Next tonight our "real money" team is back. Americans spend a whopping 33 billion dollars every year on prescription glasses and contact lenses. Abc's paula faris decided it was time to show us how the family can save hundreds of dollars. Reporter: This woman is sharing at the inevitable. Sometimes I squint when I'm looking at the computer. Reporter: Glasses for herself and her two kids. What kind of lenses could you see her in? Something with a little flare at the end. Reporter: Yet this san francisco mom is looking at a steep price tag. Optometrist dr. Nickey says new specks don't have to leave you looking for more cash. Tip number one get started op her app called izam. What number do you see? 71. Look again. 74. Perfect. Reporter: It takes you through a series of six tests. Reporter: The purpose is to motivate you to go in and get that eye exam. Reporter: It finds local optometrists and discounts in your area. Also did you know you could get an eye exam at costco where it's one third less than the national average of $90. Tip number two, don't get stuck buying your glasses at the optometrists office. By law they have to give you your prescription so take it and shop around. Brands like warby parker operate primarily online so they can keep prices low. The last pair got stepped on. Who paid for the replacement? Reporter: You can up load your photo and try them on. Here they are all trying on computer generated glasses. We found some for just 7 bucks. Number three, find great offers on this website, all about vision.Com. It's where we found deals on frames, eye drops and this $100 rebate for contact lenses. Seeing clearly, this family can save about $600 this year. That's real money. Reporter: Back to that glasses that start at $7. They can sell them so inexpensively because it's their own brand, there is no middle mind and they don't advertise. The only caveat is you have to fit them yourself. You do that and you do it online. Yes, and they give you instructions as well. Paula, once again saving a