Question:
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?
Updated On: Jan 13, 2026
Hide Solution
Verified By Collegedunia
Solution and Explanation
The person is able to see nearby objects clearly, but he is unable to see objects beyond 1.2 m. This happens because the image of an object beyond 1.2 m is formed in front of the retina and not at the retina, as shown in the given figure.
To correct this defect of vision, he must use a concave lens. The concave le ns will bring the image back to the retina as shown in the given figure.
Was this answer helpful?
0
0
Top Questions on Defects Of Vision And Their Correction
- A 65-year-old diabetic woman presents with painless loss of vision. The ocular findings are shown in the image below. What is the likely diagnosis and management for this patient?
- NEET (PG) - 2023
- Ophthalmology
- Defects Of Vision And Their Correction
- Make a diagram to show how hypermetropia is corrected. The near point of a hypermetropic eye is 1 m. What is the power of the lens required to correct this defect? Assume that the near point of the normal eye is 25 cm.
- CBSE Class X
- Science
- Defects Of Vision And Their Correction
- The far point of a myopic person is 80 cm in front of the eye. What is the nature and power of the lens required to correct the problem?
- CBSE Class X
- Science
- Defects Of Vision And Their Correction
- A person needs a lens of power −5.5 diopters for correcting his distant vision. For correcting his near vision, he needs a lens of power +1.5 diopter. What is the focal length of the lens required for correcting?
(i) distant vision, and
(ii) near vision?- CBSE Class X
- Science
- Defects Of Vision And Their Correction
- A student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?
- CBSE Class X
- Science
- Defects Of Vision And Their Correction
View More Questions
Questions Asked in CBSE X exam
- Find 'mean' and 'mode' of the following data : Frequency Distribution Table
Class 0 – 15 15 – 30 30 – 45 45 – 60 60 – 75 75 – 90 Frequency 11 8 15 7 10 9 - CBSE Class X - 2025
- Statistics
Leaves of the sensitive plant move very quickly in response to ‘touch’. How is this stimulus of touch communicated and explain how the movement takes place?
- CBSE Class X - 2025
- Plant Biology
- Two statements are given below. They are Assertion (A) and Reason (R). Read both the statements carefully and choose the correct option. Assertion (A): Rupees is accepted as medium of exchange in India.
Reason (R): The World Bank legalises the use of rupee as a medium of payment in India.- CBSE Class X - 2025
- Money and Credit
- Two statements are given below. They are Assertion (A) and Reason (R). Read both the statements carefully and choose the correct option:
Assertion (A): Rupees is accepted as medium of exchange in India.
Reason (R): The World Bank legalises the use of rupee as a medium of payment in India.- CBSE Class X - 2025
- Money and Credit
Read the following sources of loan carefully and choose the correct option related to formal sources of credit:
(i) Commercial Bank
(ii) Landlords
(iii) Government
(iv) Money Lende- CBSE Class X - 2025
- Money and Credit
View More Questions