Ann Arbor

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In this April 16, 2014, image from video Dr. Thiran Jayasundera, left, looks at Roger Pontz’s left eye as Pontz’s wife, Terri Pontz, right, looks on at the University of Michigan Kellogg Eye Center on April 16, 2014, in Ann Arbor, Mich. (AP Photo, Mike Householder)

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In this April 16, 2014, image from video Roger Pontz wears special glasses that house a small video camera and transmitter at the University of Michigan Kellogg Eye Center on April 16, 2014, in Ann Arbor, Mich. (AP Photo, Mike Householder)

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In this April 21, 2014 photo, University of Michigan Ross School of Business graduate student Keith Caldwell, of Boston, works on his laptop outside of the school near a large 200-year-old bur oak tree that will be moved as part of upcoming construction at the school in Ann Arbor, Mich. The Ann Arbor News reported the Stephen M. Ross School of Business project includes moving the tree from its place in a courtyard at the north side of the Ross complex, facing the School of Education, to a lawn area off Tappan Street. (AP Photo/The Ann Arbor News, Melanie Maxwell) LOCAL TV OUT; LOCAL INTERNET OUT

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FILE - In this Feb. 23, 2014 file photo, Michigan guard Nik Stauskas (11), and forward Glenn Robinson III (1) stand on the court after a time out in the second half of an NCAA college basketball game against Michigan State, at Crisler Center in Ann Arbor, Mich. Sophomores Robinson and Stauskas helped the Wolverines win the Big Ten title and reach an NCAA tournament regional final last season.(AP Photo/Tony Ding, File)