Results 81 to 90 of about 2,544,987 (248)
Refractive surgery: who needs customized ablation [PDF]
, 2003 Refractive surgery is facing an important period of its evolution. Day by day we are getting used to terms such as: wave front, customized ablation, supervision, aberrations, etc. What will be the future of all these technologies?
Chamon, Wallace [UNIFESP] +1 more
core +1 more source
Ophthalmology and Therapy, 2019 With the development and gradual dissemination of corneal collagen cross-linking (CXL) in the twenty-first century as an early treatment for keratoconus, the management paradigm has shifted to include a greater focus on complete refractive correction for
Angela Y. Zhu +2 more
doaj +1 more source
Strong Lead‐Free Bioinspired Piezoceramics for Durable Energy Transducers
Advanced Functional Materials, EarlyView.We fabricated brick‐and‐mortar lead‐free piezoceramics with Bi0.5Na0.5TiO3 monocrystal platelets as bricks and amorphous silica as mortar. The alignment of the bricks and the presence of the amorphous silica led to anisotropic residual stresses. These residual stresses increase the samples toughness, strength and durability while the brick alignment ...
Ruxue Yang +12 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 +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 OphthalmologyAIM: 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
Advanced Functional Materials, EarlyView.A new class of sulfur‐free, oxygen‐bridged dibenzofuran‐based polymers is developed for ultrahigh‐refractive‐index applications. The rigid π‐extended architecture and enhanced molecular polarizability enable exceptional optical performance, combining refractive indices up to 1.848 with high Abbe numbers and full visible transparency. This work offers a
Hend A. Hegazy +5 more
wiley +1 more source
Blindness and visual impairment due to age-related cataract in sub-Saharan Africa: a systematic review of recent population-based studies. [PDF]
, 2013 AIM: We aimed to evaluate age-related cataract as a contributor to blindness and visual impairment (VI) in sub-Saharan Africa (SSA). METHODS: A systematic review of population-based studies published between 2000 and October 2012.
Sherwin, Justin C +2 more
core +1 more source
Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2017 Background and Objectives: Evaluation of anterior corneal surface aberrations according to normal corneal topography is important. In this study, aberrations of corneal anterior surface in eyes with normal topographic pattern, was comparatively ...
Ali Mirzajani +5 more
doaj
Chitin‐Derived Carbon‐Metal Functional Materials
Advanced Functional Materials, EarlyView.Functional carbon materials are synthesized from combination of biopolymer (chitin) and iron precursors. The resultant material exhibits superior surface area and adsorptive properties compared to carbon materials synthesized directly from pure chitin.
Herry Fang +7 more
wiley +1 more source
Disorder‐Broadened Topological Hall Phase and Anomalous Hall Scaling in FeGe
Advanced Functional Materials, EarlyView.By systematically introducing defects into FeGe via ion‐beam modification, we demonstrate that disorder broadens the temperature regime over which the topological Hall effect ‐ a signature of skyrmions or other chiral textures — appears, while also increasing its magnitude.
Chaman Gupta +11 more
wiley +1 more source