Oculo-Digital Sign

AKA: Oculo-digital phenomenon, Franceschetti-Leber Phenomenon

• Repeated pressure applied to the eye by a child with blindness or low vision.
• Presumably this pressure creates a phosphene that is interesting to the child.
• It is not specific for one particular ocular disease
• It was first mentioned by Theodor Leber in 1877 but identified as the oculo-digital phenomenon by Franceschetti in 1937