Abstract
The effects of Argon Laser irradiation to the inner ear of the monkey were studied morphologically. Argon Laser was introduced to the saccule and the utricle through the oval window after stapedectomy. The hair cell and supporting cell of the maculae were destroyed without rupturing the saccular wall and utricular wall, nerve fiber to the maculae and ganglion cells were decreased ten weeks after irradiation.
