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Development of outer retinal tubulation (ORT) with progressive atrophy in an eye with pattern dystrophy. Progressive infrared photographs (left) and corresponding spectral-domain optical coherence tomography (SD-OCT) scans (right) at A, baseline, B, 29 months, and C, 42 months. As the area of outer retinal atrophy enlarges (yellow arrows), there is progressive appearance of the ORT structures.
