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Ocular myasthenia. Ocular myasthenia gravis (MG) is a disease of the neuromuscular junction resulting in hallmark variability in muscle weakness and fatigability. MG is an autoimmune disease where anomalous antibodies are produced against the naturally occurring acetylcholine receptors in voluntary muscles. MG may be limited to the muscles of ...
Kearns–Sayre syndrome ( KSS), oculocraniosomatic disorder or oculocranionsomatic neuromuscular disorder with ragged red fibers is a mitochondrial myopathy with a typical onset before 20 years of age. KSS is a more severe syndromic variant of chronic progressive external ophthalmoplegia (abbreviated CPEO), a syndrome that is characterized by ...
Brown syndrome is a rare form of strabismus characterized by limited elevation of the affected eye. The disorder may be congenital (existing at or before birth), or acquired. Brown syndrome is caused by a malfunction of the superior oblique muscle, causing the eye to have difficulty moving up, particularly during adduction (when eye turns ...
Myasthenia gravis is caused by autoantibodies to the postsynaptic acetylcholine receptors. Lambert–Eaton myasthenic syndrome ( LEMS) is a rare autoimmune disorder characterized by muscle weakness of the limbs. It is also known as myasthenic syndrome, Eaton–Lambert syndrome, and when related to cancer, carcinomatous myopathy.
Myasthenia gravis ( MG) is a long-term neuromuscular junction disease that leads to varying degrees of skeletal muscle weakness. [1] The most commonly affected muscles are those of the eyes, face, and swallowing. [1] [5] It can result in double vision, drooping eyelids, and difficulties in talking and walking. [1]
Neuromuscular disease. A neuromuscular disease is any disease affecting the peripheral nervous system (PNS), [a] the neuromuscular junctions, or skeletal muscles, all of which are components of the motor unit. [4] Damage to any of these structures can cause muscle atrophy and weakness. Issues with sensation can also occur.
Signs and symptoms. This disorder is characterized by the adult-onset triad consisting of the following symptoms: sensory ataxic neuropathy, dysarthria, and ophthalmoparesis. MRIS often reveals white matter abnormalities and bilateral thalamus lesions. Other symptoms include generalized myopathy, epilepsy, and deafness.
CMD with brain-eye, also called muscle-eye-brain disease, is a rare form of congenital muscular dystrophy (autosomal recessive disorder) causing a lack of normal muscle tone which can delay walking due to being weak, also paralysis of eye muscles and intellectual disability which affects an individual's way of processing information.