In order to perceive colour vision, it is necessary:-1: for there to be sufficient amount of light (ambient luminosity)-2: at night to look at the point to be observed at an angle of 15°-3: to allow the eye a period of time to get used to the light-4: to avoid white light4
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The retina allows for colour perception as a result of the:4
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Rods (scotopic visual cells) allow for:4
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Visual perception of depth at close to medium distance is primarily due to:4
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Presbyopia causes a:4
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Astigmatism is caused by:4
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Which force(s) affect(s) the otoliths in the utriculus and sacculus?4
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Which part of the vestibular apparatus is affected by changes in gravity and linear acceleration?4
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Which part of the vestibular apparatus is responsible for the detection of angular acceleration?4
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What is understood by air-sickness?4
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