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Fig. 2 | BMC Ophthalmology

Fig. 2

From: High-resolution iris and retinal imaging in multisystemic smooth muscle dysfunction syndrome due to a novel Asn117Lys substitution in ACTA2: a case report

Fig. 2

Colour photographs of the iris showing hypotrophy, loss of iris crypts, radial filiform projections (red box) and a central zone of iris discolouration in the proband (a) and her older sister (b). Infrared reflectance imaging of the proband’s mother’s iris showing partial pupillary constriction and a hyporeflective central zone in the iris suggesting the presence of a dysfunctional sphincter muscle (c). Normal iris has prominent crypts (d). Cross-sectional iris optical coherence tomography (OCT) shows hyporeflective layer anterior to the iris pigment epithelium in the central region of the iris in the proband (e), proband’s older sister (f), proband’s mother (g) and a control subject (h). En face iris OCT angiography of the proband’s older sister (i) showed paucity of iris vessels compared to a control subject (j) and the presence flow signal within a radial filiform projection (red box in i)

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