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What are Distance Vision, Intermediate Vision, and Near Vision?
Distance vision refers to eyesight for tasks beyond arm's length, tested at a distance of approximately 20 feet.
Intermediate vision refers to eyesight for tasks at 20 inches (50 cm), usually used for computer work.
Near vision refers to eyesight used for up close, like reading, generally at a range of 11 to 16 inches (27-40 cm) from the eyes.