Abdominal crunch with fitness ball

Retina

This animation shows the process in which light is transformed by the retina as electrical impulses that travel to the brain through the optic nerve.

• Vision

How to measure blood pressure using an automatic monitor

Watch this video to learn how to measure blood pressure using an automatic monitor.

Qulipta: Uses, How it Works & Common Side Effects

Qulipta is a prescription medicine used to help prevent migraine headaches in adults, it is not used to treat an active migraine. Common Qulipta side effects may include nausea, constipation, feeling tired or weight loss.

• Qulipta

Balloon angioplasty - short segment

This animation shows the use of balloon angioplasty to open a narrowed coronary artery lumen caused by deposits of plaque.

• Heart Disease

Keratoconus

Scleral contact lenses may be an alternative to surgery for many patients with keratoconus.