Results 71 to 80 of about 2,800 (230)

Choroidal hyper-reflective foci and vascularity in retinal dystrophy

Indian Journal of Ophthalmology, 2020
Purpose: To investigate choroidal hyper-reflective foci (HRF) in subjects with retinal dystrophy [Stargardt's disease (SGD) and retinitis pigmentosa (RP)] and their association with demographics, visual acuity, choroidal thickness (CT), and choroidal ...
Daren Hanumunthadu, Mohammed Abdul Rasheed, Abhilash Goud, Arushi Gupta, Kiran Kumar Vupparaboina, Jay Chhablani   +5 more
doaj   +1 more source

Metamaterial Antennas Enhance MRI of the Eye and Occipital Brain

Advanced Materials, EarlyView.
A radiofrequency antenna platform comprising planar and bend configurations is developed, incorporating structurally integrated epsilon‐negative metamaterial unit cells to enhance MRI. These antennas enable high‐resolution in vivo human MRI of the eye, orbit, and occipital brain. Comprehensive validation, including simulations, phantom experiments, SAR,
Nandita Saha, Bilguun Nurzed, Mostafa Berangi, Andre Kuehne, Helmar Waiczies, Igor Fabian Tellez Ceja, Xiang Hu, Thomas Gladytz, Lisa Krenz, Dave Huebler, Beate Endemann, Claudia Brockmann, Ebba Beller, Oliver Stachs, Thoralf Niendorf   +14 more
wiley   +1 more source

Choroidal vascularity index as a biomarker of systemic inflammation in childhood Polyarteritis Nodosa and adenosine deaminase-2 deficiency

Pediatric Rheumatology Online Journal, 2020
Background/purpose To assess EDI-OCT (enhanced depth imaging optical coherence tomography) of choroid for inflammatory signs in children with polyarteritis nodosa (PAN) and adenosine deaminase-2 deficiency (DADA-2).
Ata BAYTAROĞLU, Sibel KADAYIFÇILAR, Abdullah AĞIN, Özge DELİKTAŞ, Selcan DEMİR, Yelda BİLGİNER, Jale KARAKAYA, Seza ÖZEN, Bora ELDEM   +8 more
doaj   +1 more source

Therapeutic Gases in Biomedicine: Updates on Nitric Oxide and Beyond

Advanced Science, EarlyView.
Therapeutic gases, including NO, CO, H2S, H2, CO2, O2, and Xe, play vital roles in cellular signaling and repair. This review highlights the emerging carriers and delivery systems that enable controlled, localized gas release for diagnostic and therapeutic applications.
Syed Muntazir Andrabi, Navatha Shree Sharma, Imran Ibn Gani Rather, S. M. Shatil Shahriar, Jingwei Xie   +4 more
wiley   +1 more source

Microrobotic Catheterization of the Ophthalmic Artery for Targeted Treatment of Retinoblastoma

Advanced Intelligent Systems, EarlyView.
A microrobotic platform is presented that allows teleoperated and autonomous navigation of flow‐driven magnetic microcatheters, MagFlow, into the ophthalmic artery for superselective intra‐arterial infusion of chemotherapy to treat retinoblastoma. Extensive benchtop validations with patient‐derived biomimetic phantoms under optical and fluoroscopic ...
Artur Banach, Mehdi Krichen, Julian Raub, Christina Stathopoulos, Bruno Bartolini, Mahmut Selman Sakar   +5 more
wiley   +1 more source

Differentiating the Clinical and Variant Spectrum of Hardikar Syndrome From Other MED12‐Related Developmental Disorders

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT The rare X‐linked female‐restricted Hardikar syndrome (HDKR, OMIM # 301068) is characterized by multiple congenital anomalies including orofacial clefts, gastrointestinal, genitourinary, and cardiac anomalies, but cognitive and neurobehavioral development is rarely impaired.
Tinne Warmoeskerken, Miel Theunis, Kris Van den Bogaert, Koenraad Devriendt, Jeroen Breckpot   +4 more
wiley   +1 more source

Choroidal structural changes correlate with neovascular activity in neovascular age related macular degeneration [PDF]

, 2018
PURPOSE. To correlate changes in choroidal thickness and vascularity index with disease activity in patients with neovascular age-related macular degeneration (nAMD). METHODS.
A. Invernizzi, E. Benatti, F. Viola, G. Staurenghi, J. Chhablani, K.K. Vupparaboina, M. Cozzi, M. Gillies, S. Erba, S. Vaishnavi   +9 more
core   +1 more source

Nanostructured drug delivery systems for posterior segment eye diseases: Strategies to defy ocular barriers

BMEMat, EarlyView.
Efficient drug delivery to the posterior segment of the eye has long been a challenging issue due to the complex ocular barriers. The review focuses on the promise held by nanoplatforms for barrier penetration and the key mechanisms involved, also highlighting their advantages in achieving efficient drug delivery and superior treatment of PSEDs ...
Yifan Shen, Ying Yao, Yan Zhang, Xinyu Shi, Ling Bai, Yang Zhong, Yan Zhang, Kun Zhang   +7 more
wiley   +1 more source

Retinal and choroidal changes in steroid-associated central serous chorioretinopathy

International Journal of Retina and Vitreous, 2018
Background To evaluate the retinal and choroidal alterations in steroid-associated central serous chorioretinopathy (CSC) in comparison to idiopathic CSC. Methods In this retrospective cohort study, swept source optical coherence tomography scans of eyes
Vikas Ambiya, Abhilash Goud, Mohammed Abdul Rasheed, Sankeert Gangakhedkar, Kiran Kumar Vupparaboina, Jay Chhablani   +5 more
doaj   +1 more source

Fuchs Heterochromic Iridocyclitis-Associated Glaucoma: A Retrospective Comparison of Primary Ahmed Glaucoma Valve implantation and Trabeculectomy with MMC [PDF]

, 2017
Purpose: To compare the safety and efficacy of a primary trabeculectomy with mitomycin C (T) and an Ahmed glaucoma valve (AGV) implantation in patients with Fuchs heterochromic iridocyclitis (FHIC) related glaucoma, a rare complication of an uncommon ...
Esfandiari, Hamed, Fatourechi, A, Hassanpour, Kiana, Loewen, Nils A., Pakravan, Mohammad, Yaseri, M, Yazdani, S   +6 more
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