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Year : 2020  |  Volume : 58  |  Issue : 1  |  Page : 20-26

Ocular ischemic syndrome

1 Department of Uvea Services, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Puducherry, Tamil Nadu, India
2 Department of Uvea Services, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Salem, Tamil Nadu, India

Correspondence Address:
Dr. Bharat Gurnani
Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Puducherry - 605 007
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tjosr.tjosr_116_19

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Carotid occlusive disease is frequently associated with ocular involvement among which ocular ischemic syndrome (OIS) is one of the most challenging. OIS is a severe form of chronic ischemia of the anterior, posterior segments of the eye, and other orbital structures supplied by the ophthalmic artery. The diagnosis of OIS may be difficult to make because of its variable presentations. In patients with known cerebrovascular or cardiovascular disease, a careful examination should be done to look for the presence of ocular involvement. Once identified, a variety of noninvasive and invasive techniques may be employed to determine the degree of stenosis, and an appropriate treatment plan can be initiated. The first signs of carotid occlusive disease may be observed in the eye before they are observed in the cerebrovascular system, and thus, the ophthalmologist has a major role in the proper diagnosis and prompt referral. Although the prognosis for OIS is poor, early recognition and treatment of patients with carotid occlusive disease may help reduce mortality. In this article, we aim to present an overview of the current knowledge on OIS based on an extensive review of recent studies.

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