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SBV002 Low neutral dynamic retinoscopy

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SBV001 MEM dynamic retinoscopy

Specialist Binocular Vision • 12s

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  • SBV002 Low neutral dynamic retinoscopy

    Low neutral dynamic retinoscopy yields the lens power with which the dioptric accommodative stimulus and dioptric accommodative response are equal.

  • SBV003 Accommodative facility

    This is a measure of the speed of accommodative change. The dioptric accommodative stimulus is alternated between two different levels and the subject reports when a letter target is seen clearly after each alternation in accommodative stimulus. The examiner counts the number of cycles completed ...

  • SBV004 Bagolini lenses

    Each plane glass lens has fine parallel striations inscribed onto the surface orientated at 45 degrees on one lens and 135 degrees on the other. A spotlight is converted into a line image seen at 90 degrees to the striations when viewed through the lenses. The test is useful with differential dia...