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It is a binocular cue.
The two binocular depth cues are retinal(binocular) disparity and convergence. They help us judge reality by giving us a perception of how far away an object is.
Retinal disparity
disparity
The tip of the cue is provided with a multi-layered leather tip on its end that allows better contact with the cue ball. Without a properly maintained cue tip, a player cannot have proper cue ball control, one of the most important features of the game.
The plural of disparity is disparities.
The prefix of "disparity" is "dis-".
Retinal veins are larger than retinal arteries. Retinal veins are between 2/3 to 3/4 times larger than the arteries of the retina. Retinal vein are also darker red then the arteries.
No. There are almost no opportunities for the average person to have the cue contact the cue ball on the horizontal in a game of pocket billiards or pool. In nearly all shots, the butt of the cue must be raised slightly. And for most shots, cue ball control becomes an important part of the shot, requiring that contact be made off center as well, very often below or above center and not horizontally.
Unknown. Many pool cues are inlaid with mother of pearl, and this alone has no impact on the cue's value. The workmanship, intricacy, condition, and age of the cue are the most important factors. In addition, cues made by well known craftsmen can increase the value of the cue significantly.
retinal breaks or detachments; retinal ischemia (retinal tissue that lacks oxygen); neovascularization (proliferation of blood vessels in the retina); Coats' disease
Till's case became a symbol of the disparity of justice for blacks in the South