Beware the 'Thieves of Sight': These groups are at high risk for glaucoma. Beware the “thief of sight” March 6 is "World GlaucomA Day" The second week of March every year is World Glau coma Week.

People with the above risk factors should have regular eye exams to detect glauCOMa early. There are 5 common types of the disease, which are divided into 6 different stages. The different stages have different symptoms and signs. Patients at the Acute angle-closure stage have no obvious sensation.