A peer-reviewed quarterly publication dedicated to professional education for optometrists, vision scientists, occupational therapists, ophthalmologists and other low vision practitioners.
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Visibility (ISSN 2330-0965 – Print) (ISSN 2330-0973 – Online) is published quarterly by Envision University, 610 N. Main Wichita, KS 67203 (316) 440-1515 http://www.envisionuniversity.org (opens in new window) Copyright © 2022 Envision University. Individual articles are Copyright © 2022 of the indicated authors, printed with permission. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording or any information storage or retrieval system, without written permission of Envision University.
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Age-related macular degeneration (AMD) is a chronic eye condition that leads to permanent vision loss in the central visual field. AMD makes reading challenging and inefficient. People with AMD often find it difficult to access, process and understand written patient education materials (PEMs). To promote health literacy, the demands of written PEMs must match the literacy capacities of the target audience. This study aims to evaluate the readability (grade level) and suitability (appropriateness) of online PEMs designed for people with AMD.
Electronic medical records of patients seen in the Ophthalmology clinics of one major academic medical center over the course of 6 years were reviewed to ascertain the rate of referrals among those patients who qualified for low vision rehabilitation, both before (2014-2016) and after (2017-2019) the establishment of a low vision program within that institution. Data including type of clinic the patient was seen in, visual acuity, and whether the patient followed through with low vision services.
Existing research on health literacy identifies a disconnect between the readability of patient education materials (PEMs) and the reading abilities of American adults. For people with age-related macular degeneration (AMD), central vision loss creates an additional barrier to health literacy. This study explored how evidence-based guidelines for creating easy-to-understand written materials influenced the usability of PEMs in people with AMD.
Accurate judgments of direction and distance are important for safe mobility. For people with vision or hearing impairment, it is important to optimally utilize their residual vision and hearing in such activities. Here we asked how people with various combinations of vision and hearing impairment integrate their residual vision and hearing in judging direction and distance.
Egocentric perception of straight-ahead is an important internal reference for spatial orientation. For people with sensory impairment who receive reduced external sensory input, such internal reference may affect mobility and judgments of spatial layout. This study investigates the impacts of vision and hearing impairment on the perception of egocentric straight-ahead and the relationship to real-life tasks such as walking without veering.
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