Beneficial effects of spatial remapping for reading with simulated central field loss

Anshul Gupta; Juraj Mesik; Stephen A. Engel; Rebecca Smith; Mark Schatza; Aurélie Calabrèse; Frederik J. Van Kuijk; Arthur G. Erdman; Gordon E. Legge

doi:10.1167/iovs.16-21404

Beneficial effects of spatial remapping for reading with simulated central field loss

Anshul Gupta, Juraj Mesik, Stephen A. Engel, Rebecca Smith, Mark Schatza, Aurélie Calabrèse, Frederik J. Van Kuijk, Arthur G. Erdman, Gordon E. Legge

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

PURPOSE. People with central field loss (CFL) lose information in the scotomatous region. Remapping is a method to modify images to present the missing information outside the scotoma. This study tested the hypothesis that remapping improves reading performance for subjects with simulated CFL. METHODS. Circular central scotomas, with diameters ranging from 48 to 168, were simulated in normally sighted subjects using an eye tracker on either a head-mounted display (HMD) (experiments 1, 2) or a traditional monitor (experiment 3). In the three experiments, reading speed was measured for groups of 7, 11, and 13 subjects with and without remapping of text. RESULTS. Remapping increased reading speed in all three experiments. On the traditional monitor, it increased reading speed by 34% (88), 38% (128), and 35% (168). In the two HMD experiments, remapping increased reading speed only for the largest scotoma size, possibly due to latency of updating of the simulated scotoma. CONCLUSIONS. Remapping significantly increased reading speed in simulated CFL subjects. Additional testing should examine the efficacy of remapping for reading and other visual tasks for patients with advanced CFL.

Original language	English (US)
Pages (from-to)	1105-1112
Number of pages	8
Journal	Investigative Ophthalmology and Visual Science
Volume	59
Issue number	2
DOIs	https://doi.org/10.1167/iovs.16-21404
State	Published - Feb 2018

Bibliographical note

Funding Information:
The authors thank Jacob Sanders for assistance with testing of subjects, and Eric Victorson for his work on the remapping algorithm. The authors also thank the late John Wold of Casper, Wyoming, for encouraging this work initially. Supported by National Institutes of Health Grant EY002934, a Research to Prevent Blindness unrestricted grant to the University of Minnesota, an anonymous benefactor for macular degeneration research, a gift from Rodney and Shari Erickson in memory of Jerry Erickson, and by the Center for Applied and Translational Sensory Science at the University of Minnesota.

Publisher Copyright:
© 2018 The Authors.

Keywords

Eye tracking
Head mounted display
Macular degeneration
Remapping
Simulated scotoma

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10.1167/iovs.16-21404

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5830989

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@article{b45cbc3e397a4cecb908c67aee4a8ca8,

title = "Beneficial effects of spatial remapping for reading with simulated central field loss",

abstract = "PURPOSE. People with central field loss (CFL) lose information in the scotomatous region. Remapping is a method to modify images to present the missing information outside the scotoma. This study tested the hypothesis that remapping improves reading performance for subjects with simulated CFL. METHODS. Circular central scotomas, with diameters ranging from 48 to 168, were simulated in normally sighted subjects using an eye tracker on either a head-mounted display (HMD) (experiments 1, 2) or a traditional monitor (experiment 3). In the three experiments, reading speed was measured for groups of 7, 11, and 13 subjects with and without remapping of text. RESULTS. Remapping increased reading speed in all three experiments. On the traditional monitor, it increased reading speed by 34% (88), 38% (128), and 35% (168). In the two HMD experiments, remapping increased reading speed only for the largest scotoma size, possibly due to latency of updating of the simulated scotoma. CONCLUSIONS. Remapping significantly increased reading speed in simulated CFL subjects. Additional testing should examine the efficacy of remapping for reading and other visual tasks for patients with advanced CFL.",

keywords = "Eye tracking, Head mounted display, Macular degeneration, Remapping, Simulated scotoma",

author = "Anshul Gupta and Juraj Mesik and Engel, {Stephen A.} and Rebecca Smith and Mark Schatza and Aur{\'e}lie Calabr{\`e}se and {Van Kuijk}, {Frederik J.} and Erdman, {Arthur G.} and Legge, {Gordon E.}",

