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2. Loupe - Wikipedia

   en.wikipedia.org/wiki/Loupe

   A pair of dental loupes featuring in-lens magnification. There is a loupe light mounted on the bridge of the loupes and side shields (not shown) on the temples to protect a dentist's eyes from splatter. Dentists, hygienists, and dental therapists typically use binocular loupe glasses since they need both hands free when performing dental ...

3. Frenzel goggles - Wikipedia

   en.wikipedia.org/wiki/Frenzel_goggles

   This is done by using high-powered (+20 diopters) magnifying glasses with an illumination system. With such a high-powered lens, it is unlikely that the patient can adequately focus and visually fixate on an object to suppress nystagmus. [2]

4. Magnifying glass - Wikipedia

   en.wikipedia.org/wiki/Magnifying_glass

   Magnifying glasses typically have low magnifying power: 2×–6×, with the lower-power types being much more common. At higher magnifications, the image quality of a simple magnifying glass becomes poor due to optical aberrations, particularly spherical aberration. When more magnification or a better image is required, other types of hand ...

5. Binoculars - Wikipedia

   en.wikipedia.org/wiki/Binoculars

   Binoculars concentrate the light gathered by the objective into a beam, of which the diameter, the exit pupil, is the objective diameter divided by the magnifying power. For maximum effective light-gathering and brightest image, and to maximize the sharpness, [27] the exit pupil should at least equal the diameter of the pupil of the human eye ...

6. Dome magnifier - Wikipedia

   en.wikipedia.org/wiki/Dome_magnifier

   A dome magnifier is a dome-shaped magnifying device made of glass or acrylic plastic, used to enlarge words on a page or computer screen. They are plano-convex lenses : the flat (planar) surface is placed on the object to be magnified, and the convex (dome) surface provides the enlargement.

7. Shop gifts at Nordstrom that will arrive in time for ... - AOL

   www.aol.com/lifestyle/last-minute-gifts...

   To help you take advantage of this extra (and free!) shipping window, we've pulled out 10 of our favorite gifts to shop and as an added bonus, they're all under $50! Stanley The Quencher H2.0 ...