I had an ear infection witch turned into conjunctivitis a year an a half ago im still contagious yet my optometrist thinks im fine?

Contagion is unclear: Often the same germs that cause an ear infection will also be responsible for a sinus infection and conjunctivitis, but the infection usually completely resolves with Rx or time. Eventually an individual may become immune to these bacteria and no longer get ill from them but could still be present and potentially pass them to others, ie, be a "carrier." This is common with strep throat germs.