Modern System of Ophthalmology (MSO) series comprises separate volumes on different subspecialties of ophthalmology. Each volume is planned with a very specific aim to cater to the needs of postgraduate students, residents and fellows in the respective subspecialty of ophthalmology. Glaucoma, a volume of MSO series in its second edition, presents an updated and thoroughly revised text which provides a comprehensive coverage of different aspects of glaucoma in a concise yet comprehensive manner. The text matter is complete and up-to-date with recent advances incorporated.