What are 2 specific diseases that SCT is used with?

Stargardts disease: it is an inherited form of juvenile macular degeneration = blindness Treated by replacing dead cells in retina with functioning ones Parkinsons disease: degenerative disorder caused by the death of dopamine secreting cells (CNS) treated by replacing dead cells in midbrain with functioning ones show tremors and rigidity and slow movement as dopamine is an NT used for smooth movements