A Case of Ocular Ischemic Syndrome Due to Untreated Type 2 Diabetes Mellitus for Over 20 Years

Fujita Yohei, Ohmoto Mayu, Hata Masahisa, Fujikawa Kei, Shimizu Sayoko, Fujiki Noritaka, Uchihori Yasutaka, Umayahara Yutaka

doi:10.11213/tonyobyo.62.487

<p>A 67-year-old man had been found to have hyperglycemia during a routine health examination at 40 years of age; however, he neither underwent treatment nor consulted a medical professional. He presented to our hospital with chief concerns of visual impairment and pain in the left eye. On an ophthalmologic examination, iris rubeosis and diabetic retinopathy were detected in his left eye. Carotid ultrasonography revealed obstruction of the left internal carotid artery; thus, the patient was diagnosed with ocular ischemic syndrome. Because of the untreated type 2 diabetes mellitus, he was admitted to our department, and insulin therapy was started; simultaneously, interventions for hypertension, dyslipidemia, and a smoking habit were initiated for the patient. Superficial cranial artery-middle cerebral artery anastomosis was performed at the Department of Neurosurgery in our hospital. Although the blood flow to the ocular artery improved, the left eye became blinded due to neovascular glaucoma and a hypermature cataract. The differential diagnosis of ocular ischemic syndrome is often difficult in patients with diabetic retinopathy or central retinal vein occlusion. Treating physicians should consider the presence of ocular ischemic syndrome if the severity of diabetic retinopathy differs in the right and left eyes or transient visual acuity declines.</p>

A Case of Ocular Ischemic Syndrome Due to Untreated Type 2 Diabetes Mellitus for Over 20 Years

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