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2. List of instruments used in otorhinolaryngology, head and ...

   en.wikipedia.org/wiki/List_of_instruments_used...

   Instrument Uses Head Mirror with head band: to focus light into the cavity under inspection; mirror is concave and is used with a Chiron lamp to produce a parallel beam of light; doctor views through the hole (average diameter of mirror is 3 & 1/2" & that of hole is 1/4")

3. Head mirror - Wikipedia

   en.wikipedia.org/wiki/Head_mirror

   Head mirror A doctor using a head mirror to illuminate his patient's nasal passages.. A head mirror is a simple diagnostic device, stereotypically worn by physicians, but less so in recent decades as they have become somewhat obsolete.

4. Surgical lighting - Wikipedia

   en.wikipedia.org/wiki/Surgical_lighting

   A surgical light – also referred to as an operating light or surgical lighthead – is a medical device intended to assist medical personnel during a surgical procedure by illuminating a local area or cavity of the patient. A combination of several surgical lights is often referred to as a “surgical light system”.

5. List of instruments used in ophthalmology - Wikipedia

   en.wikipedia.org/wiki/List_of_instruments_used...

   This page was last edited on 9 February 2024, at 17:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

6. Flashlight - Wikipedia

   en.wikipedia.org/wiki/Flashlight

   A medical halogen penlight to observe pupillary light reflex An LED headlamp. A penlight is a small, pen-sized flashlight, often containing two AA or AAA batteries. In some types, the incandescent light bulb has an integral lens that focuses the light, so no reflector is built into the penlight. Others use incandescent bulbs mounted in reflectors.

7. Mountain climbing and treating Alzheimer's: Could xenon gas ...

   www.aol.com/mountain-climbing-treating-alzheimer...

   Safe treatment shows Alzheimer’s potential. One of the challenges of treating Alzheimer’s is finding therapeutics that can cross the blood-brain barrier and get into the brain. Xenon gas can ...