medicine, 2021
Sewing professionals are engaged in extensive near work in a small and intensely condensed workspaces, thereby exposing themselves to different ocular and vision-related problems.
Sadhana Sharma, Ranju Kharel Sitaula, Sanjeeb Mishra, Gulshan Bdr Shrestha, Anand Kumar Sharma   +4 more
doaj   +1 more source

The Effect of Accommodation on Peripheral Refraction under Two Illumination Conditions

Photonics, 2022
The clinical importance of peripheral refraction as a function of accommodation has become increasingly evident in the last years with special attention given to myopia control. Low order ocular aberrations were measured with a Hartmann–Shack aberrometer
Raquel van Ginkel, María Mechó, Genis Cardona, José M. González-Méijome   +3 more
doaj   +1 more source

Packaging of Macroscopic Material Payloads: Needs, Challenges, Concepts, and Future Directions

Advanced Engineering Materials, EarlyView.
This review introduces a unified framework that decomposes any macroscopic packaging system into the payload, packaging material, and packaging strategy and combines them into a conceptual packaging equation: packaging strategy = payload + packaging material.
Venkata S. R. Jampani, Manos Anyfantakis
wiley   +1 more source

Ocular hypertension in myopia: analysis of contrast sensitivity [PDF]

, 2018
Purpose: we evaluated the evolution of contrast sensitivity reduction in patients affected by ocular hypertension and glaucoma, with low to moderate myopia.
Arrico, L, Bianchini, D, Migliorini, R, Nebbioso, M., Quercia, A   +4 more
core   +1 more source

On the Influence of Antioxidants and Recycled MgO–C Source Material on the Mechanical Properties of Carbon‐Bonded Magnesia Refractories

Advanced Engineering Materials, EarlyView.
The presented study focuses on the fracture behaviour of carbon‐bonded magnesia MgO–C refractories, where environmentally friendly fructose, collagen and lignin serve as temporary binding agents. The partial substitution of the source material with recycled MgO–C reduces the fracture resistance, which can be counteracted by the additional introduction ...
Marc Neumann, Tom Weber, Jana Hubálková, Florian Kerber, Dinesh Kumar Gunasekar, Hans Jelitto, Christos G. Aneziris   +6 more
wiley   +1 more source

Impacto da análise do "wavefront" na refratometria de pacientes com ceratocone Impact of the wavefront analysis in refraction of keratoconus patients

Revista Brasileira de Oftalmologia, 2010
OBJETIVO: Verificar se a aberrometria ocular total (análise da frente de onda ou wavefront) possibilita a melhora na acuidade visual corrigida (AVc) com lentes esfero-cilíndricas, obtida com a refratometria manifesta em casos de ceratocone com algum grau
Renato Ambrósio Junior, Diogo Leitão Caldas, Renata Siqueira da Silva, Leonardo Nogueira Pimentel, Bruno de Freitas Valbon   +4 more
doaj   +1 more source

Evaluation of corneal transplantation [PDF]

, 1997
Editorial / comment on corneal ...
Coster, Douglas John
core   +1 more source

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

Advanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko, Evelyn Wang, Michael A. Hickner   +2 more
wiley   +1 more source

Deterministic Detection of Single Ion Implantation

Advanced Engineering Materials, EarlyView.
Focused ion beam implantation with high detection efficiencies will enable the rapid and scalable fabrication of advanced spin‐based technologies such as qubits. This work presents the detection efficiencies of a wide range of ions implanted into solid‐state hosts, with efficiencies of >90% recorded for ion species and substrate combinations of ...
Mason Adshead, Lok Kan Wan, Maddison Coke, Janet Jacobs, Nicholas F. L. Collins, Mark C. Rosamond, Richard J. Curry   +6 more
wiley   +1 more source