Results 21 to 30 of about 6,318 (163)

Ultrasonic Sound Guide System with Eyeglass Device for the Visually Impaired

open access: yesSensors, 2022
The ultrasonic sound guide system presents the audio broadcasting system based on the inaudible ultrasonic sound to assist the indoor and outdoor navigation of the visually impaired.
Kevin Kim, Saea Kim, Anthony Choi
doaj   +1 more source

The eyeglass reversal [PDF]

open access: yesAttention, Perception, & Psychophysics, 2011
Some figures, such as the Necker cube, are spontaneously reversible between alternative percepts. Before learning those skilled reversals, how do people achieve reversals for the very first time? It has been known that, in the case of a first reversal, people can be expected to see the reversal when given specific information about how the figures are ...
openaire   +2 more sources

Infection Risk from Surgeons' Eyeglasses

open access: yesJournal of Orthopaedic Surgery, 2012
Purpose. To assess bacterial contamination of 20 eyeglasses from surgeons. Methods. 40 samples were taken from the nose pad (n=20) and earpiece (n=20) of 20 eyeglasses from orthopaedic surgeons using a sterile swab stick soaked in sterile distilled water.
Umer Butt   +5 more
doaj   +1 more source

The use of audiovisual distraction eyeglasses as a resource in Pediatric dental care: a case series

open access: yesRGO: Revista Gaúcha de Odontologia, 2019
Objective: This study aimed to report a case series on the use of audiovisual distraction eyeglasses in children during dental care. Methods: The influence of the distraction tool on the children’s heart rate frequency and dental care experience was ...
Ítalo Bruno Silveira ALVES   +4 more
doaj   +1 more source

An Explainable Attention Zone Estimation for Level 3 Autonomous Driving

open access: yesIEEE Access, 2023
Accurately assessing the driver’s situational awareness is crucial in level 3 ( $L_{3}$ ) autonomous driving, where the driver is in the loop.
Roksana Yahyaabadi, Soodeh Nikan
doaj   +1 more source

Early Prints Depicting Eyeglasses [PDF]

open access: yesArchives of Ophthalmology, 2002
Much of the history of eyeglasses has been gleaned from studies of paintings and prints that illustrate them. A few prints from the first century of printing include spectacles and are reproduced in this article. In addition to showing their form and method of use, these prints also illustrate their symbolic value.
Charles E, Letocha, John, Dreyfus
openaire   +2 more sources

Safety of eyeglasses wear for visual acuity among middle school students in northwestern rural China: a cluster-randomised controlled trial

open access: yesBMJ Open Ophthalmology, 2020
Objective To assess the effect of free eyeglasses provision on visual acuity among middle school students in northwestern rural China.Methods and analysis Among 31 middle schools randomly selected from 47 middle schools in northwestern rural China ...
Nathan Congdon   +8 more
doaj   +1 more source

The Perception of Spectacles Use Among the General Population in Ha’il Region, Saudi Arabia: A Cross-Sectional Study

open access: yesClinical Ophthalmology, 2023
Nawaf Osaywid Alrashidi,1 Wafy Abdulrahman Albrak,1 Shaker Osaywid Alreshidi,2 Lama Abdulrahman Alaradi,3 Hatim Adam Nagi Adam,3 Naif Mamdouh Alali,4 Faris Hashem,4 Hani Basher Albalawi,4 Ahmed Yousef Alothman,5 Shaima Sulaiman Alharbi2 1College of ...
Alrashidi NO   +9 more
doaj  

A Brief History of Early Silica Glass: Impact on Science and Society

open access: yesSubstantia, 2019
Silicon in the form of silica is the basis of common glass and its uses predate recorded history. The production of synthetic glass, however, is thought to date back to no earlier than 3000 BCE.
Seth C Rasmussen
doaj   +1 more source

Advanced cancer patients in a randomized clinical trial of night-simulating eyeglasses observed to have a normal 24-h circadian rhythm during chemotherapy

open access: yesSAGE Open Medicine, 2022
Objectives: Cancer patients routinely exhibit dysfunctional circadian organization. Indeed, a dysfunctional circadian organization is a hallmark of advanced cancer. A cohort of advanced cancer patients undergoing chemotherapy was recruited to investigate
Keith I Block   +9 more
doaj   +1 more source

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