A child with Tay-Sachs Disease is usually tested for the disease after the child begins experiencing hearing, seeing, and movement problems. Some of the symptoms of Tay-Sachs that occur include:
· Develops normally in the first 3 to 6 months of life
· Loses sight, hearing, and movement over the years
· Develops a red spot on the back of the eye
· Stops smiling and crawling
· Begins having seizures by age 2
· Death occurs usually by age 5

