Davis’s Laboratory and Diagnostic Tests Online, powered by Unbound Medicine, provides nurses and students access to 400+ test monographs containing reference ranges, indications, patient preparation and result interpretation. Explore these free sample topics:
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To assess the visual acuity of the eyes in patients of all ages, to evaluate visual acuity as required by driver licensing laws, and to assist in evaluating the eyes prior to therapeutic interventions such as eyeglasses, contact lenses, low vision aids, cataract surgery, or laser-assisted in situ keratomileusis (LASIK) surgery.
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