A Rare Disease Known as Face Blindness

Think of the faces of those that mean the most to you — your parents, siblings, a significant other, your children. Now imagine waking up one day and not being able to recognize any of them. What sounds like the plot of a science fiction novel is an actual medical condition known as prosopagnosia, the inability to recognize or distinguish faces.
https://www.verywellhealth.com/prosopagnosia-2860990