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Τετάρτη 14 Δεκεμβρίου 2016

Combined central retinal vein and branch retinal artery occlusion in hyperhomocysteinaemia

Description

A woman aged 30 years reported of blurred vision in the right eye (RE) for 2 days. Visual acuity was 6/24 in the RE and 6/6 in the left eye (LE). Funduscopy of RE showed combined non-ischaemic central retinal vein occlusion (CRVO) and supero-temporal branch retinal artery occlusion (BRAO) (figure 1A). LE examination was normal. Optical coherence tomography (OCT) of the RE showed thickening of inner retinal layers corresponding to the area of BRAO (figure 1A: white arrow). Thorough systemic investigations and cardiac workup revealed raised serum homocysteine levels (37.21 μmol/L). She was started on oral folic acid and pyridoxine. Over the next 6 months, her visual acuity improved to 6/12 with clearing of retinal whitening and resolution of retinal haemorrhages (figure 1B–D).

Figure 1

Funduscopy of the right eye (RE) showing dilated torturous retinal veins with multiple retinal haemorrhages in all four quadrants...



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