Much of his early research concerned eye movements and strabismus, including saccadic velocity measurements and use of botulinum toxin.
After completed his undergraduate degree from Columbia College, Columbia University, Metz received his medical degree from SUNY and MBA from the University of Rochester.
He did a medical internship at the Jewish Hospital of Brooklyn, followed by an ophthalmology residency at the University of Rochester School of Medicine and strabismus fellowship at the Smith-Kettlewell Eye Research Institute.
During the late 1990s Metz maintained private practice in Rochester and at The Eye Specialists Center in Illinois, and served as visiting professor at The University of Illinois Eye and Ear Infirmary until his appointment at Smith-Kettlewell in 2003.
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