*Eye Center, Renmin Hospital of Wuhan University, Wuhan, China; and

†Physical Examination Center, Renmin Hospital of Wuhan University, Wuhan, China.

Reprint requests: Changzheng Chen, MD, PhD, Eye Center, Renmin Hospital of Wuhan University, No. 9 ZhangZhiDong Street, Wuchang District, Wuhan 430060, Hubei, China; e-mail: [email protected]

None of the authors has any financial/conflicting interests to disclose.

Supplemental digital content is available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.retinajournal.com).

G. Sun and X. Wang contributed equally.