"Play with scale by incorporating polka dots of varying sizes, whether irregular or arranged in a grid-like pattern," he says. As your eye moves throughout a space, pattern sprinkling polka dots ...

Those dots disappear and reappear as your eye jitters ... There’s also another thing that could be going on. If you look at the grid pattern closely, you might be able to see faint white squares ...

An Amsler grid, also known as ... straight lines in a grid pattern. The lines form very small squares that measure 5 millimeters on each side. There’s a dot to mark the center.

Get enough dots together and your faulty eyeballs start seeing things. With random dot patterns, a simple move of the dots by a few degrees can create trippy concentric circles or wild swirls that ...

The pages are made of fine grain paper, softly etched with a dot grid pattern that's ideal for letters and drawings alike. Use any Pilot FriXion line pen, and you can smoothly write in its pages.