Get Clear Vision at a Distance With Comprehensive Eye Testing Guide
In eye related problems doctors need to check through some specific tools and equipment that gives accuracy in defining the exact source of the problem and the problem itself. An eye testing drum is a unique tool that eye professionals use to assess your vision. It looks like a big cylinder with graphics of varying sizes on it. The drum helps the optometrist determine whether your eyesight is okay or whether you might need glasses. You'll be told how close to sit to the drum for the eye examination. The doctor will follow project letters or pictures onto the drum, and you'll need to explain what you see. The writing or graphics get smaller as you move down the eye-testing drum. The distance vision chart typically consists of various-sized rows of text or symbols. The letters at the top are more prominent and more accessible to see than those at the bottom . The eye physicians want you to read the letters aloud while sitting or standing at a specific distance from the chart