useful for some refractive corrections - value: + 0.50, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 6.00, 8.00, 10.00, 12.00, 14.00, 16.00 - lens are sold individually - approx. size: 2.5 inch diameter
uses for Press-On Spheres:
- Sunglasses: converts non-corrective sunglasses to single vision for temporary use

- Diver's Masks, ski or swim goggles: adds correction to Plano lenses by applying to inside surface

- Hobby / Sports: apply small sphere segments for magnification to read golf score cards, tying fishing flies, stamp collection, etc.
- Welding mask

3M™ Press-On™ Optics are useful for some refractive corrections and you can use both types of optics for either temporary or long term corrections - apply a Press-On sphere to the back surface of one or both lenses of the patient`s eyeglasses with just water - it can be applied to the entire lens or to any region of the lens

Material: Polyvinyl Chloride - thickness: 1mm - diameter: 63.5 mm - units/Package: 1 Lens