E-ISSN 2146-8311
 

Original Research 


Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari.

Abstract
The health of the working population is an important prerequisite for productivity. The study therefore aimed at investigating the effect of the working environment on the oculo-visual health of some sand and stone mine workers in Ghana. A cross-sectional survey involving 247 sand and stone mine workers and 250 non-mine workers was conducted between February 2010 and May 2011. Structured interview was used to obtain information on demographics, ocular protective wear use, and ocular symptoms. External ocular assessments and distance visual acuity measurements were performed. While 45.7% of mine workers used either sunglasses or safety goggles, none of non-mine workers wore safety goggles; a few (8.8%) occasionally wore sunglasses. A significant proportion ( P ≤ 0.0001) of non-mine workers (59.2%) did not show ocular symptoms relative to the sand and stone miners. The vast majority (P ≤ 0.0001) of non-mine workers (75.2%) had no visible ocular findings compare to the sand and stone miners (32.4%). Among quarry workers, pterygium (24.3%), pingueculae (5.7%), inflammed eyes (18.2%), and scleral pigmentation 13.8% were significant (P ≤ 0.0001) findings which was not the case with non-mine workers. Visual acuity was however not significantly different (P > 0.05) with only approximately 5% from both categories recording moderate to very low (6/18 - 6/60) acuities. Although the working environment in the sand and stone mines seems to have no effect on visual acuity, it has detrimental effect on ocular structure which eventually could affect vision. Using appropriate ocular protectives and regular ocular examinations would be beneficial.

Key words: Pterygium, Pingueculae Visual acuity, Protective Eye Wear, Foreign body sensation


 
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PMid:1936738

How to Cite this Article
Pubmed Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. J Environ Occup Sci. 2012; 1(2): 83-90. doi:10.5455/jeos.20120719050427


Web Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. http://www.jeosci.com/?mno=21575 [Access: October 22, 2019]. doi:10.5455/jeos.20120719050427


AMA (American Medical Association) Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. J Environ Occup Sci. 2012; 1(2): 83-90. doi:10.5455/jeos.20120719050427



Vancouver/ICMJE Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. J Environ Occup Sci. (2012), [cited October 22, 2019]; 1(2): 83-90. doi:10.5455/jeos.20120719050427



Harvard Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari (2012) Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. J Environ Occup Sci, 1 (2), 83-90. doi:10.5455/jeos.20120719050427



Turabian Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. 2012. Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. Journal of Environmental and Occupational Science, 1 (2), 83-90. doi:10.5455/jeos.20120719050427



Chicago Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. "Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana." Journal of Environmental and Occupational Science 1 (2012), 83-90. doi:10.5455/jeos.20120719050427



MLA (The Modern Language Association) Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari. "Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana." Journal of Environmental and Occupational Science 1.2 (2012), 83-90. Print. doi:10.5455/jeos.20120719050427



APA (American Psychological Association) Style

George Asumeng Koffuor, Samuel Kyei, Linda Gyanfosu, Clement Afari (2012) Effect of the Working Environment on Oculo-Visual Health of Some Sand and Stone Miners in Ghana. Journal of Environmental and Occupational Science, 1 (2), 83-90. doi:10.5455/jeos.20120719050427





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