Results 71 to 80 of about 46,071 (297)

Powering Nanocrystal‐Based Heat Engines With Light‐Emitting Metasurfaces That Influence Their Temperature

open access: yesAdvanced Functional Materials, EarlyView.
Metasurfaces and other structured photonic environments can dramatically modify the absorption and/or light emission of semiconductors. However, the consequences of these changes on the temperature of the system are not well understood. The authors address this problem for colloidal nanocrystals and leverage their findings to convert light into ...
Hugo Kowalczyk   +7 more
wiley   +1 more source

Refractive errors and refractive development in premature infants

open access: yes, 2015
Purpose.- To examine refractive errors and refractive development in premature ...
Acar, U.   +3 more
core   +1 more source

Reduced Graphene Oxide Transparent Electrodes Enabling Compact Soft Tunable Lenses

open access: yesAdvanced Functional Materials, EarlyView.
By spray‐coating an elastomeric membrane with reduced graphene oxide (rGO) at various surface densities, elastomeric actuators are manufactured. Electro‐mechano‐optical characterizations show the suitability of rGO as an effective material for compliant, semi‐transparent electrodes, enabling soft electrically tunable lenses with a compact form factor ...
Giacomo Sasso   +4 more
wiley   +1 more source

Prevalence of refractive errors in Mexican patients with keratoconus

open access: yes, 2015
Aníbal Cruz-Becerril,1 Alejandra Valdivia,1 Raúl Peralta,2 Ruth N Domínguez-Fernández,1 Marco A Castro-Reyes1 1Instituto Politécnico Nacional, Sección de Estudios de Posgrado e Investigación, Centro ...
Cruz-Becerril A   +4 more
core  

Refractive Errors Among Medical Students

open access: yesNepalese Medical Journal, 2018
Introduction: Refractive errors are becoming a problem in many societies, with prevalence rates of myopia in many Asian urban countries reaching epidemic proportions.
Poojyashree Karki   +3 more
doaj   +1 more source

Refractive error maps: A predictive tool for refractive error progression

open access: yesOphthalmic and Physiological Optics
Abstract Purpose To investigate the influence of axial length on different ocular parameters and create a predictive tool for refractive error progression. Methods Two eye models were used to simulate refractive ...
Fabian Debowy, Barbara Pierscionek
openaire   +2 more sources

Conformal Metallosaccharide Hybrid Films for Protecting Wood Surfaces From Environmental Damage

open access: yesAdvanced Functional Materials, EarlyView.
Ti‐ribose hybrid films fabricated by molecular layer deposition form a conformal and uniform coating on wood surfaces, which provides water repellence, dimensional stability, and resistance to acidic and alkaline environments, while preserving the natural appearance.
Wenwen Wang   +7 more
wiley   +1 more source

Surgical correction of refractive errors

open access: yes, 2022
Refrakcijske greške oka predstavljaju greške u mogućnosti fokusiranja oka na objekte koje gledamo, koje rezultiraju smanjenom vidnom oštrinom. Refrakcijske greške dijele se na kratkovidnost (myopia), dalekovidnost (hyperopia), astigmatizam (astigmatismus)
Tomljanović, Niko
core   +2 more sources

Long‐Term Hydrophilic, Anti‐Clotting, and Anti‐Fibrotic Dynamic Covalent Silicone‐Based Biomaterials

open access: yesAdvanced Healthcare Materials, EarlyView.
Dynamic covalent crosslinking of a Schiff‐base silicone elastomer with hydrazide‐functionalized polymers is demonstrated to improve the long‐term hydrophilicity as well as the anti‐fouling and anti‐clotting properties of PDMS implants. The hydrazone‐functionalized material prevents hydrophobic recovery, resists clotting, and significantly reduces ...
Norma A. Garza Flores   +12 more
wiley   +1 more source

Effect of Computer Tasks in Straight Gaze on Corneal Topographic Indices

open access: yesJournal of Ophthalmic & Vision Research
Purpose: To investigate the effect of the near visual task of movie-watching in the straight gaze position on corneal topographic parameters. Methods: Thirty myopic young adults with an average age of 25.10 ± 4.13 years were recruited for the study.
Zeinab Tanhaye Shamsabady   +2 more
doaj   +1 more source

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