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"When we drop down the aperture on our LED headlights, it's not the crispest
light," he says. "For some reason, the edges aren't as sharp when we lower the
intensity." Closing the aperture on a xenon bulb, on the other hand, will focus
the light with laser-like precision, which might be preferred by ENT docs
demanding a high level of magnification and intense light.
Does the light give off a blue or yellow hue? Ideally, the light should mimic
the height of daylight, giving the most "natural" illumination and accurate
visualization of the surgical site. A blue-white not only makes the subject
look better than a yellow-white, but it's also easier on the eyes. OSM
E-mail doconnor@outpatientsurgery.net.
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