Search results
Results from the WOW.Com Content Network
Some describe seeing one or more shimmering arcs of white or colored flashing lights. An arc of light may gradually enlarge, become more obvious, and may take the form of a definite zigzag pattern, sometimes called a fortification spectrum (i.e. teichopsia , from Greek τεῖχος, town wall), because of its resemblance to the fortifications ...
Coded 290.10 in the DSM-IV. 294.8: Dementia NOS: 294.xx: Dementia of the Alzheimer's type, with early onset: Coded 290.xx in the DSM-IV. 290.10: Dementia of the Alzheimer's type, with early onset, uncomplicated: Included only in the DSM-IV. 294.11: Dementia of the Alzheimer's type, with early onset, with behavioral disturbance: Included only in ...
Illusory palinopsia is often worse with high stimulus intensity and contrast ratio in a dark adapted state.Multiple types of illusory palinopsia often co-exist in a patient and occur with other diffuse, persistent illusory symptoms such as halos around objects, dysmetropsia (micropsia, macropsia, pelopsia, or teleopsia), Alice in Wonderland Syndrome, visual snow, and oscillopsia.
Photopsia is the presence of perceived flashes of light in the field of vision. It is most commonly associated with: [4] posterior vitreous detachment; migraine aura (ocular migraine / retinal migraine) migraine aura without headache; scintillating scotoma; retinal break or detachment; occipital lobe infarction (similar to occipital stroke)
Cephalic aura, a perception of movement of the head or inside the head [24] Abdominal aura, such as an epigastric rising sensation [25] Nausea [26] Numbness or tingling (paresthesia) [27] Weakness on one side of the body (hemiparesis) [28] Feelings of being separated from or floating above one's body (dissociation) [29]
Xanthopsia is a color vision deficiency in which there is a dominantly yellow bias in vision due to a yellowing of the optical media of the eye. The most common causes are digoxin's inhibitory action on the sodium pump, and the development of cataracts which can cause a yellow filtering effect.
Dementia is a devastating condition that impacts up to 10 percent of older adults. And while there's no cure, getting diagnosed early can help patients get on a treatment plan and families prepare.
[1] Peduncular hallucinosis ( PH ) is a rare neurological phenomenon that causes vivid visual hallucinations that typically occur in dark environments and last for several minutes. Unlike some other kinds of hallucinations, the hallucinations that patients with PH experience are very realistic, and often involve people and environments that are ...