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प्रश्न
A person got his eyes tested by an optician. The prescription for the spectacle lenses to be made reads :
Left eye : +2.50 D
Right eye : +2.00 D
State whether these lenses are thicker in the middle or at the edges.
उत्तर
These lenses are thicker in the middle because they are convex lens.
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संबंधित प्रश्न
The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the
(a) fovea
(b) iris
(c) blind spot
(d) optic chaisma
Out of rods and cones m the retina of your eye:
which detect colour?
What are rods and cones in the retina of an eye? Why is our night vision relatively poor compared to the night vision of an owl?
How does the eye adjust itself to deal with light of varying intensity?
Differentiate between members of the following pair with reference to what is asked in bracket.
Rod and cone cells (pigment contained)
Give Technical Term:
The adjustment of the eye in order to obtain a clear vision of objects at different distances
State the Function:
Aqueous humour
Choose the Odd One Out:
In the figure of the human eye, the cornea is represented by the letter
Which of the following is responsible for the adjustment of the size of pupil?
