Results 41 to 50 of about 21,086 (303)

Age and Sex Variation in the Duration of Action and Corneal Touch Threshold (CTT) following Instillation of 0.5% Topical Ophthalmic Proparacaine and Tetracaine Hydrochlorides

Journal of Ophthalmology, 2021
Purpose. We investigated the effect of age and sex on corneal touch threshold (CTT) and duration of action following administration of 0.5% topical ophthalmic proparacaine and tetracaine hydrochlorides. Methods. A prospective, randomized, subject-masked,
Samuel Kyei, Nana Yaw Abaka Dadzie, Ebenezer Zaabaar, Kwasi Antwi Asamoah Dwomoh, Kofi Asiedu   +4 more
doaj   +1 more source

Vision-Based Eye Image Classification for Ophthalmic Measurement Systems

Sensors, 2022
The accuracy and the overall performances of ophthalmic instrumentation, where specific analysis of eye images is involved, can be negatively influenced by invalid or incorrect frames acquired during everyday measurements of unaware or non-collaborative ...
Giovanni Gibertoni, Guido Borghi, Luigi Rovati   +2 more
doaj   +1 more source

Methotrexate‐Loaded Liposomal Formulation Enables 6‐Week Sustained Intraocular Therapeutic Drug Release in a Porcine Model

Advanced Healthcare Materials, EarlyView.
A liposomal formulation for methotrexate enables minimally invasive, sustained intraocular drug delivery for over six weeks with a single injection. Developed for treating intraocular diseases like lymphoma and PVR, it offers excellent biocompatibility in vivo in a porcine model.
Maximilian Hammer, Lea Skrzypczyk, Sabrina Wohlfart, Bryan Calder Ackermann, Ludwig Geisweid, Simon William Pohl, Margarita Karaivanova, Jonathan Herth, Victor Aristide Augustin, Alexander Studier‐Fischer, Tina Sackmann, Leon Kaulen, Anna Steyer, Walter Mier, David H Steel, Kanmin Xue, Gerd Uwe Auffarth, Philipp Uhl   +17 more
wiley   +1 more source

Multifunctional Neural Probes Enable Bidirectional Electrical, Optical, and Chemical Recording and Stimulation In Vivo

Advanced Materials, EarlyView.
Convergence drawing is used to create flexible, microscale, multifunctional fiber‐based neural probes. Optimized materials selection enables individual devices to perform neural recording, electrical stimulation, optogenetics, fiber photometry, fluid delivery, and voltammetric neurotransmitter detection in rodents.
Nicolette Driscoll, Marc‐Joseph Antonini, Taylor M. Cannon, Pema Maretich, Greatness Olaitan, Valerie Doan Phi Van, Keisuke Nagao, Atharva Sahasrabudhe, Emmanuel Vargas Paniagua, Ethan J. Frey, Ye Ji Kim, Sydney Hunt, Melissa Hummel, Sanju Mupparaju, Alan Jasanoff, B. Jill Venton, Polina Anikeeva   +16 more
wiley   +1 more source

Photonic Nanomaterials for Wearable Health Solutions

Advanced Materials, EarlyView.
This review discusses the fundamentals and applications of photonic nanomaterials in wearable health technologies. It covers light‐matter interactions, synthesis, and functionalization strategies, device assembly, and sensing capabilities. Applications include skin patches and contact lenses for diagnostics and therapy. Future perspectives emphasize AI‐
Taewoong Park, Jung Woo Leem, Young L. Kim, Chi Hwan Lee   +3 more
wiley   +1 more source

Retinal Scans and Data Sharing: The Privacy and Scientific Development Equilibrium

Mayo Clinic Proceedings: Digital Health, 2023
In ophthalmology, extensive use of ancillary imaging has enabled the development of artificial intelligence models, for which data are crucial. A data-sharing environment promotes external validation, collaborative research, and bias assessment before ...
Luis Filipe Nakayama, MD, João Carlos Ramos Gonçalves de Matos, BSc, Isabelle Ursula Stewart, BSc, William Greig Mitchell, MBBS, MPH, Nicole Martinez-Martin, JD, PhD, Caio Vinicius Saito Regatieri, MD, PhD, Leo Anthony Celi, MD, MPH   +6 more
doaj   +1 more source

TriMag Microrobots: 3D‐Printed Microrobots for Magnetic Actuation, Imaging, and Hyperthermia

Advanced Materials, EarlyView.
TriMag microrobots are two‐photon polymerized hydrogel structures embedded with in situ synthesized Fe3O4 and CoFe2O4 nanoparticles, enabling magnetic actuation, high‐resolution magnetic particle imaging (MPI), and efficient magnetothermal heating for deep‐tissue biomedical interventions including tracking, navigation, and tumor ablation.
Liuxi Xing, Yulu Cai, Yapei Zhang, Kevin Mozel, Zhengxu Tang, Tengteng Tang, Vittorio Mottini, Saumya Nigam, Bryan R. Smith, Ian Y Lee, Tavarekere N. Nagaraja, Ping Wang, Xiangjia Li, Tong Gao, Jinxing Li   +14 more
wiley   +1 more source

Effectiveness of autologous serum eye drops in the treatment of corneoconjunctival burns

Revista Electrónica Dr. Zoilo E. Marinello Vidaurreta, 2019
Background: ocular burns are a health problem since they have a relevant place in the ophthalmological practice.Objective: to assess the effectiveness of 50 % autologous serum eye drops combined with the conventional treatment of corneoconjunctival burns
Yanier Serrano-García, Alena de los Ángeles Vejerano-Duany, María Del Carmen González-Fernández, Leonor Gallardo-Roca, Taimi Miranda-Vergara   +4 more
doaj  

Stability Evaluation of Extemporaneously Compounded Vancomycin Ophthalmic Drops: Effect of Solvents and Storage Conditions

Pharmaceutics, 2021
Vancomycin is the drug of choice for methicillin-resistant Staphylococcus aureus keratitis and other ocular infections. Vancomycin ophthalmic drops are not commercially available and require compounding.
Christopher Ross, Basir Syed, Joanna Pak, Vishal Jhanji, Jason Yamaki, Ajay Sharma   +5 more
doaj   +1 more source

Smart Electrochromic Devices for Wearables

Advanced Materials Technologies, EarlyView.
This article reviews the recent progress of smart electrochromic devices in the field of intelligent wearable devices. Serving as displays, dimmers, energy‐saving and energy storage devices, and temperature management components, electrochromic devices have broad prospects in flexible displays, human–computer interaction, and personalized ...
Mengjie Zhu, Bing Xu, Tongzhuang He, Abdulhakem Y. Elezzabi, Wu Zhang, William W. Yu, Jingwei Chen   +6 more
wiley   +1 more source