Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Philadelphia, Pennsylvania.

Reprint requests: Jason Hsu, MD, Retina Service, Wills Eye Hospital, Mid Atlantic Retina, Thomas Jefferson University, Suite 1020, 840 Walnut Street, Philadelphia, PA, 19107; e-mail: [email protected]

J. Arch McNamara, MD Fund for Retina Research and Education.

None of the authors has any conflicting interests to disclose.

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