How does a Welch Allyn otoscope work?

How does a Welch Allyn otoscope work?

https://www.youtube.com/watch?v=7R7lKEVBFaQ

What is Welch Allyn used for?

Direct ophthalmoscopes are used to examine the centre of the retina whereas indirect ophthalmoscopes check the entire retina. Welch Allyn ophthalmoscopes use either halogen illuminators or SureColor LED technology. This ensures excellent illumination and allows medical professionals to see all elements of the retina.Sep 27, 2020

How do you use a otoscope?

https://www.youtube.com/watch?v=FE0sot4OoAE

What is an otoscope and what is it used for?

During an ear exam, a tool called an otoscope is used to look at the outer ear canal and eardrum. An otoscope is a handheld tool with a light and a magnifying lens. It also has a funnel-shaped viewing piece with a narrow, pointed end called a speculum.

What is the difference between otoscope and otoscope?

Otoscope -------------------------------------------------- An otoscope, with a tube of disposable tips behind Synonyms Specialty [edit on Wikidata]

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