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Fig. 2  | BMC Ophthalmology

Fig. 2 

From: Macular perfusion density evaluation in constant and intermittent exotropia by means of optical coherence tomography angiography

Fig. 2 

FAZ from 3×3-mm scan in both eyes of a XT patient and a control case. A FAZ scan in the study eye of a case in the XT group (area: 0.277 mm2, perimeter: 2.012 mm, AI:1.08). B FAZ scan in the contralateral eye of the same case (area: 0.256mm2, perimeter: 1.931 mm, AI:1.11). C FAZ scan in a control individual (area:0.236 mm2, perimeter:1.855 mm, AI:1.08). (FAZ, foveal avascular zone; XT, constant exotropia; AI, acircularity index)

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BMC Ophthalmology

ISSN: 1471-2415

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