HOME-X Clip-On Magnifier for Glasses with Pouch, Magnifying Lenses for Crafting and Hobbies, Clip-On and Flip-Up, 2.0 Magnification, 5" L x 1 ½” W x ¾" H : Amazon.co.uk: Stationery & Office
Clip-on Eye Glasses Binocular Magnifier Eyeglasses With 3 Lens 1.5X,2.5X,3.5X LS | eBay
Clip On Flip Up Magnifying Reading Glasses Magnifiers Lenses +2.0 +3.0 +4.0 | eBay
Good Ideas Flip Up Clip on Magnifier Lenses for Glass or Spectacles. 2.5 Magnifying Power : Amazon.co.uk: Stationery & Office Supplies
Carson Clip On & Flip 1.5x Magnifying Glasses – Maddisons UK