Visual Acuity:Visual acuity is a measure of how well an individual can distinguish fine details or letters at a given distance. It is often tested using eye charts.
Myopia: Myopia, also known as nearsightedness, is a condition where distant objects appear blurry due to the focal point falling in front of the retina instead of directly on it.
Astigmatism: Astigmatism is an irregular curvature of the cornea or lens that causes blurred or distorted vision at any distance.