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Yes, this just means you (first number) can see at 20 feet what the normal person (second number) can see at 20 feet. I don't know why 20 feet became the standa
by throwawayboise 5y ago
Yes, this just means you (first number) can see at 20 feet what the normal person (second number) can see at 20 feet. I don't know why 20 feet became the standard for comparison.