👉 Shortsightedness, also known as nearsightedness or astigmatism, is a condition in which an individual has difficulty focusing on distant objects clearly. This can lead to difficulties with reading, driving, and other activities that require good visual acuity.
The primary cause of short-sightedness is the lack of protein in the lens (the front part of the eye) that allows light from the sun to travel through it. As a result, light rays that are parallel to the retina
shortsightedness