How does a person with 2040 vision improve their vision without glasses?

A person with 20/40 vision can improve their eyesight through several methods, such as vision therapy, which includes eye exercises designed to enhance focusing skills and coordination. They may also benefit from lifestyle changes, like reducing screen time, maintaining a healthy diet rich in vitamins A, C, and E, and ensuring proper lighting while reading. Regular eye exams can help detect any underlying issues that may be addressed with specific treatments or corrective lenses if necessary. Additionally, protective eyewear during activities can prevent further strain or injury to the eyes.