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Marcus Gunn phenomenon is an autosomal dominant condition with incomplete penetrance, in which nursing infants will have rhythmic upward jerking of their upper eyelid. This condition is characterized as a synkinesis : when two or more muscles that are independently innervated have either simultaneous or coordinated movements.
A relative afferent pupillary defect (RAPD), also known as a Marcus Gunn pupil (after Robert Marcus Gunn), is a medical sign observed during the swinging-flashlight test [1] whereupon the patient's pupils excessively dilate when a bright light is swung from the unaffected eye to the affected eye. The affected eye still senses the light and ...
After careful observation and planning from specialists, ptosis can be successfully treated. Treatment like surgery will allow the patient to begin experiencing improvement in vision as well as cosmetic results. In a study of patients who were previously treated for ptosis, half required additional surgery within 8 to 10 years of the first surgery.
Facial synkinesis is a common sequela to Idiopathic Facial Nerve Paralysis, also called Bell's Palsy or Facial Palsy. [2] Bell's Palsy, which is thought to occur due to a viral reactivation which can lead (through unknown mechanisms) to diffuse axon demyelination and degeneration of the seventh cranial nerve, results in a hemifacial paralysis due to non-functionality of the nerve.
Marcus Gunn pupil: Robert Marcus Gunn: ophthalmology, neurology: severe retinal disease, lesion of optic nerve anterior to chiasm: Gunn's pupillary phenomenon at Who Named It? Relative pupil dilatation when light swings to the affected side Markle's sign: George Bushar Markle IV: surgery: appendicitis (needed) RLQ pain on dropping from standing ...
She shares videos relating to her condition and has started a Facebook group for people suffering with Marcus Gunn Phenomenon. The group now has over 2,000 members. Mandy, who lives in Long Beach ...
Long-term systemic Immunosuppressive therapy is the main treatment of cancer-associated retinopathy. [5] It can be treated with a combination of chemotherapy and immunosuppression . [ 2 ] Although tumor removal and cancer regression may result in a decrease in circulating autoantibodies, this does not influence CAR progression.
To settle the question of whether the AR pupil is of central or peripheral origin, it will be necessary to perform iris transillumination (or a magnified slit-lamp examination) in a substantial number of patients who have a pupillary light-near dissociation (with and without tonicity of the near reaction), perhaps in many parts of the world.