The Orbital Veins
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA The orbital venous system is complex, highly variable, and confusing. In the…
Blood Supply of the Optic Nerve Head
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA Optic nerve head (ONH) circulatory disorders together constitute one of the most…
Retinal and Choroidal Blood Flow
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA Vascular disorders of the retina and choroid are common. For understanding their…
Amaurosis Fugax in Ocular Vascular Occlusive Disorders
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA Amaurosis fugax is a transient brief blindness, dimming, fogging, or blurring of…
Hemicentral Retinal Artery Occlusion
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA In my anatomical study of 106 human central retinal arteries (CRAOs) [1,…
The Retinal Capillaries
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA The capillary bed is the most important component in the entire vascular…
The Cilioretinal Arteries
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA The cilioretinal arteries belong to the posterior ciliary artery system. They usually…
Clinical Evaluation of Patients with Ocular Vascular Occlusive Disorders
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA In my Ocular Vascular Clinic at the University of Iowa Hospitals and…
The Blood-Retinal Barrier
(1) Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, IA, USA The subject of the blood-retinal barrier (BRB) is important in understanding the…
Infections of the Posterior Segment: Ocular Tuberculosis
Fig. 9.1 Slit-lamp biomicroscopy of a 42-year-old woman with strongly positive tuberculin skin test (24 mm induration) shows mutton-fat keratic precipitates and posterior synechiae Fig. 9.2 Slit-lamp biomicroscopy of a…
