Advertisements
Advertisements
प्रश्न
Mention, if the following statement is True or False
Hypermetropia is a defect of the eye caused due to the eyeball elongation
पर्याय
True
False
Advertisements
उत्तर
False
Correct Statement: Myopia is a defect of the eye caused due to the eyeball elongation
APPEARS IN
संबंधित प्रश्न
Name one defect of vision (or eye) which cannot be corrected by any type of spectacle lenses.
What is long-sightedness? State the two causes of long-sightedness (or hypermetropia). With the help of ray diagrams, show:
(i) the eye-defect long-sightedness.
(ii) correction of long-sightedness by using a lens.
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
Which part of the eye is grafted in a needy patient from a donated eye?
Observer the following diagram and answer the questions.
a) Which eye defect is shown in this diagram?
b) What are the possible reasons for this eye defect?
c) How this defect is corrected, write it in brief?

Given alongside is a diagram depicting a defect of the human eye. Study the same and then answer the questions that follow:
(i) Identify the defect.
(ii) Name the parts labelled 1, 2 and 3.
(iii) Give labelled two possible reasons for this eye defect.
(iv) Draw a labelled diagram to show how the above mentioned defect is rectified.

The near point of the eye of a person is 50 cm. Find the nature and power of the corrective lens required by the person to enable him to see clearly the objects placed at 25 cm from the eye?
Name an old age eye defect. Why is it caused?
Due to elongation of _______ and increase in curvature of the eye lens, a person cannot see distant objects clearly.
Differentiate the eye defects: Myopia and Hypermetropia
