A man finds it difficult to read the Odometer on the dashboard of the car but is able to clearly read a distant road sign. Which of the following statement is correct
Answers
Explanation:
The near point of his eyes has receded. If a man driving a car can see a distant road sign distinctly but cannot read the odometer on the dashboard of the car clearly, it suggests that the near point of his eyes has receded.
Human Eye
Given:
A man has difficulty seeing the odometer and can clearly see the distant road sign.
Explanation:
As per the given statement, it can be inferred that he has difficulty seeing nearby objects, but has normal vision in case of seeing distant objects. This condition is known as Hypermetropia or Far- Sightedness or Long Sightedness.
Reason behind this condition:
These type of problems come under the category of refractive errors. Long sight can occur at any age but it tends to become more noticeable above the age of 40 years.
In normal eye, the image is formed on retina, but in the eye suffering hypermetropia , light focused behind the retina.
Treatment:
It can be corrected using convex lens , usually in glasses or contact lenses. Sometimes surgery is also needed.