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प्रश्न
What is a stereoscopic vision?
उत्तर
The capacity to perceive a three-dimensional image due to simultaneous focusing of both eyes on an object is called stereoscopic (binocular) vision.
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संबंधित प्रश्न
How does the eye regulate the amount of light that falls on the retina?
How does the eye regulate the amount of light that falls on the retina?
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
What kind of lens is present in the human eye?
What is the name of:
the curved, transparent front surface of the eye?
Name the part of our eyes which helps us to focus near and distant objects in quick succession.
Fill in the following blank with suitable word:
To bring light from a distant object to a focus on the retina of the eye, the convex eye-lens needs to be made..........
Describe the working of the human eye with the help of the above diagram.
Name the following:
Short sightedness.
Define the following:
Power of accommodation
Name the respective organs in which the following are located and mention the main function of each:
(i) Iris
(ii) Semicircular canals
Choose the correct answer.
Rods are receptor of ______________
Answer the following question.
Write the structure of eye lens and state the role of ciliary muscles in the human eye.
Differentiate between:
Vitreous humour and Aqueous humour.
Long answer question
Draw the neat labelled diagram of the Sectional view of the human eye.
For the normal human eye, the near point is at ___________ cm.
Match the following:
| Column - I | Column - II |
| 1. Retina | a. Pathway of light |
| 2. Pupil | b. Far point comes closer |
| 3. Ciliary muscles | c. near point moves away |
| 4. Myopia | d. Screen of the eye |
| 5. Hypermetropia | f. Power of accommodation |
Assertion (A): Rods and Cones are photoreceptors in the sclera of eyeball.
Reason (R): Rods are sensitive to dim light.
Name the following:
Two pigments of the sensory cells.
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.
