If you have rare genetic diseases that promote fibromatosis,
glioma retinal 550 680 870 7500 1361(sq) 4000(sq) 9000(sq) Hz
Fibromyoma 850 980 1800 1753(sq) Hz
Neurofibromatoses 170 350 830 7500 1152-9(sq) Hz
All of these frequencies will work for blur vision.
Good luck.
