A STUDY ON REFORMATION OF SCREEN MAGNIFIER FUNCTION FOR DISABLED PERSONS WITH LOW VISION

Many people with low vision rely on screen-magnifier assistive technology to interact with productivity applications such as word processors, spreadsheets, and presentation software. Despite the importance of these applications, little is known about their usability with respect to low-vision screen-magnifier users. To fill this knowledge gap, we conducted a usability study with 10 low-vision participants having different eye conditions. In this study, we observed that most usability issues were predominantly due to high spatial separation between main edit area and command ribbons on the screen, as well as the wide span grid-layout of command ribbons; these two GUI aspects did not gel with the screen-magnifier interface due to lack of instantaneous WYSIWYG (What You See Is What You Get) feedback after applying commands, given that the participants could only view a portion of the screen at any time. Informed by the study findings, we developed MagPro, an augmentation to productivity applications, which significantly improves usability by not only bringing application commands as close as possible to the user's current viewport focus, but also enabling easy and straightforward exploration of these commands using simple mouse actions. A user study with nine participants revealed that MagPro significantly reduced the time and workload to do routine command-access tasks, compared to using the state-of-the-art screen magnifier.

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Mobile Text Reader for People with Low Vision

Jurnal Teknologi ◽

10.11113/jt.v74.4654 ◽

2015 ◽

Vol 74 (6) ◽

Author(s):

Teng Ren Sin ◽

Eileen Su Lee Ming ◽

Yeong Che Fai ◽

Ong Jian Fu ◽

Sim Yang Shane

Keyword(s):

Mobile Application ◽

Character Recognition ◽

Optical Character Recognition ◽

Reading Ability ◽

Low Vision ◽

Image Stitching ◽

Text To Speech ◽

Composite Image ◽

Text Information ◽

Screen Magnifier

People with low vision have visual acuity less than 6/18 and at least 3/60 in the better eye, with correction. The limited vision requires them to enhance their reading ability using magnifying glass or electronic screen magnifier. However, people with severe low vision have difficulty and suffer fatigue from using such assistive tool. This paper presents the development of a mobile text reader dedicated for people with low vision. The mobile text reader is developed as a mobile application that allows user to capture an image of texts and then translate the texts into audio format. One main contribution of this work compared to typical optical character recognition (OCR) engines or text-to-speech engines is the addition of image stitching feature. The image stitching feature can produce one single image from multiple poorly aligned images, and is integrated into the process of image acquisition. Either single or composite image is subsequently uploaded to a cloud-based OCR engine for robust character recognition. Eventually, a text-to-speech (TTS) synthesizer reproduces the word recognized in a natural-sounding speech. The whole series of computation is implemented as a mobile application to be run from a smartphone, allowing the visual impaired to access text information independently.

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Towards making videos accessible for low vision screen magnifier users

Proceedings of the 25th International Conference on Intelligent User Interfaces ◽

10.1145/3377325.3377494 ◽

2020 ◽

Cited By ~ 2

Author(s):

Ali Selman Aydin ◽

Shirin Feiz ◽

Vikas Ashok ◽

IV Ramakrishnan

Keyword(s):

Low Vision ◽

Screen Magnifier

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Causes and Five-Year Proportion of New Irreversible Visual Impairment in Jinshan District, Shanghai, from 2009–2018

Journal of Ophthalmology ◽

10.1155/2021/8873283 ◽

2021 ◽

Vol 2021 ◽

pp. 1-6

Author(s):

Tao Li ◽

Xiaodong Zhou

Keyword(s):

