Mobile electronic magnification device for people with central vision loss

G Luo, Z Li, E Peli - Investigative Ophthalmology & Visual …, 2011 - iovs.arvojournals.org
Purpose: A head mounted display (HMD) device implementing an on-demand magnification
concept for mobile use by people with central vision loss was proposed. A pilot experiment …

The Jordy electronic magnification device: Opinions, observations, and commentary

B Francis - Journal of Visual Impairment & Blindness, 2005 - journals.sagepub.com
The Jordy electronic magnification device is one of a small number of electronic headborne
devicesdesigned to provide people with low vision the capability to perform nearrange …

Magnifying smartphone screen using google glass for low-vision users

S Pundlik, HQ Yi, R Liu, E Peli… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Magnification is a key accessibility feature used by low-vision smartphone users. However,
small screen size can lead to loss of context and make interaction with magnified displays …

[HTML][HTML] Preliminary evaluation of two digital image processing strategies for head-mounted magnification for low vision patients

AD Deemer, BK Swenor, K Fujiwara… - … vision science & …, 2019 - iovs.arvojournals.org
Purpose: In an observational clinical outcome study, we tested the effectiveness and use of
the combination of two innovative approaches to magnification: a virtual bioptic telescope …

Magnification efficiency in the low vision patient

FI Porter, JL Demer - Low Vision: Principles and Applications Proceedings …, 1987 - Springer
Visual impairment, or the loss of visual acuity and/or visual field due to some pathology of
the eye or brain, afflicts an estimated 6 million people in the United States [1]. In the State of …

Mediated-reality magnification for macular degeneration rehabilitation

A Martin-Gonzalez, K Kotliar… - Journal of Modern …, 2014 - Taylor & Francis
Age-related macular degeneration (AMD) is a gradually progressive eye condition, which is
one of the leading causes of blindness and low vision in the Western world. Prevailing …

Comparative effectiveness between two types of head-mounted magnification modes using a smartphone-based virtual display

R Chun, A Deemer, K Fujiwara… - Optometry and Vision …, 2022 - journals.lww.com
PURPOSE The aim of this study was to conduct a comparative clinical trial evaluating the
effectiveness of two magnification strategies in a head-mounted virtual reality display …

Usage of head-mounted video display (HMD) systems during a comparative study home trial

A Deemer, K Fujiwara, C Bradley… - … & Visual Science, 2020 - iovs.arvojournals.org
Purpose: We are conducting a clinical trial to compare the effectiveness of a virtual bioptic
telescope in an HMD low vision enhancement system with a wide field of view to currently …

Dynamic control of magnified image for low vision observers

RB Goldstein, E Peli, H Apfelbaum… - … & Visual Science, 2002 - iovs.arvojournals.org
Purpose: Magnification is an effective aid for people with conditions causing resolution loss.
However, it inherently restricts the field of view. We have developed a system of magnifying …

Evaluating the image quality of closed circuit television magnification systems versus a head-mounted display for people with low vision

CS Lin, HA Jan, YL Lay, CC Huang… - Assistive Technology, 2014 - Taylor & Francis
In this research, image analysis was used to optimize the visual output of a traditional
Closed Circuit Television (CCTV) magnifying system and a head-mounted display (HMD) for …