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The effect of 6 prism base-out during smartphone use on vergence and accommodation systems

Introduction: Prism is used in binocular vision assessment and visual therapy. The short-term use of prism, particularly base-out prism on vergence and accommodation system, was not well-explained in the previous investigations. Aim: This current study aimed to assess the effect of 6 prism base-ou...

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Main Authors: Wan Harun, Maryam Aliya, Ithnin, Mohd. Hafidz
Format: Article
Language:English
Published: Kulliyyah of Allied Health Sciences, International Islamic University Malaysia 2020
Subjects:
R Medicine (General)
RE Ophthalmology
Online Access:http://irep.iium.edu.my/82386/1/82386_The%20Effect%20of%206%20Prism%20Base-Out%20During%20Smartphone.pdf
http://irep.iium.edu.my/82386/
https://journals.iium.edu.my/ijahs/index.php/IJAHS/article/view/415/337
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spelling my.iium.irep.823862020-09-08T07:17:56Z http://irep.iium.edu.my/82386/ The effect of 6 prism base-out during smartphone use on vergence and accommodation systems Wan Harun, Maryam Aliya Ithnin, Mohd. Hafidz R Medicine (General) RE Ophthalmology Introduction: Prism is used in binocular vision assessment and visual therapy. The short-term use of prism, particularly base-out prism on vergence and accommodation system, was not well-explained in the previous investigations. Aim: This current study aimed to assess the effect of 6 prism base-out for 15 minutes on vergence and accommodation system during the utilization of smartphone. Methodology: Thirty normal participants were recruited in this quasi-experimental study. All participants wore 6 prism-base out for 15 minutes while using smartphone at 40cm. Near positive fusional vergence (PFV) and amplitude of accommodation (AA) were measured before and after 15 minutes of 6 prism base-out wear during smartphone usage. Results: The results showed no significant difference for both parameters measured when comparison was made between before and after prism base-out inducement in front of eye. Conclusion: The vergence and accommodation systems presented in this study were almost identical among normal subjects after inducement of 6 prism base-out for 15 minutes during watching smartphone. Kulliyyah of Allied Health Sciences, International Islamic University Malaysia 2020-02-25 Article PeerReviewed application/pdf en http://irep.iium.edu.my/82386/1/82386_The%20Effect%20of%206%20Prism%20Base-Out%20During%20Smartphone.pdf Wan Harun, Maryam Aliya and Ithnin, Mohd. Hafidz (2020) The effect of 6 prism base-out during smartphone use on vergence and accommodation systems. International Journal of Allied Health Sciences (IJAHS), 4 (1). pp. 1011-1016. E-ISSN 2600-8491 https://journals.iium.edu.my/ijahs/index.php/IJAHS/article/view/415/337
institution Universiti Islam Antarabangsa Malaysia
building IIUM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider International Islamic University Malaysia
content_source IIUM Repository (IREP)
url_provider http://irep.iium.edu.my/
language English
topic R Medicine (General)
RE Ophthalmology
spellingShingle R Medicine (General)
RE Ophthalmology
Wan Harun, Maryam Aliya
Ithnin, Mohd. Hafidz
The effect of 6 prism base-out during smartphone use on vergence and accommodation systems
description Introduction: Prism is used in binocular vision assessment and visual therapy. The short-term use of prism, particularly base-out prism on vergence and accommodation system, was not well-explained in the previous investigations. Aim: This current study aimed to assess the effect of 6 prism base-out for 15 minutes on vergence and accommodation system during the utilization of smartphone. Methodology: Thirty normal participants were recruited in this quasi-experimental study. All participants wore 6 prism-base out for 15 minutes while using smartphone at 40cm. Near positive fusional vergence (PFV) and amplitude of accommodation (AA) were measured before and after 15 minutes of 6 prism base-out wear during smartphone usage. Results: The results showed no significant difference for both parameters measured when comparison was made between before and after prism base-out inducement in front of eye. Conclusion: The vergence and accommodation systems presented in this study were almost identical among normal subjects after inducement of 6 prism base-out for 15 minutes during watching smartphone.
format Article
author Wan Harun, Maryam Aliya
Ithnin, Mohd. Hafidz
author_facet Wan Harun, Maryam Aliya
Ithnin, Mohd. Hafidz
author_sort Wan Harun, Maryam Aliya
title The effect of 6 prism base-out during smartphone use on vergence and accommodation systems
title_short The effect of 6 prism base-out during smartphone use on vergence and accommodation systems
title_full The effect of 6 prism base-out during smartphone use on vergence and accommodation systems
title_fullStr The effect of 6 prism base-out during smartphone use on vergence and accommodation systems
title_full_unstemmed The effect of 6 prism base-out during smartphone use on vergence and accommodation systems
title_sort effect of 6 prism base-out during smartphone use on vergence and accommodation systems
publisher Kulliyyah of Allied Health Sciences, International Islamic University Malaysia
publishDate 2020
url http://irep.iium.edu.my/82386/1/82386_The%20Effect%20of%206%20Prism%20Base-Out%20During%20Smartphone.pdf
http://irep.iium.edu.my/82386/
https://journals.iium.edu.my/ijahs/index.php/IJAHS/article/view/415/337
_version_ 1677780704298008576
score 13.211869

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