Anti-bluescreen film to prevent myopia

Model: Apple All-in-One Screen Protector

1st Version: 21.5-inch iMac (without optical drive) HD Scratch Resistant
2nd version: 21.5-inch iMac (without optical drive) Eye Protection Anti-Blue Light HD Film

3. Version: 21.5-inch iMac [without optical drive] Anti-Radiation Anti-Blue Light HD Film