Retina Society shares geographic atrophy images

The Retina Society used a May 24 post on X to circulate clinical images of advanced non-neovascular age-related macular degeneration with geographic atrophy in both eyes, adding another teaching case to the stream of retina education shared on social media. The images highlighted bilateral geographic atrophy, calcified drusen and posterior vitreous detachment, according to the post. The material was presented as a pattern-recognition case rather than a treatment update. The case fits a broader effort by ophthalmology groups to use image-based posts for bedside recognition of late-stage retinal disease. ### What exactly was shown in the images? The Retina Society case described advanced non-neovascular AMD with geographic atrophy OU — shorthand for both eyes — along with calcified drusen and posterior vitreous detachment. In retina practice, geographic atrophy refers to sharply demarcated areas of retinal pigment epithelium, photoreceptor and choriocapillaris loss that develop in late dry AMD. The American Academy of Ophthalmology says the condition differs from wet AMD because it reflects progressive retinal thinning and loss rather than abnormal blood-vessel growth. (vagelos.columbia.edu) Columbia University’s digital ophthalmology reference says geographic atrophy often appears as single or multiple discrete areas of hypopigmentation or depigmentation, with larger choroidal vessels becoming visible within the atrophic zone. That same reference says the disease is often bilateral and symmetric, even if the two eyes do not progress at the same rate. (aao.org) ### Why do calcified drusen matter in a teaching case like this? Columbia University’s ophthalmology teaching material says geographic atrophy may be accompanied by calcified drusen, which appear as glistening, bright yellow specks. In a clinical image set, that matters because calcified drusen can help place the atrophy in the context of advanced dry AMD rather than another retinal process. (vagelos.columbia.edu) A clinic-facing review in Retina Today said OCT and multimodal imaging are increasingly important in geographic atrophy assessment because they show both en face lesion extent and cross-sectional retinal structure. That makes image libraries useful not only for diagnosis, but also for teaching how atrophy, drusen regression and other AMD features appear together. (vagelos.columbia.edu) ### How does this differ from the vision loss pattern in wet AMD? The American Academy of Ophthalmology says geographic atrophy usually causes gradual central vision loss, trouble in low light and increasing difficulty with reading or face recognition. AAO also says wet AMD is more often associated with sudden, severe vision loss, making the tempo of symptoms one practical clue during triage. (retinatoday.com) The American Society of Retina Specialists says dry AMD, including geographic atrophy, is a deterioration of the retina and choroid that can advance over time to marked visual impairment. In an older patient with progressive rather than abrupt visual decline, that distinction is one reason image-based examples of bilateral GA remain useful in clinic teaching. (aao.org) ### Where does posterior vitreous detachment fit into the picture? The Retina Society post listed posterior vitreous detachment as part of the case description, but posterior vitreous detachment is not itself the defining lesion of geographic atrophy. In older patients, it can coexist with AMD findings and appear on the same examination or imaging set. The core disease-defining features remain the sharply demarcated atrophic areas and associated late dry AMD changes, including drusen evolution and retinal pigment epithelium loss. (asrs.org) ### Why are societies posting these cases on social media? The Retina Society used X to distribute the case, and similar posts from specialty groups and journal-linked accounts have become a common format for rapid teaching. The social briefing tied to this case described the images as useful for pattern recognition in retina diagnostics, especially when clinicians are sorting through causes of progressive vision loss in older adults. (vagelos.columbia.edu) The X post remains the next stop for readers who want to inspect the image set directly, while AAO, ASRS and Columbia’s ophthalmology reference provide the supporting clinical framework for how geographic atrophy and calcified drusen are recognized in practice. (vagelos.columbia.edu)