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Written by David Langford, O.D.

David Langford is a graduate of PUCO 2003, worked as a USPHS/IHS optometrist, then as fill-in commercial, then solo private practice, and now works full time as an independent doctor of optometry inside a Wal-Mart Vision Center.

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David Langford, O.D. has written 424 posts on optoblog.com

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