note = "Funding Information: The authors thank Jacob Sanders for assistance with testing of subjects, and Eric Victorson for his work on the remapping algorithm. The authors also thank the late John Wold of Casper, Wyoming, for encouraging this work initially. Supported by National Institutes of Health Grant EY002934, a Research to Prevent Blindness unrestricted grant to the University of Minnesota, an anonymous benefactor for macular degeneration research, a gift from Rodney and Shari Erickson in memory of Jerry Erickson, and by the Center for Applied and Translational Sensory Science at the University of Minnesota. Publisher Copyright: {\textcopyright} 2018 The Authors.",

year = "2018",

month = feb,

doi = "10.1167/iovs.16-21404",

language = "English (US)",

volume = "59",

pages = "1105--1112",

journal = "Investigative Ophthalmology and Visual Science",

issn = "0146-0404",

publisher = "Association for Research in Vision and Ophthalmology Inc.",

number = "2",

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T1 - Beneficial effects of spatial remapping for reading with simulated central field loss

AU - Gupta, Anshul

AU - Mesik, Juraj

AU - Engel, Stephen A.

AU - Smith, Rebecca

AU - Schatza, Mark

AU - Calabrèse, Aurélie

AU - Van Kuijk, Frederik J.

AU - Erdman, Arthur G.

AU - Legge, Gordon E.

N1 - Funding Information: The authors thank Jacob Sanders for assistance with testing of subjects, and Eric Victorson for his work on the remapping algorithm. The authors also thank the late John Wold of Casper, Wyoming, for encouraging this work initially. Supported by National Institutes of Health Grant EY002934, a Research to Prevent Blindness unrestricted grant to the University of Minnesota, an anonymous benefactor for macular degeneration research, a gift from Rodney and Shari Erickson in memory of Jerry Erickson, and by the Center for Applied and Translational Sensory Science at the University of Minnesota. Publisher Copyright: © 2018 The Authors.

PY - 2018/2

Y1 - 2018/2

N2 - PURPOSE. People with central field loss (CFL) lose information in the scotomatous region. Remapping is a method to modify images to present the missing information outside the scotoma. This study tested the hypothesis that remapping improves reading performance for subjects with simulated CFL. METHODS. Circular central scotomas, with diameters ranging from 48 to 168, were simulated in normally sighted subjects using an eye tracker on either a head-mounted display (HMD) (experiments 1, 2) or a traditional monitor (experiment 3). In the three experiments, reading speed was measured for groups of 7, 11, and 13 subjects with and without remapping of text. RESULTS. Remapping increased reading speed in all three experiments. On the traditional monitor, it increased reading speed by 34% (88), 38% (128), and 35% (168). In the two HMD experiments, remapping increased reading speed only for the largest scotoma size, possibly due to latency of updating of the simulated scotoma. CONCLUSIONS. Remapping significantly increased reading speed in simulated CFL subjects. Additional testing should examine the efficacy of remapping for reading and other visual tasks for patients with advanced CFL.

AB - PURPOSE. People with central field loss (CFL) lose information in the scotomatous region. Remapping is a method to modify images to present the missing information outside the scotoma. This study tested the hypothesis that remapping improves reading performance for subjects with simulated CFL. METHODS. Circular central scotomas, with diameters ranging from 48 to 168, were simulated in normally sighted subjects using an eye tracker on either a head-mounted display (HMD) (experiments 1, 2) or a traditional monitor (experiment 3). In the three experiments, reading speed was measured for groups of 7, 11, and 13 subjects with and without remapping of text. RESULTS. Remapping increased reading speed in all three experiments. On the traditional monitor, it increased reading speed by 34% (88), 38% (128), and 35% (168). In the two HMD experiments, remapping increased reading speed only for the largest scotoma size, possibly due to latency of updating of the simulated scotoma. CONCLUSIONS. Remapping significantly increased reading speed in simulated CFL subjects. Additional testing should examine the efficacy of remapping for reading and other visual tasks for patients with advanced CFL.

KW - Eye tracking

KW - Head mounted display

KW - Macular degeneration

KW - Remapping

KW - Simulated scotoma

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SN - 0146-0404

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JO - Investigative Ophthalmology and Visual Science

JF - Investigative Ophthalmology and Visual Science

IS - 2

ER -

Beneficial effects of spatial remapping for reading with simulated central field loss

Abstract

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