Screen privacy filters work pretty well, but nice ones aren’t cheap, especially if you have a large monitor. If you don’t want to spend somewhere between $30 and $150 on one, you could always ...

· 【Eye Protection】Computer screen privacy screen with matte finish prevents glare and softens harsh light, by blocking 95% of reflected light, filtering 65% of blue light and 96% of UV rays ...

One Screen Fits 23-24 Moniotr: The computer privacy screen 24 inch is designed to perfectly compatible with all 23-23 inch monitors with the aspect ration of 16:9.

Adaptix also makes privacy screens to fit other screen dimensions, ... It’s designed specifically for Apple’s 13-inch laptops, making it a perfect fit for your computer ...

[dimovi] had a spare LCD monitor sitting around and thought it would be great to convert it into a “privacy” monitor. The process is simple enough for anyone comfortable with disassembling ...

—— It’s another level of privacy entirely. 24 in monitor privacy screen filter provides a clear view from the front while sides are invisible, ( the anti-peep angle is about 30°- 60°).

I have 2 wide screen displays. I use one in portrait and one in landscape. If the privacy screen is on and I rotate to portrait it doesn't work. Do they make special screens for portrait orientation?

It’s easier to see smudges and dust on a black screen, so turning off your monitor makes it easier to see what you are doing. It’s also safer for you and your computer.