Journal of Anatomy and Physiological Studies

Abstract

Cardiovascular and Nutritional Changes in Ocular Parameters

Author(s): PE Ohwin and EG Abadom

To ensure clear and continuous vision, the Human visual system surface acts as a functional entity that adjusts to varying environmental changes with time. This compensatory role may often be dependent on nutritional and cardiovascular alterations. This Study was designed to examine in humans, specifically executive drivers, the effect of cardiovascular and anthropometric [Body Mass Index (BMI), Weight and height) variations on visual capacities. Sixty Eight (68) executive driver staff of the Delta State University, Abraka, Delta State, Nigeria participated in the study. Subjects were grouped into four (4 groups) based on their nutritional/BMI status. With Group 1 consisting of lower than normal BMI value subjects (undernourished), Group 2 composed of subjects with normal nutritional (BMI) status (Control), with Groups 3 and 4 being over-nourished and obese participants respectively. For each sampled subject, cardiovascular [Blood Pressure (BP), Pulse Rate (PR) and Blood Glucose] and selected visual function/capacity [Visual Acuity (VA), Ophthalmoscopy and Intra-Ocular Pressure (IOP)] were obtained and compared with nutritional status [BMI]. Study observed an increase in visual functions [specifically IOP] with increased cardiovascular changes. Study also found a dependency of visual functions on cardiovascular and anthropometric variables, returning a statistically significant decrease (p < .05) in visual functions with increased BMI at noon than day time. We recommend a sophisticated approach to same study for other government employees across the state.

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