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प्रश्न
Differentiate between:
Vitreous humour and Aqueous humour.
उत्तर
| Vitreous Humour | Aqueous Humour |
| (i) It is found between the retina and the lens, posterior in the eye. | It is found between the cornea and the lens, anterior in the eye. |
| (ii) It has high specific gravity. | It has low specific gravity. |
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संबंधित प्रश्न
Define the term.
Power of accommodation of the eye.
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.
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
Which lens bends the light rays more strongly?
What do the ciliary muscles do when you are focusing on a nearby object?
Give the scientific names of the following parts of the eye:
carries signals from an eye to the brain.
Describe and explain, how a normal eye can see objects lying at various distances clearly.
There are two types of light-sensitive cells in the human eye:
What is each type called?
Suggest how your irises help to protect the retinas of your eyes from damage by bright light.
An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus?
Out of animals of prey and predators, which have their eyes:
on the opposite sides of their head?
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The part of the eye which can be donated from a clinically dead person is the Retina.
Define the following:
Power of accommodation
Name the capacity of the eye lens to change its focal length as per need.
The pigmented circular area seen in front of the eye:
Write down the names of parts of the eye in the blank spaces shown in the figure.
Describe the parts in the external structure of the eye.
With reference to human eye, answer the following question.
What is blind spot?
Match the following:
| Column - I | Column - II | ||
| 1 | Retina | a | Path way 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 | Hypermetropoia | e | Power of accomodation |
The thin, transparent extension of sclerotic layer found in front of the lens is ______.
With reference to human eye answer the question that follow:
Name the part of the eye associated with keeping the lens moist and protecting it from physical shock.
