Question

Increase in the converging power of eye lens cause 'hypermetropia' is this statement true or false. say with explain​ation.

Answer 1

Answer:

Explanation:False statement

As increasing converging power of eye lens wil make image in front of retina but in hypermetropia the image is formed behind retina.

We conclude that increasing converging power will cause myopia not hypermetropia.

Answer 2

Answer: The statement is false. The correct statement is "Increase in the converging power of eye lens cause Myopia".

Explanation:

The ability of organisms to see the things is called vision or eyesight. In case of defect of vision a person is unable to focus the object on retina and the image is seen blur.  

Types of defect of vision includes myopia (Short-sightedness), hypermetropia (Long-sightedness), and presbyopia.

Facttors affecting the defects of vision involve converging power of eye-lens and defect in eye ball.

Increase in the converging power of eye lense causes "Myopia". In this defect ciliary muscles connected with the eye lens lose its ability to relax properly and reduces the focal length that increases the converging power and causes myopia.

Decrease in the converging power of eye lense causes "Hypermetropia". In this defect the focal lengthof lense increases that reduces the the converging power and causes Hyperemetropia.

Thus the correct statement is "Increase in the converging power of eye lens cause Myopia".

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