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Comparison of (a), (d), (g) RNFL thickness, (b), (e), (h) phase retardation, and (c), (f), (i) birefringence between healthy, diabetic, and glaucoma subjects. Reduced retardance is seen in both diabetic and glaucoma subjects compared with healthy subjects. In addition, there is significantly reduced birefringence in diabetic patients.
Source: Reprinted with permission from Desissaire and colleagues. 98
RNFL, retinal nerve fiber layer.
