Abstract

Abstract:  The optical system of the eye consists of thepupil through which light enters the eye and is focused on the retina by theadjustable lens. Blindness is one of the major public health problems indeveloping countries. The major causes of blindness are Cataract and cornealdiseases. Corneal diseases are among the major causes of vision loss andblindness in the world today. In India, it is estimated that there areapproximately 6.8 million people who have vision loss due to corneal diseases.About 10.6 million people will suffer from unilateral corneal blindness inIndia by 2020. It is estimated that there is addition of 25,00030,000 cornealblindness cases every year in the country. This paper proposes a method for eyehealth screening using image processing. Set of thirty normal and affected eyeimages are taken for analysis. The images are processed and binarized. Thewhite to black pixel ratio is calculated and compared with a threshold value toidentify the image as normal or affected eye.

Keywords: Healthyand Affected Eye images, White to Black pixel Ratio, MAT LAB-2015a, HealthScreening.