Electronic Eye

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# How to study this subject

This paper presents a model of the eye movement. Using the natural process of seeing any object by the eye, a simple block diagram was considered. From this block diagram the mathematical model of eye movement was developed. The developed model was then converted into state equations which were used to draw the signal flow diagram. This diagram was simulated using simulink of MATLAB. An electrical circuit of the model was developed and output was checked. Finally, the condition of the stability of the model and the steady state error were determined both from the simulation and practically developed circuit. The model can describe the normal operation of the eye and can also describe the eye diseases like hypermetropia and myopia.

Eye is one the most important organs of the body. The human eye is an organ which reacts to light for several purposes. The visual system in the brain is too slow to process information if the images are slipping across the retina at more than a few degrees per second. Thus, for humans to be able to see while moving, the brain must compensate for the motion of the head by turning the eyes. Another complication for vision in frontal-eyed animals is the development of a small area of the retina with a very high visual acuity. This area is called the fovea, and covers about 2 degrees of visual angle in people. To get a clear view of the world, the brain must turn the eyes so that the image of the object of regard falls on the fovea. Eye movements are thus very important for visual perception, and any failure to make them correctly can lead to serious visual disabilities. Some works on human-machine interaction and eye position have been published. This study represents the model of eye and eye movement.

COPYRIGHT © 2011 IJCIT, ISSN 2078-5828 (PRINT), ISSN 2218-5224 (ONLINE), VOLUME 01, ISSUE 02, MANUSCRIPT CODE: 1101028
Project By M.S.R. Shoaib and Md. Asaduzzaman