what is the name of the eye defect in which a person cannot see near as well as far objects
The defect is called presbyopia.
What are the two defects of eyes in seeing near and far objects called as? Give one correction method for each. [3 MARKS]
The defect of vision in which a person is able to see nearby objects clearly, but not far objects is called:
Name the eye defect in which eye lens becomes cloudy or milky. Mention the method for its correction. A person uses a lens of power -1.0 D for correcting his distant vision and for correcting his near vision he uses a lens of power + 2.0 D. Calculate the focal length of the lenses required to correct these defects. Explain why a normal eye is not able to see clearly the objects placed closer than the near points.