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प्रश्न
Name the part of the eye which gives colour to the eyes.
उत्तर
Iris is the part of the eye which gives its distinctive colour.
e.g. If a person is said to have blue eyes, then that actually refers to the blue colour of the iris.
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संबंधित प्रश्न
With the help of ciliary muscles the human eye can change its curvature and thus alter the focal length of its lens. State the changes that occur in the curvature and focal length of the eye lens while viewing (a) a distance object, (b) nearby objects.
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 is the least distance of distinct vision for a normal human eye?
Fill in the following blank with suitable word:
The iris controls the amount of................entering the eye.
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?
A man driving a car can read a distant road sign clearly but finds difficulty in reading the odometer on the dashboard of the car. Which of the following statement is correct about this man?
(a) The near point of his eyes has receded away.
(b) The near point of his eyes has come closer to him.
(c) The far point of his eyes has receded away.
(d) The far point of his eyes has come closer to him.
Give Technical Term:
The nutritive layer of the eye which also presents reflection of light.
In a relaxed state, the focal length of healthy eyes is _______.
The innermost layer of human eye is ______.
In human eye the part which allows light to enter into the eye is ______.
