Seeing Clearly Isn’t the Same as Being Healthy: What Optic Nerve Swelling Tells Us About the Brain

https://varimail.com/articles/how-eye-doctors-can-detect-diabetes-before-a-medical-diagnosis-a-practical-tutorial/

How many people with normal vision still have optic nerve swelling and what that means The data suggests optic disc swelling - often called papilledema when caused by raised intracranial pressure - can be present even when visual acuity is