Blue Tarantulas. In a way itâs a shame that most people think of the standard Chile Rose Haired and the Curly Haired spiders when they think of tarantulas because many people think that all tarantulas are a boring brown color. Of course this couldnât be further from the truth and if you know what species to look [â¦]
Answer: The black dot in your eye is called a pupil, it contracts and widens to regulate the amount of light entering the eye. It is really just a hole in the center of yo â¦ ur eye that allows light to pass through, that is really it. + 6 others found this useful. Sharon Robinson.
The pupil is the opening (or black dot) in the center of the iris that regulates the amount of light received by the eye. The inner nervous tunic of the back of the eye is the retina. The retina acts like the film in a camera and transmits electrical images through the optic nerves to the brain.