Double vision, or diplopia, occurs when a person sees two images instead of one. Performing certain eye exercises may help to reduce double vision in some cases. When a person has double vision, the ...

Any time you can distinctly see a duplicate or shadow of the primary thing that you’re looking at, you’re experiencing double vision. Double vision typically affects both of your eyes at the same time ...

Using wearers' actual prescription, the HOYA Vision Simulator provides a highly accurate, 3D vision experience, visualising the optical effects of the various lens designs and treatments. HOYA erases ...