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![microglia](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/05/053017_BB_scilife_main.jpg?fit=860%2C460&ssl=1)
MEGA MICROGLIA Microglia (green, in a mouse retina) are one of the first immune responders when photoreceptor cells are damaged or diseased. But when microglia kill those injured cells, vision loss can occur.
MINHUA WANG/WONG LAB