Correlative study of intraocular pressure and body mass index in North Indian subjects
Journal Title: International Journal of Medical and Health Sciences - Year 2015, Vol 4, Issue 4
Abstract
Background: Various systemic and local factors affect IOP. Raised IOP is the major risk factor for development and progression of glaucoma. BMI is a modifiable systemic factor which can affect IOP. Aim: To find the correlation between IOP and BMI in adult North Indian subjects. Material and methods: The study included 300 healthy individuals. BMI was calculated by using Quetelet’s index i.e. Weight (in kg)/ (Height (in m))2. The intraocular pressure recording was done using Slit lamp mounted Goldman Applanation tonometer. According to BMI the subjects were divided into four groups viz. underweight with BMI < 18.5 Kg /m2,normal weight with BMI 18.5 to 22.9 Kg/m2 ,overweight with BMI 23 to 24.9 Kg /m2 and obese with BMI > 25 Kg /m2. Result: The mean IOP of underweight group was 14.72±2.37 mm of Hg. The mean IOP of normal weight group was 14.74 ±2.06 mm of Hg. The mean IOP of overweight group was 15.46±1.99 mm of Hg. The mean IOP of obese group was 17.9±2.54 mm of Hg. The IOP increased proportionately with increase in BMI. The difference was found to be statistically significant. Conclusion: We conclude that IOP is positively correlated with BMI.As raised IOP main risk factor for development of glaucoma so obesity is a risk factor for glaucoma. Periodic checking of IOP in obese individuals can lead to early diagnosis and prevent blindness due to glaucoma. Simple measures like dietary alteration, physical exercise and life style modification which can alter BMI can play an accessory role in prevention as well as treatment of glaucoma.
Authors and Affiliations
Shikha Baisakhiya, Surjit Singh, Farah Mushtaq
Keywords
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