Cover Your iPhone With The Eye Care Screen Protector By PERFECTSIGHT & Enjoy Your iPhone Like Never Before! Do you have following symptoms of Digital Eye Strain 1 Redness, irritation or dry eyes from staring at the bright backlight of screens for long periods; also reduced blinking 2 Blurred vision due to screen glare 3 General fatigue from staring at screens and straining to see small fonts and images 4 Back and neck pain due to poor body posture when a screen is not positioned properly 5 Headaches from repeated eye strain Main instruction of Eye Care Tempered Glass Screen Protector Compatible with iPhone 13 / iPhone 13 Pro By PERFECTSIGHT Anti-Glare, blocks more than 55% of the glare with the Nano-Etching technology Low reflection, blocks more than 60% of the reflection of the mirror screen of phone and tablet computer Blue Light Filter, blocks about 30% of the blue light of 400-500nm short wave Addtional Performace of Eye Care Tempered Glass By PERFECTSIGHT 2.5D Curved Edge, Case Friendly 9H Hardness, Scratch Resistance, Shatter-Proof Dust-Free, Fingerprint-Free by AF Vacuum Evaporation 0.33mm thickness, thinner more than you want Easy to Past, Bubble-Free Installation A Complete Package For The Utmost Care Of Your Screen: 1 Eye Care Screen Protector of high quality tempered glass 1 White microfiber wipe 1 alcohol wipe 1 Dust absorber 1 Detailed Installation instructions?Case Friendly, Full Coverage not Edge to Edge, Easy Installation? 2.5D Curved Edged Design for iPhone prevents chipping, providing enhanced safety and greater compatibility with a variety of cases, work perfectly. ?Amazing Fingerprint and Smudge Resistance, Feels Smooth Sensitive to Touch ?A healthy tempered film to help you guard 24 hours,Only 0.3mm thick, this screen protector maintains high touch sensitivity. Silky smooth feel, giving you an extraordinary cell phone experience when you watch videos, read news, play games. ?Double Protect Eye, Anti-Eye Fatigue and Good Sleeping?Anti-blue light filter for tempered glass screen protector compatible with iPhone 13/ iPhone 13 Pro 2021 uses “Japanese TOYO anti-blue light material” to minimize Digital Eye Strain caused by harmful blue light emitted from digital screens, promote healthy melatonin levels for improved sleeping. ?Eye Care Relief Eye Strain - Anti-glare and Low-reflection not HD Clear?PERFECTSIGHT diamond grade screen protector designed for iPhone 13 pro/ iPhone 13 reduces screen reflection and cuts down glare flicker, providing a more comfortable viewing experience by limiting eye damage caused by reflection and glare, and by relieving eye muscle fatigue, dry eyes, blurred vision and other symptoms. ? Sapphire Grade Incrediable Defense?Remarkable explorsing-proof glass, high strength & impact resistance, upgrade to Mohs hardness greater than grade 7, 400? tempered, tough protective layer, high strength & impact resistance, more durable. Ion exchange process, easily resist daily scratches from sharp objects without leaving traces,One sapphire tempered glass is worth more than 10 ordinary tempered glass films.