Advertisements
Advertisements
Question
Given below is a diagram depicting a defect of the human eye? Study the same and answer the question that follow:
Name the parts labeled 1 to 4.
Advertisements
Solution
1 - vitreous humour,
2 - Fovea centralis (yellow spot),
3-lens,
4-pupil
APPEARS IN
RELATED QUESTIONS
What is the scientific name of
long-sightedness?
An eye has a near point distance of 0.75 m. What sort of lens in spectacles would be needed to reduce the near point distance to 0.25 m? Also calculate the power of lens required. Is this eye long-sighted or short-sighted?
What is meant by optical illusion? Give one example.
Given below is a diagram depicting a defect of the human eye. Study the same and answer the question that follow:
Name the defect shown in the diagram.
Anuja cannot see the blackboard writing but she can see nearby things.
(a) What is the eye defect she is suffering from?
(b) State the possible reason for her defect.
(c) How is it corrected
In what two whys is a yellow spot different from the blind spot?
Choose the Odd One Out:
Due to elongation of _______ and increase in curvature of the eye lens, a person cannot see distant objects clearly.
Write scientific reason.
Nearsightedness, this defect can be corrected by using spectacles with concave lens.
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power:
