How to measure blood pressure using a manual monitor

Chest press with weight machine

The chest press exercise with weight machine targets the chest muscles. See how it's done.

Macular degeneration

This animation shows the process of macular degeneration in the eye. The macula is the part of the retina that distinguishes fine details at the center of the field of vision. Macular degeneration results from a partial breakdown of the insulating layer between the retina and the choroid layer of blood vessels behind the retina. Macular degeneration results in the loss of central vision only.

• Vision

How to use a dry powder disk inhaler

Watch this video to learn how to use a dry powder disk inhaler.

How to measure blood pressure using an automatic monitor

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

Corneal injury

This animation shows corneal infections resulting from corneal injury.

• Vision