What to Do If the Iris Scan Keeps Failing During Subject One Exam?

1 Answers
VanKhloe
07/24/25 9:21pm
If the iris scan keeps failing, it could be due to distance issues or a problem with the machine. Each person's iris pigment is unique, and if the contrast is not high enough, the machine may not be able to capture the data. However, an iris scan is not required for obtaining a driver's license and will not affect the normal process of taking the driver's license exam. Below are the physical requirements for applying for a driver's license: 1. Height: Applicants for large buses, tractors, city buses, large trucks, or trolleybuses must be at least 155 cm tall. Applicants for medium-sized buses must be at least 150 cm tall. 2. Vision: For large buses, tractors, city buses, medium-sized buses, large trucks, trolleybuses, or tramcars, the naked or corrected vision of both eyes must reach at least 5.0 on the logarithmic visual acuity chart. For other vehicle types, the naked or corrected vision of both eyes must reach at least 4.9 on the logarithmic visual acuity chart. 3. Color Vision: No red-green color blindness. 4. Hearing: Must be able to distinguish the direction of sound sources with each ear at a distance of 50 cm from a tuning fork. Applicants with hearing impairments who can meet these conditions with hearing aids may apply for a driver's license for small cars or small automatic vehicles. 5. Upper Limbs: Both thumbs must be intact, and each hand must have at least three other fingers intact with normal movement. Applicants with missing fingertip sections or a missing right thumb may apply for a driver's license for small cars, small automatic vehicles, low-speed trucks, or three-wheeled vehicles. 6. Lower Limbs: Both lower limbs must be intact with normal movement, and the length difference must not exceed 5 cm. Applicants with a missing or non-functional left lower limb may apply for a driver's license for small automatic vehicles. Those with missing or non-functional right or both lower limbs who can sit independently may apply for a driver's license for small automatic vehicles designed for disabled individuals. 7. Torso and Neck: No movement disorders.
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