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case_images: Photograph of the fundus in the case with diabetic macular edema. (A) Color fundus photography. (B) Fluorescein angiography.
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case_images: Color fundus photography and fluorescein angiography revealed an edematous macula and vessel leakage; thus, DME was diagnosed (Figure 1).
case_images: Macular conditions before dexamethasone implantation via optical coherence tomography angiography device. (A) Foveal thickness. (B) Superficial vessel density. (C) Deep vessel density. (D) Foveal avascular zone.
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case_images: For the DME in the right eye, DEX injection was planned for the right eye, and the preoperative evaluation showed a CMT of 385 muM, and a superficial VD of 48.74 percent, a deep VD of 53.12 percent and a foveal avascular zone (FAZ) of 0.165 mm2 (Figure 2).
case_images: Macular conditions one month after dexamethasone implantation assessed an optical coherence tomography angiography device. (A) Foveal thickness. (B) Superficial vessel density. (C) Deep vessel density. (D) Foveal avascular zone.
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case_images: Moreover, a considerably lower superficial VD of 45.97 percent and a deep VD of 45.40 percent were observed with an enlarged FAZ of 0.294 mm2 (Figure 3).
case_images: Macular conditions two months after dexamethasone implantation assessed using an optical coherence tomography angiography device. (A) Foveal thickness. (B) Superficial vessel density. (C) Deep vessel density. (D) Foveal avascular zone.
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case_images: VD further declined in both superficial (40.07 percent) and deep (40.91 percent) areas, while the FAZ measured 0.305 mm2, which was larger than previously observed (Figure 4).