Which lens is used for the correction of presbyopia ?

Explanation

To solve the question regarding which lens is used for the correction of presbyopia, we can follow these steps:

### Step 1: Understand Presbyopia
Presbyopia is a vision condition associated with aging, where the eye's lens loses its flexibility, making it difficult to focus on close objects. This condition typically affects individuals over the age of 40.

### Step 2: Differentiate Between Vision Problems
Before addressing presbyopia, it's important to understand other common vision problems:
- **Myopia (Nearsightedness)**: In this condition, individuals can see near objects clearly, but distant objects appear blurry. Myopia is corrected using a concave lens.
...