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3. Psychological & Physiological

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6. Methods of Testing Vision

Vision testing is a crucial part of screening driver license applicants. The DMV utilizes two primary methods to assess distance visual acuity:

Snellen Wall Charts: These charts display letters of varying sizes, and applicants are required to read the letters from a specific distance. A person with 20/20 vision can read 3/8-inch high letters clearly from 20 feet away, which is considered normal vision.

Optec 1000 Vision Tester: This optical device is also used for distance visual acuity testing. It ensures that applicants have no worse than 20/40 vision. A person with 20/40 vision can read letters from a distance of 20 feet that a person with normal 20/20 vision would be able to read at 40 feet.

By conducting these vision tests, the DMV aims to ensure that all driver license applicants meet the minimum visual requirements necessary for safe driving.


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Lesson Summary


  

Lesson 3 Quiz


You will now answer 5 questions to test what you learned during this lesson. You must answer all questions correctly to receive completion credit for this lesson. You may answer the questions as many times as necessary to get them right.

You should review the lesson material if you don't do well on the quiz.

  1. The "P" in the SIPDE process stands for:


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  2. Your "Field of Vision" is:


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  3. When listening to your car radio, or other audio device:


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  4. A vehicles' "blind spots" are:


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  5. The colorless, odorless and poisonous gas from the exhaust is called:


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