indirect vision


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indirect vision

[‚in·də′rekt ′vizh·ən]
(physiology)
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For the light to be used effectively for indirect vision, it should be placed from your nondominant shoulder; that is, if you are right-handed, position the light from your left side.
The non-dominant hand is used to hold the mirror for indirect vision and retraction of the tongue and cheek.
(3) Magnification lenses, which produce a clear, larger image, combined with indirect vision, allows the clinician to maintain this balanced clinical posture.
Under the directive, these would have to be 'Class IV and V' "close proximity and large angle mirrors", or alternative mirror systems "whose field of vision covers not less than 99% of the total field of vision at ground level" of these specially designed systems; lorries which cannot be fitted with new mirror systems could use "other devices of indirect vision".
Under the new rules improved vision in 'indirect vision systems' - rear-view mirrors - will begin to be seen on new vehicle models from next year, with all new vehicles obliged to conform by 2010.
Negotiations are currently continuing within the UN-ECE with a view to an agreement on indirect vision devices for certain vehicles.
Clair adenoid forceps under indirect vision with a laryngeal mirror.