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14
Formal Design and Development of an Anterior
Segment Eye Disease Classification System
Oliver Faust, Chan Wei Yan, Muthu Rama Krishnan Mookiah,
U. Rajendra Acharya, Eddie Y. K. Ng, and Wenwei Yu
14.1 Introduction
The majority of visual impairments are caused by disease and malnutrition. Studies from
the World Health Organization (WHO) indicate that more than 42 million people world-
wide are currently blind [1]. In 2002, the most common causes of blindness were cata-
ract (47.8%), glaucoma (12.3%), age-related macular degeneration (AMD) (8.7%), trachoma
(3.6%), corneal opacity (5.1%), and diabetic retinopathy (4.8%) [2]. These gures indica