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Health Status and Medication - 2
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Find the appropriate word and fill blank (i).
Directions: Complete this passage by selecting the most suitable option for the corresponding gap.
How eyes work
____(i)______ is an amazing process made possible by many parts of the eye working together. Light enters the eye and is bent or ______(ii)______ by the cornea (the window of the eye) through the pupil (the opening in the iris). This light passes through the lens (located behind the pupil). The retina changes the light (energy) into electric ____(iii)_______ that are carried through the optic nerve to the vision centre (cortex) of the brain where the image is ______(iv)______.
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A
Sight
💡 Explanation:
The passage describes how the eye enables vision. The title 'How eyes work' and the blank structure suggest this blank should name the overall process being described. 'Sight' is the process that results from all the eye parts working together - it's the amazing process that converts light into the visual experience. 'Visibility,' 'display,' and 'spectacle' don't capture the physiological process.