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FMF Core Sect 110 New Book
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Why do we use the off-center vision method at night?
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Because of a blind spot that exists durring low illumination
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Terms in this set (24)
Why do we use the off-center vision method at night?
Because of a blind spot that exists durring low illumination
How is the off-center vision method done?
It is done by viewing 6-10 Degrees above, below or to the side of the object you want to look at.
Why is the scanning method helpful?
Overcomes many physiological limitations of eyes
Reduces confusing visual illusions
How is the Strip method used?
Starting close to you look from side to side in a zig zag pattern continue till enitre field of view has been searched.
What factors decrease night vision?
fatigue, lack of o2, long exposure to sunlight, alcohol, nicotine in pass 48 hours, and age.
