Results 1 to 10 of about 13,290 (143)

Evaluating the Clinical Validity of Commercially Available Virtual Reality Headsets for Visual Field Testing: A Systematic Review [PDF]

Vision
Virtual reality (VR) technology has emerged as a promising alternative to conventional perimetry for assessing visual fields. However, the clinical validity of commercially available VR-based perimetry devices remains uncertain due to variability in ...
Jesús Vera, Alan N. Glazier, Mark T. Dunbar, Douglas Ripkin, Masoud Nafey   +4 more
doaj   +2 more sources

Remote Perimetry in a Virtual Reality Metaverse Environment for Out-of-Hospital Functional Eye Screening Compared Against the Gold Standard Humphrey Visual Fields Perimeter: Proof-of-Concept Pilot Study

Journal of Medical Internet Research, 2023
BackgroundThe growing global burden of visual impairment necessitates better population eye screening for early detection of eye diseases. However, accessibility to testing is often limited and centralized at in-hospital settings.
Kang-An Wong, Bryan Chin Hou Ang, Dinesh Visva Gunasekeran, Rahat Husain, Joewee Boon, Krishna Vikneson, Zyna Pei Qi Tan, Gavin Siew Wei Tan, Tien Yin Wong, Rupesh Agrawal   +9 more
doaj   +1 more source

Red flags and artifacts in perimetry

Indian Journal of Ophthalmology, 2022
Background: As perimetry is a psychophysical test, the thresholds obtained are not only dependent on the functional architecture of the visual system but also on a variety of physical and cognitive factors.
Tarannum Mansoori
doaj   +1 more source

A survey study on the physiological variations in the field of vision with constitutional types in Ayurveda

Journal of Ayurveda, 2023
Introduction: Ayurveda, the Indian traditional system of medicine, describes a unique concept “Prakriti” (human somatic constitution), categorizing the population into seven subgroups based on phenotypic characters.
Mula Ram Suthar, Rakesh Roushan
doaj   +1 more source

Comparative evaluation of Octopus semi-automated kinetic perimeter with Humphrey and Goldmann perimeters in neuro-ophthalmic disorders

Indian Journal of Ophthalmology, 2021
Purpose: The aim of this study was to compare the performance of Octopus 900(OVF) kinetic module with Goldmann perimeter (GVF) and Humphrey 750i (HVF) perimeters in neuro-ophthalmic disorders.
Karthika Bhaskaran, Swati Phuljhele, Pawan Kumar, Rohit Saxena, Dewang Angmo, Pradeep Sharma   +5 more
doaj   +1 more source

Comparison of the effect of audiovisual and verbal instructions on patient performance while performing automated Humphrey visual field testing

Indian Journal of Ophthalmology, 2023
Purpose: To compare the effect of audiovisual and verbal instructions on patient performance while performing automated Humphrey visual field testing. Methods: This was a prospective study.
Devendra Maheshwari, Aditi Nair, Techi Dodum Tara, Neelam Pawar, Rengappa Ramakrishnan, D Ranitha Guna Selvi, Mohammed Sithiq Uduman   +6 more
doaj   +1 more source

Flicker defined form and RareBit measurements lack in specificity of visual pathways [PDF]

International Journal of Ophthalmology, 2020
"AIM: To evaluate the different visual pathways represented by the Heidelberg Engineering Perimeter flicker defined form and RareBit (magnocellular and parvocellular respectively) in different age-groups and according to the fatigue. METHODS: Totally 64
Justyna Szkudlarek-Wodzińska, Joanna Przeździecka-Dołyk, Olaf Fuchs, Ziemowit Poznański, Marta Misiuk-Hojło   +4 more
doaj   +1 more source

Addressing Glaucoma in Myopic Eyes: Diagnostic and Surgical Challenges

Bioengineering, 2023
Epidemiological and genetic studies provide strong evidence supporting an association between myopia and glaucoma. The accurate detection of glaucoma in myopic eyes, especially those with high myopia, remains clinically challenging due to characteristic ...
Kateki Vinod, Sarwat Salim
doaj   +1 more source

Short-Listing the Program Choice for Perimetry in Neurological Conditions (PoPiN) Using Consensus Methods

British and Irish Orthoptic Journal, 2019
Background: Neurological conditions frequently cause visual field loss, commonly resulting in perimetry requests for suspected or known conditions. Currently there are no national guidelines for perimetry in neurological conditions.
Lauren Hepworth, Fiona Rowe
doaj   +1 more source

Provocative Tests, Functional Exams and Daily Curve of Intraocular Pressure in Glaucoma Suspects

Vision Pan-America, 2012
Objective: To assess sensibility and specificity, positive and negative predictive values and probability of false-positive and false-negative of the water-drinking test, ibopamine test, frequency doubling perimetry, short-wave automated perimetry and ...
Sebastião Cronemberger, Nassim Calixto, Hélio M Vieira Filho, Tiago T Souza, Camila A Souza, Roberto A Gomes   +5 more
doaj   +1 more source