We review basic principles of modern optical magnetometers, discuss fundamental limitations on their performance, and describe recently explored applications for dynamical measurements of ...

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Just press the start button and the ref-keratometer automatically aligns and measures both eyes. For added flexibility, Auto and Manual measurement modes are included. Using infrared retro ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Executive Editor David ...