Paramyotonia congenita is diagnosed and treated by neurologists.

Paramyotonia congenita is believed to be caused by a defect in the chloride channels of the muscles.

Paramyotonia congenita is an inherited condition that causes stiffness and enlargement of muscles, particularly leg muscles.

Ectopia lentis is the medical term for dislocation of the lens of the eye.

Symptoms of paramyotonia congenita include stiffness and enlargement of various muscle groups, particularly those in the legs.