For home testing there is another thing you can do.
In a room or space the pup is familar with take some chairs with legs (kitchen or dining room type chairs) and set them up around the room and call the puppy. See if the pup can make its way through the obstacles without bumping them.
Blue eyes do not indicate blindness unless you are seeing blue in the center of the eye in the pupil area or the cornea appears opaque instead of clear.
Blind puppies can do fine in life and you can see some tips here
http://www.blinddogs.com/puppy.htm
I do suggest seeing a veterinary opthamologist as finding out what is wrong before placing it seems to me to be the responsible thing to do in case there are more repercussions to the eye color than you realize.
Hope this helps you!
Hope this helps you!
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