Results 81 to 90 of about 24,715 (172)

Transient crystalline lens deposits following the insertion of a phakic sulcus-fixated collamer intraocular lens in a hyperopic eye

open access: yesAmerican Journal of Ophthalmology Case Reports, 2020
Purpose: The purpose of this study was to report crystalline lens deposit formation following ICL implantation for the correction of hyperopia. Observations: A 23-year-old male presented at the American University of Beirut Medical Center in 2008 seeking
Lama El Khatib   +4 more
doaj  

Photonic Nanomaterials for Wearable Health Solutions

open access: yesAdvanced 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   +3 more
wiley   +1 more source

Cation and water transport during maturation of cortical cataract

open access: yesIndian Journal of Ophthalmology, 1988
Water, electrolyte and free amino acid content of the crystalline lens were estimated in patients with nuclear cataract and in immature, mature and hypermature cortical cataract groups.
Khurana A   +4 more
doaj  

Research progress of lens zonules

open access: yesAdvances in Ophthalmology Practice and Research, 2023
Background: The lens zonule, a circumferential system of fibres connecting the ciliary body to the lens, is responsible for centration of the lens.
Yingying Pan, Zhaoqiang Liu, Han Zhang
doaj  

Scalable Lithium Niobate Nanoimprinting for Nonlinear Metalenses

open access: yesAdvanced Materials, EarlyView.
A broadband polycrystalline lithium niobate platform is developed for highly versatile and scalable fabrication of nonlinear metasurfaces. This work demonstrates simultaneous second harmonic generation and wavefront‐shaping via a metalens on this platform.
Ülle‐Linda Talts   +3 more
wiley   +1 more source

Advancements in Carbon‐Based Piezoelectric Materials: Mechanism, Classification, and Applications in Energy Science

open access: yesAdvanced Materials, EarlyView.
Carbon‐based piezoelectric materials are systematically categorized based on their structural and functional properties. The mechanisms of stress‐induced charge transfer are elucidated, and their applications are explored across three key domains: piezoelectric catalysis for energy conversion and environmental remediation, piezoelectric biomedical ...
Mude Zhu   +3 more
wiley   +1 more source

Materials Advances in Devices for Heart Disease Interventions

open access: yesAdvanced Materials, EarlyView.
This review examines the crucial role of materials in heart disease interventions, focusing on strategies for monitoring, managing, and repairing heart conditions. It discusses the material requirements for medical devices, highlighting recent innovations and their impact on cardiovascular health.
Gagan K. Jalandhra   +11 more
wiley   +1 more source

DNA‑Directed Assembly of Photonic Nanomaterials for Diagnostic and Therapeutic Applications

open access: yesAdvanced Materials, EarlyView.
DNA‐directed assembly offers a powerful strategy for constructing structured photonic nanomaterials with precise spatial control. This review provides a comprehensive overview of recent advancements in DNA‐assembled photonic nanomaterials for diagnostics and therapeutics, highlighting key design principles, functionalization strategies, and optical ...
Longjiang Ding   +5 more
wiley   +1 more source

Next‐Generation Image Sensors Based on Low‐Dimensional Semiconductor Materials

open access: yesAdvanced Materials, EarlyView.
Low‐dimensional semiconductor materials are promising candidates for photosensitive components in next‐generation image sensors. This review offers a thorough and timely examination of novel image sensors, covering their working principles, intriguing materials categorized into four main groups, and advanced imaging applications.
Yunxia Hu   +3 more
wiley   +1 more source

Results of cataract surgery in patients at the 0phthalmology Center of Las Tunas

open access: yesRevista Electrónica Dr. Zoilo E. Marinello Vidaurreta, 2016
Background: cataract is one of the leading causes of preventable blindness in the world. Thanks to "Operación Milagro", this surgery is offered free in Cuba, despite its high cost.Objective: to describe the results got in patients who underwent cataract ...
Jorge Pérez Martínez   +2 more
doaj  

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