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प्रश्न
Five persons A, B, C, D and E have diabetes, leukaemia, asthma, meningitis and hepatitis, respectively.
Which of these persons cannot donate eyes?
उत्तर
Persons with diabetes (A), leukaemia (B), meningitis (D) or hepatitis (E) cannot donate their eyes.
Meningitis and hepatitis are infectious diseases whereas leukaemia is a type of blood cancer and is communicable. Diabetic patients also cannot donate their eyes.
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संबंधित प्रश्न
With the help of ciliary muscles the human eye can change its curvature and thus alter the focal length of its lens. State the changes that occur in the curvature and focal length of the eye lens while viewing (a) a distance object, (b) nearby objects.
How is the amount of light entering the eye controlled?
Name the cells on the retina of an eye which are sensitive to (i) bright light (ii) dim light (iii) sensation of colour.
Which part brings the image into sharp focus on the retina? How does it do this?
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Choose the correct answer.
Colour is detected by ____________
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Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
State the Function:
Cornea
With reference to human eye answer the question that follow:
Name the part of the eye associated with the layer providing nourishment to the eye.
