Floaters are relatively transparent, vague, usually curved objects that are seen best when looking at a white piece of paper, blue sky, light colored ceiling, or wall.

• “飞蚊”者就是在看白纸，篮天，光亮的有色的天花板或墙壁时会感觉相对的清楚和模糊，视觉中感觉有异物的阻挡。