But the visual-acuity charts, also known as eye charts, that ophthalmologists rely on to test patients’ vision are typically printed in Latin script. To the visiting doctors, this was an issue ...

For instance, adolescents with depression may rely on faster or more frequent eye movements to make up for cognitive limitations, particularly in tasks that require sustained attention or memory ...

Research has been exploring how the eye may help in diagnosing Alzheimer’s disease before symptoms begin. The disease is well advanced by the time memory and behavior are affected.