Visual Impairment ◽

Macular Degeneration ◽

Low Vision ◽

Age Distribution ◽

Disabled Persons ◽

Age Related Macular Degeneration ◽

Registry System ◽

Age Related ◽

Increasing Trend ◽

The Disabled

Purpose. To describe the age distribution and main causes of new registered irreversible visual impairment (VI) and to compare the five-year proportion of VI in Jinshan district, Shanghai, from 2009 to 2018. Methods. The new irreversible VI data were collected in the registry system from the Disabled Persons’ Federation in Jinshan district from January 1, 2009, to December 31, 2018. Age, gender, and causes of VI were included, and the 5-year proportion of VI was calculated. Results. The peak occurrence of blindness occurred in the 50–59 yrs group in 2009–2013 and in the ≥70 yrs group in 2014–2018. The peak occurrence of low vision occurred in the 40–49 yrs group in 2009–2013 and in the 50–59 yrs group in 2014–2018. Myopic macular degeneration (MMD, 15.5%), diabetic retinopathy (DR, 14.3%), and other optic nerve atrophy (ONA, 14.3%) were the three leading causes of blindness in 2009-2013, whereas MMD (21.3%), age-related macular degeneration (AMD, 19.6%), ONA (14.9%) were the three leading causes of blindness in 2014–2018. MMD (39.2%), DR (9.6%), ONA (8.8%) were the three leading causes of low vision in 2009–2013, whereas MMD (38.7%), AMD (23.3%), ONA (7.4%) were the three leading causes of low vision in 2014–2018. The proportions of blindness and low vision caused by AMD were higher in 2014–2018 than those in 2009–2013 ( P = 0.034 and P < 0.001 , respectively). Conclusion. The present study demonstrated an increasing trend in the number of irreversibly visually impaired individuals from 2009 to 2018. More attention should be paid to people with high myopia and old age.

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Public housing: Issues in housing the nonelderly mentally disabled with the elderly: Testimony before the Congressional Staff Symposium on Nonelderly Disabled Persons Living in Public Housing for the Elderly

PsycEXTRA Dataset ◽

10.1037/e433082008-001 ◽

1992 ◽

Keyword(s):

Public Housing ◽

The Elderly ◽

Disabled Persons ◽

Mentally Disabled ◽

Housing For The Elderly ◽

Congressional Staff

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Changing Views About Disabled Persons

PsycEXTRA Dataset ◽

10.1037/e589142007-001 ◽

2006 ◽

Author(s):

Whitney Chapman ◽

Elizabeth Bigham

Keyword(s):

Disabled Persons

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Komplikasi Pasca Operasi sebagai Faktor Risiko Timbulnya Low Vision Pasca Operasi Katarak

Syifa MEDIKA Jurnal Kedokteran dan Kesehatan ◽

10.32502/sm.v10i1.1689 ◽

2019 ◽

Vol 10 (1) ◽

pp. 11

Author(s):

Rizki Anisa Nurjanah ◽

Septiani Nadra Indawaty ◽

Mitayani Purwoko

Keyword(s):

Low Vision ◽

Cross Sectional

Tajam penglihatan adalah daya lihat yang mampu dilakukan seseorang. Tajam penglihatan normal adalah apabila seseorang dapat melihat huruf, angka, maupun bentuk dalam berbagai macam ukuran pada kartu Snellen dengan jarak 20 kaki (20/20). Katarak merupakan salah satu penyebab terjadinya gangguan penglihatan terbanyak kedua setelah gangguan refraksi yang tidak terkoreksi. Penelitian ini bertujuan untuk mengetahui faktor-faktor yang mempengaruhi timbulnya low vision setelah operasi bedah katarak di Rumah Sakit Muhammadiyah Palembang. Penelitian ini menggunakan desain penelitian deskriptif kuantitatif dengan pendekatan cross sectional menggunakan data rekam medis pasien yang sudah menjalani operasi katarak di Rumah Sakit Muhammadiyah Palembang periode Januari 2017-April 2018. Besar sampel penelitian ini adalah 31 orang. Hasil penelitian ini menunjukkan bahwa pada kontrol keempat pasca operasi, ada 38,7% subjek yang tetap memiliki low vision. Subjek penelitian sebagian besar terdiri dari individu lansia akhir (74,2%), terdapat 2 orang subjek yang mengalami komplikasi intra operasi (6,4%), dan terdapat 9 orang subjek yang mengalami komplikasi pasca operasi (29,1%). Timbulnya lowvision setelah operasi katarak tidak dipengaruhi oleh usia (p = 1,000) dan komplikasi intraoperasi (p = 1,000), namun dipengaruhi oleh adanya komplikasi pasca operasi (p = 0,043). Faktor risiko timbulnya lowvision pasca operasi katarak adalah adanya komplikasi pasca operasi. Oleh karena itu, perlu upaya pencegahan dari berbagai sisi agar tidak terjadi komplikasi pasca operasi katarak.

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