Show pagesourceOld revisionsBacklinksBack to top Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer Reddit TeamsRecent ChangesSend via e-MailPrintPermalink × This is an old revision of the document! Optic Disc Area Disc Area remains largely stable throughout life but there are ethnic variations Normal mean disc area is 2.27 mm² (st. dev ±0.412) Distribution of Disc Area optic disc