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Compute the following questions given below:

Question I: What is the focal length of the eye-lens system when viewing an object at infinity? Assume that the lens-retina distance is 1.9 cm.

Question II: What is the focal length of the eye-lens system when viewing an object 31cm from the eye? Assume that the lens-retina distance is 1.9 cm.

Please use as much detail as possible in your answer. Thank you.

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