Glaucoma is one of the diseases that deal with the loss of vision without warning or symptoms. Some of the alarming facts about Glaucoma are the leading cause of blindness, no cure for Glaucoma yet, everyone is at risk and There may be no symptoms. When Glaucoma is understood and managed, humans can continue to live their life fully. Considering all these issues the projected work in this book has been addressed with closed-angle glaucoma, for immediate medical attention, with feature detection of the human eye using medical image processing techniques.