This atlas covers a broad spectrum of topics, from congenital anomalies and external eye diseases to conditions affecting the eyelid, conjunctiva, cornea, uvea, lens, retina, vitreous, optic nerve, and orbit. It provides information on both primary and secondary tumors, incorporating the latest American Joint Committee on Cancer (AJCC) classifications. It includes a separate chapter on retinoblastoma and choroidal tumors. The book is illustrated with high-resolution clinical and gross, histopathological, and immunohistochemistry microphotographs to ease decision-making. This book is relevant for practicing ophthalmologists, ophthalmic pathologists, and postgraduate students of ophthalmology as well as optometry and pathology students, and oncology super-specialists.