Mohammed O. Hassan

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AIMS To relate dynamic properties of eye movements to visual disability in a patient with chronic progressive external ophthalmoplegia (CPEO) due to mitochondrial DNA deletion. METHODS Visual function was evaluated by neuro-ophthalmological examination and visual function index (VF-14). Eye movements were measured using the magnetic search coil technique.(More)
OBJECTIVES To determine the reference values of arterial stiffness indices, particularly augmentation index (AIx) and pulse wave velocity (PWV) using applanation tonometry in a healthy Omani Arab population. METHODS This prospective study was carried out in the Department of Clinical Physiology, Sultan Qaboos University Hospital, Muscat, Oman over a(More)
Sleep apnea is a complete or partial cessation of breathing during sleep. Obstructive sleep Apnea (OSA) is the common form of apnea that occurs when the upper airway is partially or completely obstructed due to the relaxation of dilating muscles. In developed countries the cost of investigating patients has increased considerably during the last decade as(More)
Clinic cuff blood-pressure measurements, obtained on at least three occasions, were compared with mean arterial pressures in 59 patients with borderline or essential hypertension who underwent direct ambulatory monitoring of blood pressure. In 22 patients (group I) mean cuff and ambulatory pressures were similar (+/- 10 mm Hg) while in 32 subjects (group(More)
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