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- The Prevalence of High Myopia in 19 Year-Old Men in Busan, Ulsan and Gyeongsangnam-Do.
- Sang Joon Lee, Sang Hwa Urm, Byeng Chul Yu, Hae Sook Sohn, Young Seoub Hong, Maeng Seok Noh, Yong Hwan Lee
- J Prev Med Public Health. 2011;44(1):56-64.
- DOI: https://doi.org/10.3961/jpmph.2011.44.1.56
- 5,915 View
- 68 Download
- 17 Crossref
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Abstract
PDF - OBJECTIVES
The purpose of this study was to estimate the prevalence and correlated factors of high myopia in 19 year-old men in Southeast Korea. METHODS: This retrospective study was based on the medical checkup data of conscription during 2005. The study subjects were 19 years old men in Busan, Ulsan and Gyeongsangnam-do. The health checkup data of the conscripts consisted of noncycloplegic autorefraction test, the biometric data and social factors. To analyze the social and biometric effects, we classified the biometric factors into 4 or 5 groups and the social factors into 3 groups. High myopia was defined as a spherical equivalent of under -6.0 diopter. Data analysis was performed using the chi square test for trends and multiple logistic regression analysis. The SAS(version 9.1) program was used for all the analyses. RESULTS: The prevalence of high myopia was 12.39% (6256 / 50 508). The factors correlated with high myopia were the residence area (OR, 2.07; 95% CI, 1.77 to 2.4 for small city; OR, 2.01; 95% CI, 1.72 to 2.34 for metropolis; the reference group was rural area), academic achievement (OR, 1.43; 95% CI, 1.34 to 1.53 for students of 4-and 6-year-course university; the reference group was high school graduates & under) and blood pressure (OR, 1.54; 95% CI, 1.10 to 2.16 for hypertension; OR, 1.09; 95% CI, 1.02 to 1.17 for prehypertension; OR, 1.10; 95% CI, 1.01 to 1.20 for hypotension; the reference group was normal blood pressure). CONCLUSIONS: More than one tenth of the young men were high myopia as one of the risk factor for visual loss. Further studies on high myopia and its complications are needed to improve eye health in Southeast Korea. -
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Citations
Citations to this article as recorded by
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Original Article- Assessing the Factors Influencing Patient Satisfaction after Receiving Laser in situ Keratomileusis (LASIK) .
- Woohyun Cho, Hye Young Kang, Ji Yoon Kim, Yoon Chung, Jongho Lee, Jemyung Lee
- J Prev Med Public Health. 2004;37(2):111-119.
- 2,073 View
- 47 Download
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Abstract
PDF
- PURPOSE
To identify those factors influencing the post-operative satisfaction in myopia patients receiving laser in situ keratomileusis (LASIK) METHODS: This study included 288 consecutive patients who received LASIK between July and December 2001 from two eye clinics located in Seoul and Pusan. Factors that were considered to influence post-operative satisfaction included pre-operative baseline characteristics, pre-operative expectation for treatment outcomes, and treatment outcomes. Before undergoing LASIK, study subjects were asked to rate the degree of their expectation for the improvement of visual functions and symptoms after LASIK on a 5-point Likert-type scale: where 1 referred to 'somewhat worse, ' 2 to 'no change, ' 3 to 'somewhat improved, ' 4 to 'improved, ' and 5 to 'very improved.' Self-administered questionnaire was used to evaluate baseline visual functions and symptoms on a 5-point scale before LASIK. At 6 months after LASIK, the evaluation was repeated to measure treatment outcomes in terms of the difference in the score before and after LASIK. Post-operative satisfaction was also measured at 6 months on a 5-point scale. Multiple regression analysis was performed to examine the independent relationship between influencing factors and postoperative satisfaction. RESULTS: A total of 171 patients (59.4%) participated in the 6-month follow-up investigation. The average expectation scores for the improvement in visual functions and symptoms were 3.8 and 3.4, respectively. The average score for the 7 questions assessing satisfaction was 4.0. The results of the regression analysis showed that the post-operative satisfaction increased with improvement in the visual function (beta=0.16, p< 0.05) and symptoms (beta=0.25, p< 0.05), the degree of preoperative refractive error (beta=0.26-0.67, p< 0.05) and in male patients (beta=0.31, p< 0.1). The pre-operative expectation was not a statistically significant factor in explaining postoperative satisfaction in the regression model. CONCLUSION: The finding from this study was that patients with very severe myopia tended to be more satisfied with the treatment than those with mild myopia, which implies that LASIK can be more beneficial to those suffering from a severe visual condition. Patient satisfaction was also significantly affected by the treatment outcomes experienced after LASIK. This suggests that improving the clinical outcome is the most fundamental requirement for the improvement of patient satisfaction. -
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