All products containing Chlorhexidine CAN be harmful at high concentrations. It doesn't matter the product name or what else is added to the chemical. All of the chemicals you listed contains Chlorhexidine, which is the chemical that causes the risks. You can easily confirm this by typing in "Chlorhexidine deafness", etc.
I did forget to add that it's in a high concentration, but the chemical Chlorhexidine with or without any other additive can cause deafness/corneal ulcers.
Admittedly, in a very diluted form, it can be used for contact lenses cleaner.
I would still probably suggest that you not get it near your ears or eyes.
http://www.healthatoz.com/healthatoz...ntiseptics.jsp
http://www.drugs.com/ppa/chlorhexidine-gluconate.html
http://en.wikipedia.org/wiki/Chlorhexidine