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A comment on Declining eyesight improved by looking at deep red light. Parent comment

Re:Declining eyesight improved by looking at deep red light by wtallis on Friday August 07, 2020 @08:35AM (#24081158)
Depth of field is what expands with smaller apertures, not field of view. The former is the range of distances that are "in focus", and the latter is the angular width of the the scene.
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