Samsung UN46ES7500F E-Manual page 204

ΠA responsible adult should frequently
check on children who are using the 3D
function. If there are any reports of tired
eyes, headaches, dizziness, or nausea,
have the child stop viewing 3D TV and
rest.
ΠDo not use the 3D Active Glasses for other
purposes (such as general eyeglasses,
sunglasses, protective goggles, etc.)
ΠDo not use the 3D function or 3D Active
Glasses while walking or moving around.
If you use the 3D function or 3D Active
Glasses while walking or moving around
you can injure yourself by running into
objects, tripping, or falling.