| 摘要 |
According to one aspect, the fibers of a relatively weak muscle to be strengthened are exposed to a local anesthetic drug such as bupivacaine. The concentration and volume of the local anesthetic drug are sufficient to causes the muscle to enlarge and become stronger. In one embodiment, the increased strength of the treated muscle improved the position and the movement of the eye to which it was attached. The local anesthetic drug may be injected into the fibers of the muscle or infused around the muscle.
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