Advertisements
Advertisements
Question
Name the following:
The eye defect caused due to shortening of the eye ball from front to back.
Advertisements
Solution
Hypermetropia
APPEARS IN
RELATED QUESTIONS
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.
Which part of the eye is grafted in a needy patient from a donated eye?
An old man cannot see objects closer than 1 m from the eye clearly. Name the defect of vision he is suffering from. How can it be corrected? Draw ray diagram for the (i) defect of vision and also (ii) for its correction.
Name the common defects of the eye.
Give Reason:
Deficiency of vitamin A causes night blindness.
Differentiate between:
Short-sightedness and Long-sightedness.
Name the following:
The defect of the human eye caused due to the uneven surface of the cornea.
The diagram given below represents the cross-section of the human eye:
(i) Name the parts labeled 1—12.
(ii) What is the function of the part marked ‘10’?
(iii) What would happen if part ‘5’ is damaged or cut?
Write scientific reason.
Nearsightedness, this defect can be corrected by using spectacles with concave lens.
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.
