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Questions and Answers
What is the function of the iris in the human eye?
What is the function of the iris in the human eye?
- To identify objects by their smell
- To form an image on the retina
- To control the size of the pupil (correct)
- To enable us to see colors
What is the role of the cornea in the human eye?
What is the role of the cornea in the human eye?
- To enable us to identify colors
- To control the size of the pupil
- To form an image on the retina
- To let light enter the eye (correct)
How does the human eye function in comparison to a camera?
How does the human eye function in comparison to a camera?
- It identifies objects by their smell
- It provides adjustment of focal length required to focus objects
- It forms an image on a light-sensitive screen called the retina (correct)
- It controls the size of the pupil
Which sense organ is considered the most significant, according to the text?
Which sense organ is considered the most significant, according to the text?
What is the main function of the crystalline lens in the human eye?
What is the main function of the crystalline lens in the human eye?
What enables us to see the wonderful world and colors around us, according to the text?
What enables us to see the wonderful world and colors around us, according to the text?
What is the membrane called that has an enormous number of light-sensitive cells?
What is the membrane called that has an enormous number of light-sensitive cells?
What is the process called by which the brain interprets the electrical signals sent via optic nerves?
What is the process called by which the brain interprets the electrical signals sent via optic nerves?
What enables us to see distant objects clearly?
What enables us to see distant objects clearly?
What is the minimum distance at which objects can be seen most distinctly without strain called?
What is the minimum distance at which objects can be seen most distinctly without strain called?
What is the condition called when the crystalline lens of old individuals becomes milky and cloudy?
What is the condition called when the crystalline lens of old individuals becomes milky and cloudy?
Which refractive defect is also known as near-sightedness?
Which refractive defect is also known as near-sightedness?
What can correct the refractive defect of myopia or near-sightedness?
What can correct the refractive defect of myopia or near-sightedness?
What is the condition called when the eye gradually loses its power of accommodation?
What is the condition called when the eye gradually loses its power of accommodation?
For a normal adult with normal vision, what is the farthest point upto which the eye can see objects clearly called?
For a normal adult with normal vision, what is the farthest point upto which the eye can see objects clearly called?
What can cause partial or complete loss of vision due to a milky and cloudy crystalline lens in old individuals?
What can cause partial or complete loss of vision due to a milky and cloudy crystalline lens in old individuals?
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