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  2. Safety of magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Safety_of_magnetic...

    Magnetic resonance imaging (MRI) is in general a safe technique, although injuries may occur as a result of failed safety procedures or human error. During the last 150 years, thousands of papers focusing on the effects or side effects of magnetic or radiofrequency fields have been published.

  3. Belay glasses - Wikipedia

    en.wikipedia.org/wiki/Belay_glasses

    The prismatic lenses of the belay glasses are arranged so as to bend light from above through total internal reflection into the observer's eye, allowing the belayer to observe the climber while maintaining a comfortable head/neck position. The design based on the eyeglasses frame provides for a split field of vision: the peripheral field ...

  4. Congenital fourth nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Congenital_fourth_nerve_palsy

    Specialty. Neurology. Congenital fourth nerve palsy is a condition present at birth characterized by a vertical misalignment of the eyes due to a weakness or paralysis of the superior oblique muscle. Other names for fourth nerve palsy include superior oblique palsy and trochlear nerve palsy. [1] When looking to the right/left the nerve/muscle ...

  5. Portable magnetic resonance imaging - Wikipedia

    en.wikipedia.org/wiki/Portable_magnetic...

    Portable magnetic resonance imaging (MRI) is referred to the imaging provided by an MRI scanner that has mobility and portability. [1] [2] [3] It provides MR imaging to the patient in-time and on-site, for example, in intensive care unit (ICU) where there is danger associated with moving the patient, in an ambulance , after a disaster rescue ...

  6. Prism cover test - Wikipedia

    en.wikipedia.org/wiki/Prism_Cover_Test

    The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]

  7. How do I know my eclipse glasses are safe and legitimate ...

    www.aol.com/know-eclipse-glasses-safe-legitimate...

    If you plan to look up at the sky on April 8, first make sure you have a safe pair of eclipse glasses in hand. If you plan to look up at the sky on April 8, first make sure you have a safe pair of ...

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