“…The mechanism by which BP rises in RVH is explained by the activation of the renin-angiotensin-aldosterone system (RAAS) in the kidney due to renal ischemia originated from the narrowing of the renal artery [6]. The RAAS activation not only stimulates renin but also stimulates aldosterone, causing a mixture of renin-dependent and Abstract A 64-year-old man visited our hospital with complaints of misty vision and ophthalmalgia.…”