PMC9355662_01
(A) Appearance on admission. (B) Appearance at month 3.
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Physical examination revealed ecchymosis with edema in the injection area, lid ptosis, conjunctival congestion, blunt light reflex, limited eye movement, dilated pupil and no light perception in the left eye (Figure 1A). After three months, the ocular appearance and eye movement were completely healed, retinal edema disappeared, and FVEP showed wave peak delay and normal amplitude, while visual acuity did not change (Figures 1B, 2B, 2C and 3B).
(A) Fundus photograph on admission: branch retinal arteries were segmented or absent (arrowheads). (B) Fundus photograph (posterior pole) at month 3: superior nasal arteriole of retina was recanalized (arrowheads). (C) Fundus photograph (above the optic disc) at month 3: superior nasal arteriole of retina was recanalized (arrowheads).
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Flash visual evoked potential (FVEP) showed wave peak delay and amplitude reduction in the left eye (Figures 2A and 3A). After three months, the ocular appearance and eye movement were completely healed, retinal edema disappeared, and FVEP showed wave peak delay and normal amplitude, while visual acuity did not change (Figures 1B, 2B, 2C and 3B).
(A) Flash visual evoked potential on admission. (B) Flash visual evoked potential at month 3.
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Flash visual evoked potential (FVEP) showed wave peak delay and amplitude reduction in the left eye (Figures 2A and 3A). After three months, the ocular appearance and eye movement were completely healed, retinal edema disappeared, and FVEP showed wave peak delay and normal amplitude, while visual acuity did not change (Figures 1B, 2B, 2C and 3B).
(A) Digital subtraction angiography image shows the segmental changes of the left ophthalmic artery (arrowheads). (B) Recanalization of the ophthalmic artery and its partial branches. (C) Digital subtraction angiography image after the second IATT.
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After an emergency IATT with 1500U hyaluronidase and 30mg papaverine superselected to the opening of the left ophthalmic artery, digital subtraction angiography revealed that the blood flow of the embolized ophthalmic artery was significantly accelerated (Figure 4A and B). The next day, we performed the IATT again (Figure 4C).