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KMID : 1011420190240020181
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Journal of Korean Ophthalmic Optics Society
2019 Volume.24 No. 2 p.181 ~ p.187
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Effects of Blood Pressure and Glucose Levels on Visual Acuity
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Kim Dae-Jong
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Abstract
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Purpose: We aimed to determine the relationship between blood pressure and blood glucose levels and visual acuity that cannot be corrected in refraction examinations.
Methods: We measured the participants’ blood pressure and blood glucose levels to determine whether the presence of high blood pressure or diabetes was apprehended through the previously conducted survey and analyzed its influence on the non-corrected vision by performing refraction examinations.
Results: Through the survey, high blood pressure was determined in 40 patients (43.8%) and not determined in 59 (56.2%). Diabetes was determined in 27 patients (25.7%) and not determined in 77 (77.3%). The participants were classified according to the results of the blood pressure and blood glucose measurements. The blood pressure was normal in 47 (44.8%) and slightly elevated in 23 (21.9%) participants. Nineteen participants (18.1%) had stage 1 hypertension, 2 (1.9%) had stage 2 hypertension, and 11 (10.5%) had a low-systolic blood pressure. In 52 participants (49.5%), the results of the blood glucose measurements were normal, and 53 (50.5%) had diabetes. We found a negative, but not significant, correlation between corrected vision and the blood pressure and blood glucose levels. However, the correlation between non-corrected vision and the blood pressure and blood glucose levels was significant (R2 = 0.867 and R2 = 0.871, respectively).
Conclusions: The results of this study show that the blood pressure and blood glucose levels correlated with visual acuity in patients in whom vision could not be corrected in the refraction examination. Thus, older patients should be advised that high blood pressure and diabetes induce ophthalmologic diseases. Furthermore, if the vision cannot be corrected during refraction examinations in clinical practice, the patients should be informed of the possibility of an eye disease related to high blood pressure or diabetes.
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KEYWORD
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Hypertension, Diabetes, Blood pressure, Blood glucose, Refractive error, Refractive examination
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