read what i wrote, i was saying is that if you want a dental or vision plan, you first must have a health plan set up. i dont think you can JUST do a vision or dental plan by themselves.
I had read what you wrote, I am saying you are incorrect
http://www.opm.gov/insure/dental/index.asp
"Employees must be eligible for the FEHB Program in order to be eligible to enroll in Federal Employees Dental/Vision Program (FEDVIP). It does not matter if they are actually enrolled in FEHB - eligibility is the key. "