Dientamoeba is suppose to only infect the lower intestines, but this set of frequencies do improve blur vision,
Dientamoebiasis 70 Hz
Dientamoebiasis 370 Hz
Dientamoebiasis 830 Hz
Dientamoebiasis 2500 Hz
Dientamoebiasis 1953-1 Hz
Dientamoebiasis 6250 Hz
Dientamoebiasis 3000 Hz
Dientamoebiasis 8756-9 Hz
Dientamoebiasis 3750 Hz
Dientamoebiasis 5753-1 Hz
and
Dientamoebiasis 370 830 2500 Hz
What gives? Maybe Dientamoebae also infect the eye orbits.
Good luck.