Question:
Define defects of vision.
Answer:
1. Myopia- If eye lens does not become thin as per requirement then the distant objects cannot be seen clearly, though nearby objects may be seen clearly.This type of vision defect is called myopia.
2. Hypermetropia- A person suffering with this vision defect cannot see the nearby objects clearly but he/ she can see the distant objects clearly.
3. Presbyopia- In this vision defect it is difficult to see nearby and distant objects.
4. Cataract- when a milky and cloudy layer is formed on the eye lens of old age person, they loose their vision partially or completely.This situation is called cataract.
Not what you are looking for? Go ahead and submit the question, we will get back to you.
