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optic_disc_area [2025/02/20 23:08] – Scott Larsonoptic_disc_area [2026/08/08 23:28] (current) – Scott Larson
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 ====== Optic Disc Area ====== ====== Optic Disc Area ======
 +FIXME links
   * Disc Area remains largely stable throughout life but there are ethnic variations   * Disc Area remains largely stable throughout life but there are ethnic variations
   * Normal mean disc area is 2.27 mm² (st. dev ±0.412)   * Normal mean disc area is 2.27 mm² (st. dev ±0.412)
    
 <WRAP round box 60%> <WRAP round box 60%>
-Distribution of Disc Area from Marsh et al. 2010 {{::disc_area.png?600|}}+**Distribution of Disc Area from Marsh et al. 2010** {{::disc_area.png?600|}}
 </WRAP> </WRAP>
  
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 </WRAP> </WRAP>
  
 +====Conditions with abnormal disc area====
 +  * [[optic_nerve_hypoplasia|Optic nerve hypoplasia]]
 +  * [[megalopapilla|Megalopapilla]]
 +====Resources====
 +  * [[https://1drv.ms/b/c/31d83ae8e55e0542/EZGYBWdcTW1GtGVQIFkJqkkBQhyu3-p78HVOswwEmtKfpQ?e=tk9CKA|Marsh BC et al. Optic Nerve Head (ONH) Topographic Analysis by Stratus OCT in Normal Subjects: Correlation to Disc Size, Age, Ethnicity. J Glaucoma 2010;19(5):310-318]]
 +  * [[https://1drv.ms/b/c/31d83ae8e55e0542/Ed8k3dWlVbFHk-W9PSFoU7IBQZFGtZpWRAt9UOrXkzbTbw?e=XfSVCp|Girkin CA et al. Variation in Optic Nerve and Macular Structure with Age and Race with Spectral-Domain Optical Coherence Tomography. Ophthalmology 2011;118:2403-2408]]
 +  * [[https://1drv.ms/b/c/31d83ae8e55e0542/ETuJcb9DSVdBqJHF808IfUUBTppLzYTD6_1mrNPINHwE9w?e=AUbYxt|Table 2 from Girkin et al. Ophthalmology 2011;118:2403-2408]]
 {{tag>optic_disc}} {{tag>optic_disc}}