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Diagnostic penlight

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Diagnostic penlights illuminate a person’s ears, eyes and throat. Diagnostic penlights measure the pupil size and response time. Diagnostic penlights are an important item to carry at all times.

Diagnostic penlights are small and lightweight and fit inside a shirt pocket for easy access. Some also have pocket clips so they remain in place. Diagnostic penlights are necessary when trying to view the inside of a person’s ears, eyes or throat. The light is activated when the clip on the pen is pressed.

Diagnostic penlights focus light into a beam, making it easy to accurately view the inside of a person’s mouth or ears or study a person’s pupils.

Many diagnostic penlights have an imprinted pupil gauge to help determine the pupil size. Diagnostic penlights use batteries. Diagnostic penlights are made from materials ranging from plastic to aluminum alloy. Penlights closely resemble writing pens. Many diagnostic penlights are sold in bulk and come in a variety of colors. 

Some diagnostic penlights allow the user to replace the batteries, while others are disposable once their battery life is complete. Diagnostic penlights are easy to carry and affordable, and they are a necessary item for any medical professional, including emergency responders, surgeons, nurses and physicians.