Vasuki, G (2012) Prevalence of Common Visual Defects among Middle Aged Individuals: An Epidemiological study. Masters thesis, Tirunelveli Medical College, Tirunelveli.
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Abstract
INTRODUCTION: Vision is a means of communication of man with the external world. It helps the individual to adjust, adapt and to protect the individual in the available circumstances. The impact of visual loss has profound implications for the person affected and the society as a whole. AIM AND OBJECTIVES: The present study involves determination of the prevalence of common visual defects that exist in the selected 100 patients of the age group 30-60 year who attended the Ophthalmology Department in Tirunelveli Medical College Hospital. MATERIALS AND METHODS: The study is a hospital- based, non- interventional, cross-sectional study. Informed consent was obtained and by way of providing proforma, the required data was collected with special reference to the presence of diabetes, hypertension etc., Visual acuity, intra ocular pressure, visual fields, refractive status and fundus examination were done to detail the defective vision . Estimation of blood pressure, blood sugar and cholesterol were done. Results: 23 patients did not have any significant alterations in the visual apparatus.29 patients with pathological changes in the visual apparatus had associated metabolic disorder diabetes mellitus. 22 patients with hypertension were found to have organic changes in the visual apparatus. 16 of them had refractory errors and 4 cases had corneal opacity. DISCUSSION AND CONCLUSION : The conditions of diabetes mellitus and hypertension, which affect the microvasculature and the nervous tissue, are found to have enormous effect in causing the various defects in the functioning of visual apparatus. The prevalence rate of Cataract, Glaucoma and Retinopathies in both diabetics and hypertensives are consistent with previous studies. Both these conditions are called stress-related, modern life style diseases which can be either avoided or postponed by suitable stress relaxation techniques.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | visual defects, diabetes mellitus, hypertension. |
| Subjects: | MEDICAL > Physiology |
| Depositing User: | Subramani R |
| Date Deposited: | 12 Sep 2020 17:26 |
| Last Modified: | 12 Sep 2020 17:26 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/13122 |
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