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प्रश्न
Do you know that the corneal-impairment can be cured by replacing the defective cornea with the cornea of the donated eye? How and why should we organise groups to motivate the community members to donate their eyes after death?
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उत्तर १
Yes.
There is a need for awareness among various communities about eye donation after death as it will help a person suffering from an eye ailment to get the treatment.
The following steps can be taken to organize groups to motivate them:-
(i) The person who is taking the initiative can communicate with people and after realizing people who are like minded should gather them and form an awareness group.
(ii) The group should then approach various communities and organizations in their area and promote their campaign.
(iii) They can also approach various hospitals and clinics to promote the campaign.
उत्तर २
Eyes of a dead person can be donated to a person having corneal blindness. It will help him/her see the world. We can also register ourselves to donate our eyes. The organisations that put up eye donation camps preserve our eyes after our death and donate them to the needy.
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संबंधित प्रश्न
The kind of lens required to correct Myopia
What is the other name for
hypermetropia
A young man has to hold a book at arm's length to be able to read it clearly. The defect of vision is:
(a) astigmatism
(b) myopia
(c) presbyopia
(d) 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 an old man
When do we consider a student sitting in the class to be myopic? List two causes of this defect. Explain using a ray diagram how this defect of eye can be corrected.
Rewrite the following table so as to match second and third column with first column.
|
Column I
|
Column II
|
Column III
|
|
(i) Myopia
|
Old age problem
|
Bifocal lens
|
|
(ii) Presbyopia
|
Nearsightedness
|
Concave lens.
|
Explain the Term: Cataract
What type of lens is used to correct Hypermetropia?
Observe the figure and answer the following questions:
- Name the defect of vision represented in the above figure.
- State the reasons for this defect.
- How is it corrected?
- Draw the diagram to show the correction of this defect.
