What is the purpose of the optic nerve?
The optic nerve is critical to your vision. It’s an extension of your central nervous system, which includes your brain and spine. The optic … 展开

Where is the optic nerve?
The optic nerve is the second of 12 cranial nerves. Each eye has its own optic nerve. The optic nerve: Starts in the optic disk, a group of … 展开

What conditions and disorders affect the optic nerves?
These conditions can damage an optic nerve and affect vision: Glaucoma: Fluid buildup in the fro… 展开

How can I protect my optic nerves?
These steps can help protect your vision: Get regular eye exams. Maintain a weight that’s healthy for you through exercise and a n… 展开

When should I talk to a doctor?
You should call your healthcare provider if you experience: Changes to your eyesight, including blurred or double vision or vision loss. Chronic hea… 展开