Case presentation: Patient R.P.C., birth 06/10/2019, female, referred from pediatric clinic at two years old due to speech regression. In August 2021, she underwent routine funduscopy, prematurity, showing a red cherry spot. her neuropsychomotor development, presented cephalic support three months of age, sat up eight months, walked 11 started two-syllables nine but regressed, and currently onl...