Results 81 to 90 of about 2,781,713 (276)

Cobalt Tungstate Characterization Using Matryoshka‐Structure Filter

open access: yesAdvanced Engineering Materials, EarlyView.
The green synthesis of cobalt tungstate (CoWO4) using natural polymerizing agents from agar–agar and commercial produces environmentally friendly materials with tunable structural and electromagnetic properties. X‐ray diffraction and Rietveld refinement correlate crystal structure with microwave transmission losses in Matryoshka‐type filters.
Amanda Gomes Barboza   +6 more
wiley   +1 more source

Seeing Opportunity in Virtual Reality: A Rapid Review of the Use of VR as a Tool in Vision Care

open access: yesTechnologies
(1) Virtual reality (VR) technologies have shown significant potential for diagnosing and treating vision-related impairments. This rapid review evaluates and characterizes the existing literature on VR technologies for diagnosing and treating vision ...
Kiana Masoudi   +5 more
doaj   +1 more source

Evidence-based preschool-age vision screening: health policy considerations

open access: yesIsrael Journal of Health Policy Research, 2019
BackgroundThere are many causes of visual impairment, and even blindness, which are treatable or at least preventable. Two such conditions are strabismus (crossed-eye, squint) and refractive error (visual image not focused on the most sensitive part of ...
D. Zimmerman   +5 more
semanticscholar   +1 more source

Organic Electrochemical Transistor Channel Materials: Copolymerization Versus Physical Mixing of Glycolated and Alkoxylated Polymers

open access: yesAdvanced Functional Materials, EarlyView.
This work discusses the use of blended channel materials in OECTs. It explores how mixing glycolated and alkoxylated polymers in various ratios offers a simpler and more efficient route to tuning OECT properties. The performance of the polymer blends is compared to the corresponding copolymers, demonstrating similar OECT characteristics, swelling ...
Lize Bynens   +14 more
wiley   +1 more source

Innovative myopic screening platform based on smartphones

open access: yesFrontiers in Bioengineering and Biotechnology
IntroductionTo validate a novel smartphone-based approach for subjective refraction, specifically for myopia screening, offering a cost-effective and accessible tool for at-home vision assessment.MethodsA total of 230 healthy volunteers, encompassing 460
Qiang Su   +9 more
doaj   +1 more source

3D (Bio) Printing Combined Fiber Fabrication Methods for Tissue Engineering Applications: Possibilities and Limitations

open access: yesAdvanced Functional Materials, EarlyView.
Biofabrication aims at providing innovative technologies and tools for the fabrication of tissue‐like constructs for tissue engineering and regenerative medicine applications. By integrating multiple biofabrication technologies, such as 3D (bio) printing with fiber fabrication methods, it would be more realistic to reconstruct native tissue's ...
Waseem Kitana   +2 more
wiley   +1 more source

Yaşlılarda Görme Taraması Yapılmalı mı?

open access: yesAnkara Medical Journal, 2018
Periyodik Sağlık Muayenesi, sağlıklı görünen insanların yaş, cinsiyet ve risk faktörlerine göre biçimlendirilmiş sıklıkta değerlendirilmeleridir.
Yusuf Üstü, Mehmet Uğurlu
doaj   +1 more source

Assessing the inclusion of primary school children in vision screening for refractive error program of India

open access: yesIndian Journal of Ophthalmology, 2018
Purpose: In India, teachers screen middle school children using the 6/9 Snellen's optotype. Recently, the National Program for Control of Blindness included primary school students also.
P. Shukla   +7 more
semanticscholar   +1 more source

Flux‐Regulated Crystallization of Perovskites Using Machine Learning‐Predicted Solvent Evaporation Rates for X‐Ray Detectors

open access: yesAdvanced Functional Materials, EarlyView.
By integrating machine learning into flux‐regulated crystallization (FRC), accurate prediction of solvent evaporation rates in real time, improving crystallization control and reducing crystal growth variability by over threefold, is achieved. This enhances the reproducibility and quality of perovskite single crystals, leading to reproducible ...
Tatiane Pretto   +8 more
wiley   +1 more source

Agreement and diagnostic accuracy of vision screening in children by teachers, community eye‐health workers and vision technicians

open access: yesClinical and experimental optometry, 2018
To compare the agreement and diagnostic accuracy of vision screening conducted by trained community eye‐health workers (CEHWs) and teachers with reference to vision technicians in Movva Mandal (sub‐district) in Krishna District in the Indian state of ...
Srinivas Marmamula   +6 more
semanticscholar   +1 more source

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