Let me start by saying this: the Ocushield Anti Blue Light Screen Protector does what it promises. After hours of staring at my MacBook Pro, my eyes feel noticeably less strained. The blue light reduction is real, and the privacy filter is a nice bonus when working in public spaces.

However, installation is where things get messy. Despite carefully following the instructions, I ended up with stubborn bubbles that refused to disappear. The edge-only adhesive design means the middle section flaps around like a loose sail in the wind. It's frustrating because when it works, it works well - but you have to be willing to tolerate some visual imperfections.

The anti-glare feature is hit or miss depending on your environment. In my moderately lit home office, it performs decently. But friends with brighter workspaces report significant glare issues that almost defeat the purpose.

Customer service seems responsive but not always helpful - a common theme in reviews. My advice? Measure your screen three times before ordering, and be prepared for potential installation headaches. When it works, it's fantastic for eye comfort; when it doesn't, you'll understand why some reviewers call it 'absolute rubbish'.

Final verdict: Great concept with flawed execution. Worth trying if you're desperate for blue light protection, but temper your expectations about achieving a bubble-free application.