Visibility

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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Education and research delivered right to your inbox! Have the opportunity for correspondence CEs while receiving the latest in low vision clinical and research findings. Article categories include:

  • Clinical Practice
  • Disease etiology and diagnosis
  • Research: reviews and abstracts
  • Case studies
  • Practice management issues
  • Technology updates

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 © 2021 Envision University. Individual articles are Copyright © 2021 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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Articles


Visibility 15 Issue 4, 2021

Assessment of online patient education materials designed for people with age-related macular degeneration

Jennifer Fortuna, PhD, OTR/L; Linda Shuster, PhD, CCC-SLP, F-ASHA; Anne Riddering, PhD, OTR/L, CLVT, COMS; Cassie Lopez-Jeng, PhD, MPH, CPH, CHES

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.


Visibility 15 Issue 4, 2021

Minding the Gap: Determining Causes for Missed Low Vision Referrals to Develop a Streamlined, Sustainable Low Vision Rehabilitation System in Wisconsin

Katherine Dalzotto MD; Mark Banghart MS; Christina Thomas-Virnig PhD; Sanbrita Mondal OD

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.


Visibility 15 Issue 4, 2021

Assessment of Modified Patient Education Materials for People with Age-Related Macular Degeneration

Jennifer Fortuna, PhD, OTR/L; Linda Shuster, PhD, CCC-SLP, F-ASHA; Anne Riddering, PhD, OTR/L, CLVT, COMS; Cassie Lopez-Jeng, PhD; MPH, CPH, CHES

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.


Visibility 15 Issue 4, 2021

Estimates of Direction and Distance by People with Vision and Hearing impairment

Ying-Zi Xiong, PhD; Diamond Brunt; Gordon E. Legge, PhD

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.


Visibility 15 Issue 4, 2021

Impacts of vision and hearing impairment on egocentric straight-ahead

Diamond Brunt; Ying-Zi Xiong, PhD; Gordon E. Legge, PhD

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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