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प्रश्न
Name the following:
The part of the eye responsible for its shape.
उत्तर
sclera
संबंधित प्रश्न
Distinguish between: blind spot and yellow spot
Myopia is an example of ______.
Draw a neat and labelled diagram of the structure of the human eye.
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which is the weaker eye?
State whether the following statement is true or false:
The image formed on our retina is upside-down
What is the least distance of distinct vision for a normal human eye?
What is the range of vision of a normal human eye?
Fill in the following blank with suitable words:
When light is dim, the pupil becomes................
A person walking in a dark corridor enters into a brightly lit room:
State the effect on the pupil of the eye.
How does the eye change in order to focus on near or distant objects?
(a) The lens moves in or out
(b) The retina moves in or out
(c) The lens becomes thicker or thinner
(d) The pupil gets larger or smaller
Explain clearly why, a person who has lost the sight of one eye is at a disadvantage compared with the normal person who has two good eyes.
Define the following:
Blind spot
Answer the following question.
Trace the sequence of events Whichoccur when a bright light is focused on your eyes.
What is meant by power of accommodation of the eye?
Differentiate between:
Retina and Choroid.
Name the following:
The part of the eye responsible for change in the size of the pupil.
For a healthy human eye, the distant point is infinite distance.
We cannot distinguish colours in dim light. Explain giving suitable reasons.
In human eye the part which allows light to enter into the eye is ______.
Match the terms in column I with those in column II and write down the matching pairs.
| Column I | Column II | ||
| (i) | Conjunctiva | (a) | Viral infection |
| (ii) | Cornea | (b) | Ciliary body |
| (iii) | Choroid | (c) | Spiral-shaped |
| (iv) | Cochlea | (d) | Transparent epithelium |
| (v) | Conjunctivitis | (e) | Suspensory ligament |
| (f) | Contains melanin | ||
| (g) | Transparent but appears black |
