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Effects of fasting on intraocular pressure in a black population.

Abstract

INTRODUCTION

There is a dearth of literature available on the effects of fasting on Intraocular pressure (IOP) among all races and worldwide.

OBJECTIVES

To determine the effects of fasting on IOP in a black African population.

MATERIALS AND METHODS

A population-based survey utilizing multistage random sampling techniques was carried out among healthy adult Muslims who were examined before and during Ramadan fast in Osogbo, Nigeria. Demographics were obtained, visual acuities, clinical examination of both eyes, and IOPs were done. Weights and waist circumference were measured. Data were analyzed using Statistical Package for Social Sciences (SPSS) Version 16. Analysis generated frequencies and cross tabulations, whereas statistical significant values were derived using paired sample t-test and P < 0.05.

RESULTS

A total of 60 subjects with 120 eyes were examined. Mean age was 42.3 years standard deviation (SD) 16.7, and the male to female ratio was 3:2. Majority were professionals (33.3%). Only 18.3% had less than secondary school education. Over 90% had normal vision (6/5-6/18). Before and during fasting, the mean weights were 65.92 kg SD 12.98 and 65.29 kg SD 12.41 with a reduction of 0.63 kg SD 3.82 (P = 0.214, 95% confidence interval (CI): 0.372-1.626); and the mean waist circumference was 87.20 cm SD 12.39 and 81.78 cm SD 11.65 (P = 0.000, 95% CI 4.128-6.720), respectively. Mean IOPs were 15.98 mmHg SD 3.11 and 14.08 mmHg SD 2.71 before and during fasting, respectively (P = 0.000, 95% CI 0.98558-2.82798).

CONCLUSIONS

The study shows that fasting significantly reduced IOP in an ocularly healthy black African population.

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  • Authors+Show Affiliations

    ,

    Department of Surgery, Ophthalmology Unit, College of Health Sciences, Osun State University, Osogbo, Nigeria.

    Department of Surgery, Ophthalmology Unit, College of Health Sciences, Osun State University, Osogbo, Nigeria.

    Source

    MeSH

    Adolescent
    Adult
    African Continental Ancestry Group
    Aged
    Aged, 80 and over
    Body Constitution
    Fasting
    Female
    Humans
    Intraocular Pressure
    Male
    Middle Aged
    Nigeria
    Tonometry, Ocular

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    25371639

    Citation

    Hassan, Mustapha B., and Michaeline A. Isawumi. "Effects of Fasting On Intraocular Pressure in a Black Population." Middle East African Journal of Ophthalmology, vol. 21, no. 4, 2014, pp. 328-31.
    Hassan MB, Isawumi MA. Effects of fasting on intraocular pressure in a black population. Middle East Afr J Ophthalmol. 2014;21(4):328-31.
    Hassan, M. B., & Isawumi, M. A. (2014). Effects of fasting on intraocular pressure in a black population. Middle East African Journal of Ophthalmology, 21(4), pp. 328-31. doi:10.4103/0974-9233.142271.
    Hassan MB, Isawumi MA. Effects of Fasting On Intraocular Pressure in a Black Population. Middle East Afr J Ophthalmol. 2014;21(4):328-31. PubMed PMID: 25371639.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Effects of fasting on intraocular pressure in a black population. AU - Hassan,Mustapha B, AU - Isawumi,Michaeline A, PY - 2014/11/6/entrez PY - 2014/11/6/pubmed PY - 2015/1/28/medline KW - Black KW - Fasting KW - Intraocular Pressure KW - Population SP - 328 EP - 31 JF - Middle East African journal of ophthalmology JO - Middle East Afr J Ophthalmol VL - 21 IS - 4 N2 - INTRODUCTION: There is a dearth of literature available on the effects of fasting on Intraocular pressure (IOP) among all races and worldwide. OBJECTIVES: To determine the effects of fasting on IOP in a black African population. MATERIALS AND METHODS: A population-based survey utilizing multistage random sampling techniques was carried out among healthy adult Muslims who were examined before and during Ramadan fast in Osogbo, Nigeria. Demographics were obtained, visual acuities, clinical examination of both eyes, and IOPs were done. Weights and waist circumference were measured. Data were analyzed using Statistical Package for Social Sciences (SPSS) Version 16. Analysis generated frequencies and cross tabulations, whereas statistical significant values were derived using paired sample t-test and P < 0.05. RESULTS: A total of 60 subjects with 120 eyes were examined. Mean age was 42.3 years standard deviation (SD) 16.7, and the male to female ratio was 3:2. Majority were professionals (33.3%). Only 18.3% had less than secondary school education. Over 90% had normal vision (6/5-6/18). Before and during fasting, the mean weights were 65.92 kg SD 12.98 and 65.29 kg SD 12.41 with a reduction of 0.63 kg SD 3.82 (P = 0.214, 95% confidence interval (CI): 0.372-1.626); and the mean waist circumference was 87.20 cm SD 12.39 and 81.78 cm SD 11.65 (P = 0.000, 95% CI 4.128-6.720), respectively. Mean IOPs were 15.98 mmHg SD 3.11 and 14.08 mmHg SD 2.71 before and during fasting, respectively (P = 0.000, 95% CI 0.98558-2.82798). CONCLUSIONS: The study shows that fasting significantly reduced IOP in an ocularly healthy black African population. SN - 0975-1599 UR - https://www.unboundmedicine.com/medline/citation/25371639/full_citation L2 - http://www.meajo.org/article.asp?issn=0974-9233;year=2014;volume=21;issue=4;spage=328;epage=331;aulast=Hassan DB - PRIME DP - Unbound Medicine ER -