What causes setting sun sign?
Definition. The “setting sun” sign is an ophthalmologic phenomenon where the eyes appear driven downward bilaterally. The inferior border of the pupil is often covered by the lower eyelid, creating the “sunset” appearance. This finding is classically associated with hydrocephalus in infants and children.
What do sunset eyes indicate?
The setting sun sign (also known as the sunset eye sign or setting sun phenomenon) is a clinical phenomenon encountered in infants and young children with raised intracranial pressure. It is an earlier sign of hydrocephalus than enlarged head circumference, full fontanelle, separation of sutures, irritability vomiting.
What is setting sun phenomenon?
The setting-sun phenomenon is an ophthalmologic sign in young children resulting from upward-gaze paresis. In this condition, the eyes appear driven downward, the sclera may be seen between the upper eyelid and the iris, and part of the lower pupil may be covered by the lower eyelid.
Can sunset eyes be normal?
Background: The setting sun eye is a common sign associated with severe disorders signifying intracranial hypertension. Rarely it can be observed in a healthy infant.
What is Collier’s sign?
Collier’s sign is well known as unilateral or bilateral eyelid retraction due to midbrain lesions. This sign is usually caused by infarction, tumor, multiple sclerosis, neuro-degenerative disease, or encephalitis. We report a case of Miller Fisher syndrome (MFS) which demonstrated Collier’s sign.
What is benign phenomenon?
Benign Sleep Phenomena includes sleep paralysis, hypnagogic hallucinations, hypnopompic hallucinations, and hypnagogic jerks. In isolation, these occurrences are benign and not pathological.
What causes Collier’s sign?
What is fencing reflex?
When a baby’s head is turned to one side, the arm on that side stretches out and the opposite arm bends up at the elbow. This is often called the fencing position. This reflex lasts until the baby is about 5 to 7 months old.
What is Disconjugate gaze?
Dysconjugate gaze is a failure of the eyes to turn together in the same direction.
What is benign myoclonic jerks?
Benign neonatal sleep myoclonus (BNSM) is a self-limiting disorder characterized by neonatal onset myoclonic jerks during non-rapid eye movement (NREM) sleep, and consistent cessation with arousal with absence of concomitant electroencephalographic findings [1].
What is benign myoclonus?
Benign myoclonus of early infancy is a rare condition characterized by nonepileptic spasms that may resemble the epileptic spasms seen in West’s syndrome. The spells in benign myoclonus of early infancy begin before age 1 year and are self-limited.
What is dorsal midbrain syndrome?
Parinaud syndrome is a condition that affects your eyes’ ability to move up and down. It’s also known as dorsal midbrain syndrome. Most cases are related to a problem with a part of your midbrain known as the tectal plate. Several things can cause Parinaud syndrome.