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Hints for viewing 3-D pictures

Viewing Hints Introduction
3-D Viewing Technique 1
3-D Viewing Technique 2
3-D Viewing Technique 3
Practice 3-D Image
Should I wear my reading glasses?
There seem to be many people who are not able to view Naked Eye 3D Images.  Are there any medical reasons why this might be?
Is it safe to view 3D images?
 



    If you have never seen a 3-D image, don’t despair, you are not alone.  With some practice and a little patience, you can put an end to those "helpful" tips from your friends.  You know the ones, "What you need to do is blur your eyes! .. kinda .." So relax and start exercising that patience and you’ll be enjoying these hidden dimensions along with all of your past acquaintances that you’ve thought of as genetically superior.

   The key to viewing stereographic images is to relax your eyes so that you can achieve the proper focus.  The following techniques, when practiced, will enable almost anyone to view a naked eye 3D image.  We'd like to caution you to practice viewing in moderation to avoid unnecessary eye strain.


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Technique 1
  • First, take a deep breath and relax your eyes.
  • Pick a distant object (about 2 to 3 armslengths away) and focus your eyes on it.
  • Slowly bring the 3-D picture about a foot away from your face.
  • Gaze at the picture without focusing on it, your eyes should still keep the same focus they had when you were looking at the distant object.
  • Slowly move the 3-D picture back and forth (just a few inches) without trying to focus on it.
  • The image should appear.  This may take several minutes, if you are trying this for the first time.

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Technique 2
  • Bring the picture to your nose.
  • Relax your eyes.
  • Very slowly, pull the picture away to normal viewing distance (1-2 feet away).
  • Without trying to refocus on the picture and with your eyes relaxed the image should appear.

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Technique 3
  • Place the picture on a table and position your head so that you are facing the picture directly.
  • Position an envelope or postcard perpendicular to the picture, cutting it in half vertically as if there was a wall separating the two halves.
  • Stare blankly at the image.
  • Without changing the "blank" look, move away from the picture while keeping the postcard between your eyes as a divider.
  • The hidden image should slowly come into focus.

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Practice 3-D Image

   Using any of the above techniques, try your luck with this sample image.  With a little patience you should be able to view the image directly on your monitor.  The letters "3-D" should appear to jump out of the picture.  Enjoy!


Sample 3-D Image



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Should I wear my reading glasses?

   Yes.  If you normally wear glasses or contact lenses, you should keep them on when looking at these images.


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There seem to be many people who are not able to view Naked Eye 3D Images.  Are there any medical reasons why this might be?

   Yes.  A very small proportion of people -- about 2 percent of the population -- lack the ability to see depth altogether.  If you lack the ability to see depth, you won’t be able to see Hidden Dimensions pictures.  But don’t assume you lack the depth perception just because you can’t stereoview! About 30 percent of all people have a difficult time seeing these depths, yet they have perfectly good depth perception.


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Is it safe to view 3D images?

   Yes.  Stereoviewing as described in these methods can improve your eye control and strengthen eye muscles, in fact it resembles certain eye exercises that ophthalmologists may prescribe to correct mildly crossed eyes.  However, if you have a medical condition known as wandering eye or lazy eye, meaning that one eye is turned inward or outward, or a history of strabismus, then you should consult your ophthalmologist.  If you find yourself straining your eyes, or if your eyes feel tired and ache, or if the area around your eyes aches, you should stop what you are doing and try again another time.  Stereoviewing these images properly should be a relaxing experience.


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