[Music]
Hello, my little lights of the future.
Hello Dr. O.D.!
Today, we're going to talk about
a very important aspect of vision:
stereoscopy, or three-dimensional (3D) vision.
Watch the board!
stereoscopy is what's commonly referred to as 3D vision.
3D vision enables children to perceive depth,
and it assures us that their eyes are working well together.
To get an idea of what 3D vision is,
think of the cinema and 3D movies.
We put on special glasses, so that we can see
characters or objects in relief.
At a vision screening, optometrists use the Titmus test
to check children's stereoscopy.
Children are asked to wear glasses,
similar to those at 3D movies,
and to point to the animals that appear to stick out.
That's all for stereoscopy!
In closing, remember that in Quebec,
eye tests are free for children up to age 17.
Stereoscopy (3D Vision) Signs and Effects
A decrease or loss of three-dimensional vision
can have an impact on learning.
Children may show signs
such as working with one eye closed,
or holding a hand over one eye
to better see the elements of the task at hand.
In younger children, these signs may be observed
when they are playing with building blocks
or performing tasks such as threading or cutting.
These children may appear clumsy, have poor balance,
hesitate when going from one place to another,
be fearful of stairs, and be less active
in the schoolyard or gym.
Did you understand why good 3D vision
is so important?
Yes, Dr. O.D.
So now you can better understand why,
before starting school, an eye test...
...is always best!