B1d - The Nervous System - Part 2. 0.0 / 5 ? BiologyNervous system, hormones and behaviourGCSEOCR Created by: natalie27Created on: 08-12-13 19:09 Vision where the eyes are placed on the front of the head. Usually found in predators. Able to judge speed and distance accurately. Binocular 1 of 10 Vision where the eyes are placed on the side of the head. Usually found in prey - can see in front and behind. Difficult to judge distance or speed. Monocular 2 of 10 The ______ and lens refract rays of light, so they converge at a single (focal) point on the retina. Cornea 3 of 10 Long sight, short sight and red-green colour blindness and are all common eye _______. Defects 4 of 10 Long sight is caused by an eyeball that is too _____ or by a lens that stays long and thin (i.e. doesn't change shape properly). Short 5 of 10 Long sight can be corrected with a ______ lens which converges light rays from close objects so that they focus on the retina. Convex 6 of 10 Short sight is caused by an eyeball that is too ____, or weak suspensory ligaments which cannot pull the lens into a thin, flat shape. Long 7 of 10 Short sight can be corrected with a _______ lens which diverges the light rays so that they focus on the retina. Concave 8 of 10 A clear, flexible bag of fluid surrounded by circular ciliary muscles that change the shape of the ____. Lens 9 of 10 __________ ligaments attach the lens to the ciliary muscles. Suspensory 10 of 10
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