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| http://dx.doi.org/10.1148/radiol.2021210649 | DOI Listing |
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Assessment of the Accuracy of Ultrasonographically Measured Optic Nerve Sheath Diameter as a Surrogate for the Detection of Intracranial Hypertension Compared to Optic Nerve Sheath Diameter Measured by MRI: A Prospective Observational Study.
Cureus
December 2024
Anaesthesiology and Critical Care, Postgraduate Institute of Medical Education and Research, Chandigarh, IND.
Background: Ultrasonographic measurement of optic nerve sheath diameter (ONSD) has been proposed as a non-invasive, bedside method to detect raised intracranial pressure (ICP) in various clinical settings. We aimed to correlate the ONSD obtained by ultrasonography (USG) with the ONSD obtained by magnetic resonance imaging (MRI) and to find its measurement accuracy.
Methodology: A prospective double-blind study was carried out by performing ocular ultrasounds on 32 patients with clinical features of intracranial hypertension.
Automated Quantitative Assessment of Retinal Vascular Tortuosity in Patients with Sickle Cell Disease.
Ophthalmol Sci
November 2024
Viterbi Family Department of Ophthalmology, Shiley Eye Institute, University of California, San Diego, La Jolla, California.
Objective: To quantitatively assess the retinal vascular tortuosity of patients with sickle cell disease (SCD) and retinopathy (SCR) using an automated deep learning (DL)-based pipeline.
Design: Cross-sectional study.
Subjects: Patients diagnosed with SCD and screened for SCR at an academic eye center between January 2015 and November 2022 were identified using electronic health records.
Background: Orthokeratology (OK) contact lenses are increasingly prescribed for myopia control but their impact on corneal epithelial immune cells (CEIC) is unclear. This study compares CEIC in OK wearers to soft contact lens (SCL) wearers and non-wearers.
Methods: In vivo confocal microscope images at the corneal central and mid-peripheral subbasal level were evaluated in 18 OK wearers, 18 SCL wearers and 18 non-wearers (mean age 27.
Engineering biocompatible carbon dots nano-enzymes hydrogel for efficient antioxidative and anti-inflammatory treatment of dry eye disease.
J Control Release
January 2025
Guangdong Provincial Engineering Research Center of Molecular Imaging, Guangdong-Hong Kong-Macao University Joint Laboratory of Interventional Medicine, The Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai, Guangdong, China; Zhuhai Hospital of Integrated Traditional Chinese & Western Medicine, Zhuhai, Guangdong, China. Electronic address:
Dry eye disease (DED) is a complex and multifactorial ocular surface disease. Reactive oxygen species (ROS) are of pivotal importance in the inflammatory processes and biological dysfunction associated with DED. In this study, an injectable hydrogel, designated as OHACDgel, was created by combining oxidized HA-containing aldehyde groups (OHA) and gelation (gel) via dynamic covalent linkages of the hydrazine bonds, is employed as the carrier, while polyethylene imine-functionalized carbon dots (PEI-CD) can form dynamic chemical bonds with the hydrogel, thus prolonging the retention time of the ocular.
View Article and Find Full Text PDFPutting the Puzzle Together: Case Report of Parinaud Syndrome in a Pediatric Patient.
J Binocul Vis Ocul Motil
January 2025
Department of Ophthalmology, Vanderbilt Eye Institute, Nashville, Tennessee.
Parinaud syndrome, also known as dorsal midbrain syndrome, is a condition affecting the dorsal midbrain region of the brainstem that presents with a triad of ophthalmic clinical findings, including upgaze paresis, convergence retraction nystagmus, and light-near dissociation. This case report will discuss the clinical presentation of Parinaud syndrome in a four-year-old patient who was seen in an out-patient clinic for intermittent exotropia 5 months after a suboccipital craniotomy resection of a pineal mass and ventriculoperitoneal (VP) shunt placement for associated hydrocephalus. Current literature is relatively sparse regarding the presentation of Parinaud syndrome in the pediatric population, with little known about prognosis and potential for recovery.
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