Patients can learn about treatment options at free Dec. 18 seminar Cortlandt Manor, NY - (Dec. 7, 2010) – For most of his life David Ray suffered from chronic sinus infections, pressure and pain, enduring multiple surgeries with no permanent relief. The 57-year-old South Salem resident said all that changed in July when he underwent a procedure known as balloon sinuplasty that is much less invasive than the traditional surgeries he had had in the past. “It’s been very, very successful, much better than I could have even hoped,’’ said Ray, a corporate Vice President for New York Life. “I was…