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प्रश्न
Choose the Odd One Out:
विकल्प
Myopia
Hypermetropia
Xerophthalmia
Astigmatism
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उत्तर
Xerophthalmia
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संबंधित प्रश्न
The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct the problem?
A student is unable to see clearly the words written on the black board placed at a distance of approximately 3 m from him. Name the defect of vision the boy is suffering from. State the possible causes of this defect and explain the method of correcting it.
Name the defect of vision which makes the eye-lens cloudy resulting in blurred vision.
Differentiate between myopia and hypermetropia.
A person can read a book clearly only if he holds it at an arm's length from him. Name the defect of vision:
if the person is a young man
A person is unable to read a book placed closer than 1 meter from his eyes. Identify the defect of vision in his eyes. Draw the ray diagrams to show the defect of vision and its correction.
Have a look at the posture of this woman who is reading a book and answer the questions which follow:
What kind of looking glasses she needs?
What type of lens is used to correct Hypermetropia?
Complete the following sentence with appropriate word :
An inability to focus on nearby objects due to loss of elasticity of the lens with age is called Iris.
Differentiate the eye defects: Myopia and Hypermetropia
