Rivera tells the Daily News it was like "touching the stars and the clouds and the moon."
Rivera's 7-year-old is her biggest fan. Alayza said she didn't need presents - she just wanted her mom to see again.
The chance of success was about 50/50. When the bandages came off, Rivera was so scared that she kept her eyes shut for 10 minutes. Then she screamed with joy.
After Christmas, she'll have surgery on her other eye.
The New York Eye and Ear Infirmary donated costs not covered by Medicaid.