![Amazon.com: 60th Birthday Glasses - Number Crystal Frame, Party Favors, Wedding, Funny Costume Sunglasses, Novelty Eyewear Celebration Decoration for Kids and Adults 6 Pack (60) : Home & Kitchen Amazon.com: 60th Birthday Glasses - Number Crystal Frame, Party Favors, Wedding, Funny Costume Sunglasses, Novelty Eyewear Celebration Decoration for Kids and Adults 6 Pack (60) : Home & Kitchen](https://m.media-amazon.com/images/I/7145mgpKYGL._AC_SS450_.jpg)
Amazon.com: 60th Birthday Glasses - Number Crystal Frame, Party Favors, Wedding, Funny Costume Sunglasses, Novelty Eyewear Celebration Decoration for Kids and Adults 6 Pack (60) : Home & Kitchen
Column: Why are glasses so expensive? The eyewear industry prefers to keep that blurry - Los Angeles Times
![Amazon.com: 60th Birthday Glasses - Number Crystal Frame, Party Favors, Wedding, Funny Costume Sunglasses, Novelty Eyewear Celebration Decoration for Kids and Adults 6 Pack (60) : Home & Kitchen Amazon.com: 60th Birthday Glasses - Number Crystal Frame, Party Favors, Wedding, Funny Costume Sunglasses, Novelty Eyewear Celebration Decoration for Kids and Adults 6 Pack (60) : Home & Kitchen](https://m.media-amazon.com/images/I/61rM3C6BQdL._AC_SL1001_.jpg)