Ultrasonographic Measurement of the Optic Nerve Sheath Diameter and Its Association With Eyeball Transverse Diameter in 585 Healthy Volunteers [PDF]
Scientific Reports, 2017 The optic nerve sheath diameter (ONSD) is considered as an indirect marker for intracranial pressure (ICP). However, the optimal cut-off value for an abnormal ONSD indicating elevated ICP and its associated factors have been unclear.
Jin-Sun Jun, Ryul Kim
exaly +6 more sources
The growth and shape of the eyeball and crystalline lens in utero documented by fetal MR imaging
Heliyon, 2023 Purpose: To study the growth model, shape, and developmental relationship of lens and eyeball, we used two-dimensional Magnetic Resonance (MR) imaging to investigate gestationally age-related changes in the selected ocular parameters in vivo.
Yingying Hong +4 more
doaj +2 more sources
Computed Tomography Optic Nerve Sheath Diameter-to-Eyeball Transverse Diameter Ratio as a Novel Noninvasive Parameter for Prognostication in Traumatic Brain Injury [PDF]
CureusBackground Traumatic brain injury (TBI) remains a foremost cause of death and disability globally, with elevated intracranial pressure (ICP) being a crucial factor in patient outcomes. While invasive monitoring is the gold standard for assessing ICP, it carries risks and is not always feasible.
Sakthi Ganesh Subramonian
exaly +4 more sources
PLoS ONE, 2019 Few investigators have analyzed fetal ocular growth with Magnetic Resonance Imaging (MRI) of high magnetic strength. Our purpose is to obtain normative biometrics for fetal ocular development in the second trimester of pregnancy.
Zhonghe Zhang +7 more
doaj +2 more sources
A prospective study of transorbital ultrasound multimodal imaging in the detection and evaluation of increased intracranial pressure [PDF]
BMC Medical ImagingBackground To develop and validate a multimodal transorbital ultrasound model for noninvasive detection of increased intracranial pressure (IICP) by integrating anatomical and hemodynamic parameters.
Peng He +6 more
doaj +2 more sources
Gestational age-specific nomograms for fetal eyeball depth and intraocular measurements using 3-D ultrasound. [PDF]
Arch Gynecol ObstetPurpose To establish gestational age-specific nomograms for fetal eyeball anteroposterior (AP) diameter and intraocular measurements (lens AP diameter, vitreous body AP diameter).
Odeh M +5 more
europepmc +2 more sources
Development of the Orbit and Eyeball during the Fetal Period [PDF]
, 2023 Aim: We aimed to investigate the morphometric development of the orbit and eyeball in the fetal period. Material and Methods: The present study was carried out on 136 fetal eyes (86 males, 50 females) obtained from 68 fetuses aged between 15-40 ...
Ahmet DURSUN +14 more
core +1 more source
Optic nerve sheath diameter at high altitude: standardized measures in healthy volunteers
The Ultrasound Journal, 2022 Background Increases in the diameter of the optic nerve sheath (ONSD) on ultrasound are associated with high intracranial pressure (hICP). The normal value varies with altitude and the population studied.
Edith Elianna Rodríguez Aparicio +2 more
doaj +1 more source
Folia Morphologica, 2022 BACKGROUND: Pseudotumor cerebri (PTC) occurs when the pressure inside the skull increases for no obvious reason. The aim of this study was to investigate three different methods: the optic nerve sheath diameter (ONSD) method, ONSD/eyeball transverse ...
T. Ertekin +6 more
doaj +1 more source
Numerical and clinical analysis of an eyeball injuries under direct impact [PDF]
, 2023 Objectives The objective of this study was to develop a numerical model of the eyeball and orbit to simulate a blunt injury to the eyeball leading to its rupture, as well as to conduct a comparative analysis of the results obtained using the finite ...
Lemski, Paweł +13 more
core +1 more source