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Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status

Introduction: Short-term fasting may influence intraocular pressure (IOP) due to alteration of fluid (total body water; TBW, and water intake) and fat (total body fat; TBF). This study aimed: i) to compare IOP values within and between, fasting and non-fasting periods; and ii) to assess the associat...

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Main Authors: Esa, Nur Raihan, Mohd Shukri, Nor Azwani, Ahmad, Norsham, Hilmi, Mohd Radzi, Md Mustafa, Md Muziman Syah, Ibrahim, Nura Syahiera, Che Arif, Fatin Amalina, Yusof @ Alias, Firdaus
Format: Article
Language:English
Published: Faculty of Medicine and Health Sciences, Universiti Putra Malaysia 2020
Subjects:
RE Ophthalmology
RM216 Diet Therapy. Clinical Nutrition
Online Access:http://irep.iium.edu.my/87254/1/Nur%20Raihan%20et%20al%20%282020%29%20-%20MJMHS.pdf
http://irep.iium.edu.my/87254/
https://medic.upm.edu.my/our_journal/malaysian_journal_of_medicine_and_health_sciences_mjmhs/mjmhs_vol_16_no_2_may_2020-56552
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spelling my.iium.irep.872542023-08-09T06:19:32Z http://irep.iium.edu.my/87254/ Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status Esa, Nur Raihan Mohd Shukri, Nor Azwani Ahmad, Norsham Hilmi, Mohd Radzi Md Mustafa, Md Muziman Syah Ibrahim, Nura Syahiera Che Arif, Fatin Amalina Yusof @ Alias, Firdaus RE Ophthalmology RM216 Diet Therapy. Clinical Nutrition Introduction: Short-term fasting may influence intraocular pressure (IOP) due to alteration of fluid (total body water; TBW, and water intake) and fat (total body fat; TBF). This study aimed: i) to compare IOP values within and between, fasting and non-fasting periods; and ii) to assess the association between IOP and, TBW and TBF. Methods: Thirty healthy participants aged 21.8±1.1 years were assessed on two different periods (fasting vs. non-fasting). During each period, the IOP, TBW and TBF values were assessed for four times (morning, afternoon, evening, late-evening). The IOP was measured using AccuPen® tonopen, while TBW and TBF were assessed by using a Tanita body composition analyser. Results: During fasting, the IOP value in the afternoon (14.53±2.33 mmHg) was significantly higher than in the evening (12.43±2.73 mmHg, p=0.009) and late-evening (12.60±2.44 mmHg, p=0.003). No significant difference in IOP was observed during non-fasting period. The mean of IOP in the evening was significantly lower during fasting compared to non-fasting (12.43±2.73 mmHg vs 13.75±2.53 mmHg, p=0.044). The IOP and TBW were negatively correlated (r=-0.268; p=0.011) during non-fasting and showed no association during fasting period. There was no significant correlation between IOP and TBF during both fasting and non-fasting periods. Conclusion: IOP reduction during short-term fasting, together with the no association with TBF and TBW suggested that IOP is an independent factor that reduces during fasting in healthy population. Faculty of Medicine and Health Sciences, Universiti Putra Malaysia 2020-05 Article PeerReviewed application/pdf en http://irep.iium.edu.my/87254/1/Nur%20Raihan%20et%20al%20%282020%29%20-%20MJMHS.pdf Esa, Nur Raihan and Mohd Shukri, Nor Azwani and Ahmad, Norsham and Hilmi, Mohd Radzi and Md Mustafa, Md Muziman Syah and Ibrahim, Nura Syahiera and Che Arif, Fatin Amalina and Yusof @ Alias, Firdaus (2020) Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status. Malaysian Journal of Medicine and Health Sciences, 16 (2). pp. 180-186. E-ISSN 2636-9346 https://medic.upm.edu.my/our_journal/malaysian_journal_of_medicine_and_health_sciences_mjmhs/mjmhs_vol_16_no_2_may_2020-56552
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 RE Ophthalmology
RM216 Diet Therapy. Clinical Nutrition
spellingShingle RE Ophthalmology
RM216 Diet Therapy. Clinical Nutrition
Esa, Nur Raihan
Mohd Shukri, Nor Azwani
Ahmad, Norsham
Hilmi, Mohd Radzi
Md Mustafa, Md Muziman Syah
Ibrahim, Nura Syahiera
Che Arif, Fatin Amalina
Yusof @ Alias, Firdaus
Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
description Introduction: Short-term fasting may influence intraocular pressure (IOP) due to alteration of fluid (total body water; TBW, and water intake) and fat (total body fat; TBF). This study aimed: i) to compare IOP values within and between, fasting and non-fasting periods; and ii) to assess the association between IOP and, TBW and TBF. Methods: Thirty healthy participants aged 21.8±1.1 years were assessed on two different periods (fasting vs. non-fasting). During each period, the IOP, TBW and TBF values were assessed for four times (morning, afternoon, evening, late-evening). The IOP was measured using AccuPen® tonopen, while TBW and TBF were assessed by using a Tanita body composition analyser. Results: During fasting, the IOP value in the afternoon (14.53±2.33 mmHg) was significantly higher than in the evening (12.43±2.73 mmHg, p=0.009) and late-evening (12.60±2.44 mmHg, p=0.003). No significant difference in IOP was observed during non-fasting period. The mean of IOP in the evening was significantly lower during fasting compared to non-fasting (12.43±2.73 mmHg vs 13.75±2.53 mmHg, p=0.044). The IOP and TBW were negatively correlated (r=-0.268; p=0.011) during non-fasting and showed no association during fasting period. There was no significant correlation between IOP and TBF during both fasting and non-fasting periods. Conclusion: IOP reduction during short-term fasting, together with the no association with TBF and TBW suggested that IOP is an independent factor that reduces during fasting in healthy population.
format Article
author Esa, Nur Raihan
Mohd Shukri, Nor Azwani
Ahmad, Norsham
Hilmi, Mohd Radzi
Md Mustafa, Md Muziman Syah
Ibrahim, Nura Syahiera
Che Arif, Fatin Amalina
Yusof @ Alias, Firdaus
author_facet Esa, Nur Raihan
Mohd Shukri, Nor Azwani
Ahmad, Norsham
Hilmi, Mohd Radzi
Md Mustafa, Md Muziman Syah
Ibrahim, Nura Syahiera
Che Arif, Fatin Amalina
Yusof @ Alias, Firdaus
author_sort Esa, Nur Raihan
title Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
title_short Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
title_full Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
title_fullStr Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
title_full_unstemmed Intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
title_sort intraocular pressure: the effect of short-term fasting and its association with fluid and fat status
publisher Faculty of Medicine and Health Sciences, Universiti Putra Malaysia
publishDate 2020
url http://irep.iium.edu.my/87254/1/Nur%20Raihan%20et%20al%20%282020%29%20-%20MJMHS.pdf
http://irep.iium.edu.my/87254/
https://medic.upm.edu.my/our_journal/malaysian_journal_of_medicine_and_health_sciences_mjmhs/mjmhs_vol_16_no_2_may_2020-56552
_version_ 1775621698176942080
score 13.211869

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