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Sight and touch are not directly connected, but they are both integral in communication with the world around us. We look at an object and then touch it to experience what it feels like; an object that looks like it should feel hot, but feels cold, causes a mental disconnect. Understanding an object usually requires both touch and feel; a person who can see often can't identify things by touch, because their sense of touch is not trained to understand a shape, only to manipulate it. Blind people must use touch to "see" objects, and to understand what they look like and how they work with the world. A sighted person can be blindfolded and handed a common object, such as an unopened tissue-box, and not identify it, because the use of the object is not immediately apparent. Once the sense of touch identifies some sort of use, identifying the object becomes easier; without seeing a thing, it is harder to know what a touched material is, what it is used for, and how to use it.
Conversely, a thing that looks like one thing might feel like another; hedgehogs and porcupines look soft, but contain sharp quills, and a hot stove might not be red-hot, and so look cold until touched. Sight allows a person to rapidly identify dangerous objects, and touch allows a person to manipulate them. Sight offers a faster identification system, while touch offers the ability to change an object and experience it directly.
NO! I tried but I could touch the tip of the pen, keeping my one eyes closed.
I think your fingers vibrates, that is why you cannot do such a simple thing.
try toching a tip of a pen with your 1 eye closed.
you cannot touch it because both of eyes work together to create a 3d image of our suroundings in our brain and therefore we are able to see touch objects as a 3d image is already prepared in our brain.
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