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Lesions anywhere in the abducens nucleus, cranial nerve VI neurons, or interneurons can affect eye movement towards the side of the lesion. Lesions on both sides of the abducens nucleus can cause a total loss of horizontal eye movement. [6] One other type of gaze palsy is a horizontal saccadic palsy.
Hormone replacement therapy for women going through menopause has been found to be associated with dry eyes, [13] which in turn is associated with blepharospasm. Blepharospasm can be caused by concussions in some rare cases, when a blow to the back of the head damages the basal ganglia. [36] Blepharospasm is associated with exposure to the sun ...
Ocular ischemic syndrome is the constellation of ocular signs and symptoms secondary to severe, chronic arterial hypoperfusion to the eye. [1] Amaurosis fugax is a form of acute vision loss caused by reduced blood flow to the eye; it may be a warning sign of an impending stroke, as both stroke and retinal artery occlusion can be caused by thromboembolism due to atherosclerosis elsewhere in the ...
Changes in the eye can help predict other health concerns in the body, such as diabetes and high blood pressure. A new study has identified a set of 29 vascular health indicators on the retina ...
Dara Lehon saw spots, blurriness with migraine. PFO caused her rare eye stroke, retinal artery occlusion. Eye stroke is painless, quick loss of vision in 1 eye.
Cortical blindness can be acquired or congenital, and may also be transient in certain instances. [2] Acquired cortical blindness is most often caused by loss of blood flow to the occipital cortex from either unilateral or bilateral posterior cerebral artery blockage (ischemic stroke) and by cardiac surgery. [2]
The symptoms of vestibulocerebellar syndrome vary among patients but are typically a unique combination of ocular abnormalities including nystagmus, poor or absent smooth pursuit (ability of the eyes to follow a moving object), strabismus (misalignment of the eyes), diplopia (double vision), oscillopsia (the sensation that stationary objects in the visual field are oscillating) and abnormal ...
Semaglutide can raise your risk of dry eye and cause changes in vision, so your doctor may recommend you start artificial tears or change your glasses prescription, if you wear them, he says.