1. US6640379(B1) - Attachable eyeglass wipers
2. GB1286783(A) - SPECTACLES, GOGGLES AND THE LIKE
3. http://www.seihin-world.com/s/2004/12/21_0052.php - Wiper Sunglasses
4. US4789233(A) - Eyeglass wipers
5. US6722766(B1) - Eyewear with attached wiping apparatus
6. GB2177290(A) - A pair of spectacles or goggles with wipers