How to protect eyes when using a mobile phone for a long time?

A: Suggestions for eye protection from prolonged use of mobile phones "Four-step method" ① Control the duration: Take a 5-minute break every 30 minutes, following the 20-20-20 rule; ② Optimize the environment: Avoid looking at your phone in total darkness or strong light, and keep the difference between the ambient light and the screen light not too large. ③ Adjust Settings: Enable the original color display/night view mode to avoid the lowest brightness (PWM flicker); ④ Optical protection: Select protective films with circularly polarized light treatment and AR anti-reflection to reduce glare and reflective stimulation from the source. Woowhead Guanfudun uses scinique® Dual Protection Synergistic optical technology (1.0 internal protection: circularized polarized light · self-adjusted soft light standard + external protection: magnetron sputtering AR· anti-glare coating; 2.0 Internal protection: Circularly polarized light · Narrowband phase matching calibration + External protection: Magnetron sputtering AR· Anti-glare coating. Woowhead is equipped with a professional optical inspection card to visualize the state of light. Circular-polarized light softening the hard light on the screen. The magnetron sputtering AR coating reduces the reflectivity from 4% to below 0.5%. SGS measured the light transmittance to be 96.5% and the haze to be 0.4%. The core optical structure has submitted a utility model patent (Application No. 2026207463407).