The disease normally affects only six in a million people.
The new research could help robots interpret the world around them.
The parasite got into his eye because he was splashed while waiting in line for a water park ride, the man's lawsuit alleges.
Without some safety precautions, eclipse-viewing can be harmful to the eyes. Thankfully, there are ways to protect yourself.
Critics say the study needs to be conducted with more subjects.
A new study suggests children who spend a little less time inside each day are less prone to becoming nearsighted.