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.
1 The middle layer is the choroid. 2  The front of the choroid is the colored part of the eye called the iris. 3  In the center of the iris is a circular hole or opening called the pupil. 4  The inner layer is the retina, which lines the back two-thirds of the eyeball. The slight bulge in the sclera at the front of the eye is a clear, thin, dome-shaped tissue called the cornea. 2  See a picture of the cornea. 3  The middle layer is the choroid. 4  The front of the choroid is the colored part of the eye called the iris. 5  In the center of the iris is a circular hole or opening called the pupil.