Optical illusion personality tests use strange images to reveal traits about oneself based on what they see first. If you see a question mark first, it suggests you're ambitious but underconfident. If you notice a man's face, it implies you're kind and honest but can be overly trusting. These insights can help people understand their personal growth and interpersonal expectations.Optical illusion personality tests use strange images to reveal traits about oneself based on what they see first. If you see a question mark first, it suggests you're ambitious but underconfident. If you notice a man's face, it implies you're kind and honest but can be overly trusting. These insights can help people understand their personal growth and interpersonal expectations.