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Idiopathic intracranial hypertension

Key Highlights Idiopathic intracranial hypertension (IIH) is a disorder of increased intracranial pressure in an alert and oriented patient. The most popular hypothesis is that IIH is a syndrome of reduced cerebrospinal fluid absorption.Clinical features include headaches, pulse-synchronous tinnitus, transient visual obscurations, visual loss, neck and back pain, and diplopia.Signs include papilledema, sixth nerve paresis, and disturbances in sensory visual function. Visual field loss is ubiquitous, and the prototype pattern for early loss is enlargement of the blind spot and…

Current pharmacologic testing for Horner syndrome

Mansoor Mughal, Reid Longmuir Affiliation 1The University of Iowa Hospitals and Clinics, Department of Ophthalmology and Visual Sciences, IA 52242, USA. PMID: 19664368DOI: 10.1007/s11910-009-0056-z Abstract First described in 1727, Horner syndrome occurs from injury to one of the three neurons in the oculosympathetic pathway. Its presence can be confirmed with pharmacologic testing, traditionally including cocaine testing with hydroxyamphetamine localization. More recently, apraclonidine testing has become a viable alternative in some practices. Concern has been raised regarding the possibility of false-negative results with apraclonidine…

The Yamane technique optimized. A modification of the highly regarded approach to intraocular lens scleral fixation.

Edited by Paul Hahn, MD, PhD By Mansoor Mughal, MD, and Sumit P. Shah, MD, FACS Techniques to place intraocular lenses  in the absence of adequate capsular support continue to be an important part of the vitreoretinal surgeon’s armamentarium. Shin Yamane, MD, pioneered a modification of sutureless intrascleral IOL fixation using needles to dock and externalize the haptics.1 Here, we describe our approach to optimize the procedure.  Key steps • The setup. A toric marker is important to mark the 3 and…

Unilateral vascular abnormality: A case of peripheral retinal arteriolar
tortuosity associated with a prepapillary vascular loop

ABSTRACTPurpose: To report a case of unilateral prepapillary vascular loop along with peripheral third order retinalarteriolar tortuosity in the same eye, and to discuss potential diagnostic considerations.Observations: Color fundus pictures and wide-angle fluorescein angiography (FA) demonstrated a pre-papillaryvascular loop and a region of retinal arteriolar tortuosity in third order arterioles superotemporally in the lefteye. The examination and ancillary testing on the right eye were normal.Conclusion and Importance: The vascular abnormality in this case does not fit a pattern present in…

Quantitatively Characterizing Irido-Trabecular Contact (ITC) Using Anterior Segment Optical Coherence Tomography (AS-OCT) Images

 Purpose:  To determine the relationship between ITC measured using AS-OCT and gonioscopy  Methods:  A retrospective chart review of gonioscopy and AS-OCT images (Casia SS-1000, Tomey, Nagoya, Japan) between September 2010 - August 2011. Eyes which had previous ocular surgery or intraocular injections were excluded. Age, sex, race, and Shaffer gonioscopy grade were recorded. 2D scan images were reviewed by 2 readers using proprietary software to determine the scleral spur location (SS) and the end of the angle opening (EAO) at…