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

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

   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") Head mounted lights with head band: to focus light into the cavity under inspection Chiron lamp: source of light Katz ...

3. Borescope - Wikipedia

   en.wikipedia.org/wiki/Borescope

   Schematic view of a rigid borescope Borescope in use, showing typical view through the device. A borescope (occasionally called a boroscope, though this spelling is nonstandard) is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach cavities, consisting of a rigid or flexible tube with an eyepiece or display on one end, an objective lens or camera on the ...

4. Slit lamp - Wikipedia

   en.wikipedia.org/wiki/Slit_lamp

   These optics usually take the form of a lens placed on or near the subject's cornea, which range in optical properties and practical application. [19] Watzke–Allen test is a test used in diagnosis of a full thickness macular hole and also to assess retinal function after surgical closure of the hole, with the help of slit lamp. [20] [21]

5. Optical comparator - Wikipedia

   en.wikipedia.org/wiki/Optical_comparator

   The first commercial comparator was developed by James Hartness and Russell W. Porter. [2] Hartness' long-continuing work as the Chairman of the U.S.'s National Screw-Thread Commission led him to apply his familiarity with optics (from his avocations of astronomy and telescope-building) to the problem of screw thread inspection.

6. The Real Cost of a Home Inspection - AOL

   www.aol.com/lifestyle/real-cost-home-inspection...

   Whether you're buying, selling, building, or renting, here's how much a home inspection costs. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach ...

7. Pinhole occluder - Wikipedia

   en.wikipedia.org/wiki/Pinhole_occluder

   An improvised pinhole has a similar but better effect. The same principle has also been applied as an alternative to corrective lenses: a screen of pinholes is mounted on an eyeglass frame and worn as pinhole glasses. Differential diagnosis: pinhole worsen vision: Macular diseases, [5] central lens opacities [6] Vision static with pinhole ...

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9. List of instruments used in ophthalmology - Wikipedia

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

   a 26 gauge needle bent twice used for incising the anterior capsule of the lens in lens extraction Wire vectis: a loop of wire attached to a stack used to extract cataract affected lenses Irrigating vectis: a small hollow instrument with a used to introduce fluid into the anterior chamber to raise its pressure to aid cataract extraction [2] Canula