Results 81 to 90 of about 28,996 (271)

Atomic‐Scale Light Coupling Control in Ultrathin Photonic Membranes

Advanced Functional Materials, EarlyView.
Ultrathin photonic nanomembranes provide atomic‐scale control over the coupling between incident light and high‐Q photonic modes, enabling angstrom‐level resonance tuning and strong field confinement. When integrated with TMD monolayers, they further yield enhanced light–matter interactions, offering a versatile platform for advancing quantum photonics,
Chih‐Zong Deng, Chun‐Hao Chiang, Sunhao Shi, Jui‐Han Fu, Yen‐Ju Wu, Kuniaki Konishi, Vincent Tung, Chun‐Wei Chen, Ya‐Lun Ho   +8 more
wiley   +1 more source

Comparison of Modern Surgical Techniques in a Treatment of Myopia

Southeastern European Medical Journal
Aim: To examine whether there is a difference in the outcomes of surgical techniques photorefractive keratectomy (PRK), laser in situ keratomileusis (LASIK) and implantable collamer lens (ICL) for: short-term visual outcome after 6 months, long-term ...
Karla Bodakoš, Mateja Jagić, Antonio Kokot   +2 more
doaj   +1 more source

Predictive factors for efficacy and safety in refractive surgery for myopia.

PLoS ONE, 2018
PURPOSE:To evaluate the predictive factors for safety and efficacy in laser refractive surgery for myopia. SETTING:A singular refractive surgery center, at a University-affiliated tertiary medical center. DESIGN:Retrospective cohort study.
Nir Gomel, Shay Negari, Joseph Frucht-Pery, Denise Wajnsztajn, Eyal Strassman, Abraham Solomon   +5 more
doaj   +1 more source

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

Advanced Functional Materials, EarlyView.
Self‐folding soft‐rigid hybrid robotic origami is enabled by liquid crystal elastomer actuators with embedded Joule heating and closed‐loop digital control. Digitally addressable hinges provide reversible and programmable transitions between distinct folded states while maintaining actuation performance at high cycle counts (over 1500).
David C. Bershadsky, Tuo Zhao, Glaucio H. Paulino, Emily C. Davidson   +3 more
wiley   +1 more source

Refractive Changes Induced by Strabismus Corrective Surgery in Adults

Journal of Ophthalmology, 2017
Purpose. To investigate refractive changes after strabismus correction procedures among adults. Methods. Retrospective chart review of adult patients who had horizontal recti muscles surgery with preoperative and postoperative cycloplegic refraction ...
Daphna Mezad-Koursh, Ari Leshno, Tomer Ziv-Baran, Chaim Stolovitch   +3 more
doaj   +1 more source

Refractive and surgical outcomes of scleral buckling with or without vitrectomy in primary pseudophakic retinal detachment [PDF]

International Journal of Ophthalmology
AIM: To report the refractive and surgical outcomes of scleral buckling (SB) with or without pars plana vitrectomy (PPV) in patients with pseudophakic rhegmatogenous retinal detachment (PRRD).
Yu-Ta Lin, Yung-Jen Chen
doaj   +1 more source

A proposed rapid methodology to assess the prevalence and causes of blindness and visual impairment.

, 2006
PURPOSE: To determine whether a sample of the 50-year-old and above population would provide comparable information to a total population-based survey. METHODS: In 1996, a national eye survey of the total population in The Gambia was undertaken and the ...
Dineen, Brendan, Faal, Hannah, Foster, Allen   +2 more
core   +1 more source

Meta‐Rod Mechanical Metamaterials With Programmable Reconfiguration

Advanced Functional Materials, EarlyView.
Existing mechanical metamaterials achieve programmable large deformations in planar square or cubic configurations, restricted by required complex boundary conditions. This research proposes a 1D metamaterial, Meta‐rod, with linear, bending, twisting, area, and volume deformation modes.
Atharva Pande, Lyes Kadem, Hang Xu
wiley   +1 more source

Retinal straylight and light distortion phenomena in normal and post-LASIK eyes [PDF]

, 2011
Purpose To assess the relationship between measures of light distortion and retinal straylight in normal and post- LASIK subjects. Design Cross-sectional, non-randomized, masked observational case series Setting Clinica Oftalmologica Novovision ...
Cerviño, Alejandro, Ferrer-Blasco, Teresa, García-Lázaro, Santiago, González-Méijome, José Manuel, Villa-Collar, César   +4 more
core   +1 more source

Ferroelectricity in Antiferromagnetic Wurtzite Nitrides

Advanced Functional Materials, EarlyView.
We establish MnSiN2${\rm MnSiN}_2$ and MnGeN2${\rm MnGeN}_2$ as aristotypes of a new multiferroic wurtzite family that simultaneously exhibits ferroelectricity and antiferromagnetism with altermagnetic spin splitting. By strategically substituting alkaline‐earth metals, we predict new materials with coexisting switchable polarization, spin texture, and
Steven M. Baksa, Lin‐Ding Yuan, Stephen D. Wilson, James M. Rondinelli   +3 more
wiley   +1 more source