Multiple choice

What is state called, in which one cannot see both the vertical and horizontal lines simultaneously?

  1. Cataract

  2. Presbyopia

  3. Astigmatism

  4. None

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Astigmatism is a common vision condition caused by an irregularly shaped cornea or lens, which prevents light from focusing properly on the retina, leading to blurred vision at all distances and difficulty seeing vertical and horizontal lines simultaneously.