Given below is a diagram depicting a defect of the human eye. Study the same and then answer the questions which follow:
(i) Identify the defect.
(ii) Name the parts labelled 1, 2 and 3.
(iii) Give two possible reasons for this eye defect.
(iv) Draw a labelled diagram to show how the above-mentioned defect is rectified
1. Vitreous chamber
2. Yellow spot
3. Optic nerve
(iii) Reasons for myopia:
(a) The eye ball lengthens from front to back.
(b) The lens becomes too curved.
(iv) Rectification of myopia.