What are stereograms? How can I see the effect?

Stereograms .You may be one of those who detest them because you are never able to see anything, while others, gloat before all those hidden figures that discover them only by looking at these drawings for a few seconds, how do they do it? How do stereograms work? The truth is that these types of drawings that play with the optical illusions are already many years old, and to solve them, it is enough to learn to "blur the view".

We explain to you how.Join us in Science Daily Online and test your vision!

The magic of stereograms

A stereogram is a drawing or three-dimensional object that is represented in a flat surface, such as on a sheet or even on this monitor of your mobile or on your computer, where right now, you see these images, wondering what they hide.To hide, they do it through several projections helping with what is known as «stereoscopy», that is to say, appearing to have volume when in fact it is not like that.It is, then, an entire hidden optical illusion and in turn, a way to also challenge our brain, because it It looks like something clearly three-dimensional, when it really isn't.

What are stereograms? How can I see the effect?

Now, but how to see them? Do I need maybe 3D glasses to discover these hidden drawings? Some people are a Authentic expert and a whole "diploma" in the art of stereograms, but many of us despair at the inability to see "something" .So, don't worry, here are some small guidelines for you get it.

What are stereograms? How can I see the effect?

-Now you're in front of your computer monitor, so you'll have to be careful not to strain your eyesight too much, however, you can achieve it equally.Start by fixing your gaze at a point without obsessing yourself , resting on it without focusing, calmly but without removing it from that small region of the drawing.

What are stereograms? How can I see the effect?

-Now, go separating yourself from the monitor very slowly , so that you establish a distance of half a meter with the The hidden drawings should emerge when you least expect it, because what you have actually done is to converge your eyes to a specific point, far from "blurring" what we do is point the vision to an unusual place to go shaping the "virtual image".It's a matter of patience, don't worry.

What are stereograms? How can I see the effect?

One thing to keep in mind is that as scientists and doctors explain to us, 8% of the population does not have« vision stereoscopic », that is, it is incapable of appreciating these figures in three dimensions, and generally, they are people who can live their whole lives without knowing it.

The causes can be many, but it is usual that it is due to the classic strabismus or even an amblyopia (lazy eye), or it may be due to very small graduation differences between both eyes and of which we are barely aware However, if you undergo periodic vision checks, your ophthalmologist or optometrist will indicate it to you.

And now tell us what figures have you seen in the images that we have shown in this article If you liked this topic, discover more about your vision: Do you know what eye colors exist in the world?

Image: easybit2000, Angel D and Franganillo

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