Advertisements
Advertisements
Question
Where is the near point of a person suffering from hypermetropia (or long-sightedness)?
Solution
The near point of a person suffering from hypermetropia is more than 25 centimetres away.
APPEARS IN
RELATED QUESTIONS
The kind of lens required to correct Myopia
Name the defect of vision in a person:
whose far point is less than infinity
Which defect of vision can be rectified:
by using a concave lens?
What is the scientific name of
short-sightedness
By closing the eyes and gently pressing them by your palms, you may see some specks of brilliant light. How do you get this sensation while there is no light entering your eyes?
Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:
Give two possible reasons for this defect of the eye in human beings.
Name the common defects of the eye.
Give Technical Term:
The path which responsible for protecting the eye from sweat.
State reasons for Myopia. With the help of ray diagrams, show the:
- image formation by a myopic eye, and
- correction of myopia using an appropriate lens.
Observe the following diagram and answer questions following it:
- Identify the defect of vision shown.
- List its two causes.
- Name the type of lens used for the correction of this defect.