Advertisements
Advertisements
प्रश्न
Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:
Name the parts labeled 1 to 4.
Advertisements
उत्तर
1 - vitreous humour,
2 - Fovea centralis (yellow spot),
3-lens,
4-pupil
APPEARS IN
संबंधित प्रश्न
Name the defect of vision in which the eye-lens loses its power of accommodation due to old age.
A person suffering from the eye-defect myopia (short-sightedness) can see clearly only up to a distance of 2 metres. What is the nature and power of lens required to rectify this defect?
An eye has a far point of 2 m. What type of lens in spectacles would be needed to increase the far point to infinity? Also calculate the power of lens required. Is this eye long-sighted or short-sighted?
Describe the mechanism of focusing the image of a distant object in your eye when you raise your head after reading a book.
Have a look at the posture of this woman who is reading a book and answer the questions which follow:
What are the two conditions shown in sections A and B of the eye as applicable to her?
In what two whys is a yellow spot different from the blind spot?
Give Reason:
Deficiency of vitamin A causes night blindness.
Observe the given below the figure, correct it and explain and write about the concept depicted in this figure.
Differentiate the eye defects: Myopia and Hypermetropia
Myopia and hypermetropia can be corrected by:
