If you have two of these,
Cartilage Diseases 712-42 Hz
Cartilage Diseases 683-00 Hz
Cartilage Diseases 517-50 Hz
Cartilage Diseases 453-72 Hz
Cartilage Diseases 354-72 Hz
Cartilage Diseases 250-00 Hz
Cartilage Diseases 125-19 Hz
your myopia might improve.
Goodnight. Z.Z.Z.