Depth perception is the ability to see the world in 3 dimensions and by doing so to be able to estimate the distance between objects.
Retinal disparity<span> is defined as the way that your left eye and your right eye view slightly different images. </span>
Convergence refers to the eyes' disposition to rotate inward toward each other in a coordinated manner in order to focus effectively on nearby objects. <span>
</span>Disparity and convergence are the two important things that help us to judge distance. W<span>hen looking at a close-up object, your eyes angle inwards towards each other (you become slightly cross-eyed). The extra effort used by the muscles on the outside of each eye gives a clue to the brain about how far away the object is. This is convergence.</span>
Answer:
sometimes may be sometime may be not!
Explanation:
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Answer:
Cancer is often detected when an individual notices a change in his or her health — excessive fatigue, for example, or unusual bleeding, a lump that doesn't go away, unexplained weight loss, night sweats, or a persistent change in bowel or bladder habits.Cancer that's diagnosed at an early stage, when it isn't too large and hasn't spread, is more likely to be treated successfully.
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Answer:
ventricular septal defect
Explanation:
The ventricular septal defect is a very common defect in the septum. It is characterised by a hole or defect that divides the two sides of the heart hence causing communication between the ventricular cavities.
