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Vision scientists discover new angle on path of light through photoreceptors
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Vision scientists discover new angle on path of light through photoreceptors

by National Eye Institute Credit: Pixabay/CC0 Public Domain Researchers at the National Eye Institute (NEI) have discovered that power-producing organelles in the eye’s photoreceptor cells, called mitochondria, function as microlenses that help channel light to these cells’ outer segments where it’s converted into nerve signals. The discovery in ground squirrels provides a more precise picture...