Book excerpt: Features more than 1,000 superb illustrations depicting the full spectrum of retinal diseases using OCT scans, supported by clinical photos and ancillary imaging technologies. Presents images as large as possible on the page with an abundance of arrows, pointers, and labels to guide you in pattern recognition and eliminate any uncertainty. Includes the latest high-resolution spectral domain OCT technology and new insights into OCT angiography technology to ensure you have the most up-to-date and highest quality examples available. Provides key feature points for each disorder giving you the need-to-know OCT essentials for quick comprehension and rapid reference. An excellent diagnostic companion to Handbook of Retinal OCT: Optical Coherence Tomography, by the same expert author team of Drs. Jay S. Duker, Nadia K. Waheed, and Darin R. Goldman.