(Are)当您花费太多时间使用您的小工具时，您是否会感到眼睛疲劳、眼睛干涩或偶尔头痛？这表明您可能应该减少盯着屏幕的时间。但是，这可能并不总是可能的。
好消息是，您可以开始使用蓝光过滤软件来减轻眼睛疲劳，在某些情况下甚至可以改善睡眠(improve your sleep)。我们汇总了您可以在计算机上使用的应用程序列表，这些应用程序将帮助您避免蓝光的有害影响。
蓝光有什么问题？(What’s Wrong with Blue Light?)
蓝光(Blue)是您长时间盯着设备屏幕后眼睛开始疼痛的原因。持续暴露在蓝光下可以抑制褪黑激素或睡眠诱导激素的产生。这意味着继续使用您的设备可以让您保持警觉并延长您的一天，但也会扰乱您的自然睡眠周期。这可能会导致您的眼睛在一天结束时感到疲倦和过度劳累，并随着时间的推移导致各种睡眠问题甚至抑郁症。
滤除蓝光有助于恢复您的自然睡眠周期，并帮助您体内的其他生物过程，这些过程取决于您身体所暴露的光线水平。以下是一些可用于Windows(Windows)、Mac和Linux的蓝光过滤器软件示例。
(Iris mini)适用于 Windows、Mac、Linux 的( for Windows, Mac, Linux)Iris mini
Iris mini 是最好的免费应用程序之一，您可以在使用计算机时减少蓝光。它非常简单和极简：没有用户界面，没有令人困惑的多选项菜单，没有无用的按钮。下载并安装软件后，Iris将作为计算机功能区菜单中的图标出现在屏幕上。
只有 3 种模式变化：Automatic、Manual和Paused。光圈(Iris)可降低屏幕的色温和亮度，(brightness of your screen)而不会增加显示器的闪烁率。在自动(Automatic)模式下，白天色温为 5000k，亮度保持在 100%，晚上则变为 3400k 和 80%。
手动(Manual)模式可让您始终将色温保持在 3400k，亮度保持在 80%，而暂停(Paused)意味着暂停应用程序的工作。
您还可以通过支付8 美元（一次性付款）购买专业版来获得更多自定义(Pro)Iris mini 的选项。否则，该应用程序是免费的，可供Windows、Mac和Linux下载。
(Redshift)适用于 Windows、Mac、Linux 的( for Windows, Mac, Linux)Redshift
Redshift是一款免费的开源蓝光滤镜软件，可根据太阳的位置确定您的位置并调整屏幕的色温。在白天有自然光源时，您会看到屏幕过渡到不同的色温，而在夜间，您会看到与您周围的人造光源发出的光相匹配。
根据开发者的说法，该应用程序还会考虑您所在位置是晴天还是阴天，并适当地改变色温。
Redshift是免费和开源的，源代码可在 GitHub 上找到(available on GitHub)。
适用(SunsetScreen)(SunsetScreen)于 Windows 的日落屏幕( for Windows)
SunsetScreen是一款免费的蓝光滤镜应用程序，可将您的屏幕亮度调节到一个新的水平。SunsetScreen在冬季保持屏幕更亮的时间更长。
冬天天黑得早，但您可能希望保持与以前相同的工作或学习时间表。该应用程序允许您设置自己的日出和日落时间，以使其与您的生产力周期相匹配。然后，您可以创建自己的预设并选择计算机屏幕所需的亮度和色温级别。
该应用程序完全免费下载和使用。但是，目前只有一个适用于Windows的版本。
CareUEyes Lite是一款名为(CareUEyes Lite)CareUEyes的蓝光滤镜应用程序的免费版本。安装CareUEyes的(CareUEyes)Lite版本是在购买Pro版本之前测试蓝光滤镜应用程序并先看看你喜欢它的绝佳方式。
CareUEyes Lite带有亮度控制，可让您将屏幕亮度调整到不同的水平，从 20% 到 100%。由于CareUEyes Lite仅使用 600kb 的磁盘空间和尽可能少的CPU时间，它是一款即使在性能不佳的计算机上也可以安装的应用程序。
但是，如果您需要更多功能，例如蓝光过滤器、日出/日落开关和计时器，您可以购买每月 1.90 美元 起的Pro许可证。(Pro)
如果您是Mac用户，则无需下载第三方蓝光过滤软件即可在夜间过滤蓝光。Night Shift可在夜间将您的显示器转换为较暖的颜色，让您在日落后继续安全地使用计算机。
要在Mac上打开Night Shift ，请按照路径Apple Menu > System Preferences > Displays > Night Shift。在那里，您可以选择安排(Schedule)蓝光滤镜与您所在位置的日落和日出一起打开和关闭，并为其选择自定义时间表。
手动(Manual)选项打开蓝光过滤器直到日出。您还可以设置您喜欢的屏幕色温，将切换键从Less Warm切换到More Warm。
使用蓝光过滤器应用程序在夜间安全浏览(Use a Blue Light Filter App to Browse at Night Safely)
如果您不想在计算机上安装第三方蓝光过滤器应用程序(third-party blue light filter app)，请检查您的设备是否具有阻止蓝光的内置选项。与 Mac 的Night Shift类似，Windows 10有一个专用的Night Light功能，可以打开和关闭，而Ubuntu 17.10有一个完整的Night Light Mode。
您使用什么应用程序来过滤屏幕的蓝光？在下面的评论部分分享您使用蓝光滤镜软件的经验。
The 5 Best Blue Light Filter Apps For Windows, Mac and Linux
Αre yоu experiencing eye strain, dry еyеs, оr occasіonal headaches whеn yоu spend too much time using your gаdgets? It’s a sign that you should probably reduce the time you spend staring at screenѕ for sure. However, that might nоt always be possible.
The good news is, you can start using blue light filter software to reduce eye strain and in some cases even improve your sleep. We put together a list of apps that you can use on your computer that will help you avoid the harmful effects of blue light.
What’s Wrong with Blue Light?
