For shorter-range, wide field of vision
cameras, surface-mount LEDs with a viewing angle of 100[degrees] can be specified; while longer-range, narrowly focused cameras require the use of through-hole 3 mm LEDs with a viewing angle of 18[degrees].
Her Lawyer, Jean-Michel Pollono, said traffic officers in Nantes fined her pounds 22 based on a rule that drivers should have "freedom of movement and a sufficient field of vision
With no current satisfactory method of evaluating a child's field of vision
, Great Ormond Street Hospital has expressed an interest in the possibility of developing a paediatric version of the test.
The consequences, when overseas truckers attempt to overtake with a limited field of vision
, can be devastating.
Tracks approach, rails that haul them into our field of vision
Night time missions are an essential part of today's military operations, but existing equipment only provides 30-40 degree field of vision
, which restricts situational awareness on the ground.
British scientists looked at three patients who had lost awareness in half their field of vision
as a result of a stroke.
Q I've experienced black specks that seem to float across my field of vision
6 : the presence of an object within the field of vision
<I can't stand the sight of blood.
The lenses offer drivers of left-hand drive vehicles a wider field of vision
through the passenger window.
Howard Stein's devastating poem "Asthma" reminds us how blinded and narrow the field of vision
of the health care providers can be; and how little we understand what is happening "on the ground.
The system's highway mode increases beam width and length when the vehicle travels over 55 mph, improving field of vision
by as much as 164 ft.
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".
Turn the sensor head right or left and up or down so that its field of vision
is roughly centered on the area you want to cover.
Vision is described in terms of visual acuity and field of vision
Visual acuity is a measure of how well an individual sees compared with someone with normal sight--for example, a person with 20/60 vision must be within 20 feet of an object to see it as clearly as a normal-sighted person at 60 feet--and a normal field of vision
is 160 to 170 degrees.