The DMV also offers the Optec1000visiontesteras an alternative to the SnellenChart. The SnellenCharthas multiple lines of letters, and each line indicates a certain visualacuity. Drivers must be able to read the 20/40 line with both eyes open. To use the Optec1000, look into the machine. How Do You Pass a DMV Eye Exam? | Reference Was this helpful?
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