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Effect of age and disc size on rim order rules by Heidelberg Retina Tomograph.
Nayak Natasha V, Berezina Tamara L, Fechtner Robert D, Sinai Michael J, Khouri Albert S
J GlaucomaJan 201512 citationsCross-Sectional Study
HRT measurements showed the ISNT rule for neuroretinal rim area is rarely met (18%) in normal eyes. Larger discs violate it more, but IS and IST rules are more common, impacting glaucoma diagnosis.