What are the first symptoms of tay sachs disease appear?

Early-onset Tay-Sachs disease appears in babies aged 6 months or younger. Common early signs include:

* Reduced eye movement

* Vision loss

* A "cherry red" spot developing in the center of the retina

* Slow development

* Decreased head growth (microcephaly)

Late-onset Tay-Sachs disease usually appears in childhood, but can appear as late as adolescence or early adulthood. In addition to the early signs of the disease, late-onset Tay-Sachs affects motor skills and leads to speech problems.