Blue light is the reason your eyes start hurting after spending too long staring at your device screen. Continued exposure to blue light can suppress the production of melatonin or sleep-inducing hormone. This means that continued use of your devices keeps you alert and extends your day but also disrupts your natural sleep cycle. That could be causing your eyes to feel tired and overworked at the end of the day, as well as cause various sleep problems and even depression over time.
Filtering out blue light can help restore your natural sleep cycle and help other biological processes in your body that are determined by the levels of light that your body’s exposed to. Here are some examples of the blue light filter software that you can use for Windows, Mac, and Linux.
Iris mini for Windows, Mac, Linux
Iris mini is one of the best free apps that you can get to reduce the blue light while using your computer. It’s extremely simplistic and minimalistic: there’s no UI, no confusing multiple-option menus, no useless buttons. Once you download and install the software, Iris will appear on your screen as an icon in the ribbon menu of your computer.
There are only 3 mode variations: Automatic, Manual, and Paused. Iris reduces the color temperature and brightness of your screen without increasing the flicker rate of the monitor. In Automatic mode during the day the color temperature is 5000k and brightness is kept at 100%, and at night it’s changing to 3400k and 80%.
Manual mode allows you to keep the color temperature at 3400k and brightness at 80% at all times, while Paused means pausing the work of the app.
You can also get more options to customize Iris mini by paying for the Pro version for $8 (one-time payment). Otherwise, the app is free and available to download for Windows, Mac, and Linux.
Redshift for Windows, Mac, Linux
Redshift is free and open-source blue light filter software that determines your location and adjusts the color temperature of your screen according to the position of the sun. You’ll see your screen transition to different color temperatures during daytime when there’s a natural source of light and during nighttime to match the light from the artificial light sources that surround you.
According to the developer, the app also takes into account whether it’s a bright or an overcast day in your location and changes the color temperature appropriately.
Redshift is free and open-source, with the source code available on GitHub.
SunsetScreen is a free blue light filter app that takes regulating your screen’s brightness to the next level. SunsetScreen keeps the screen brighter for a longer period of time during winter months.
In winter it gets dark earlier but you might want to keep the same working or studying schedule as before. The app allows you to set your own sunrise and sunset times to match it with your productivity cycle. You can then create your own presets and select the level of brightness and color temperature that you want for your computer screen.
The app is completely free to download and use. However, there’s only a version for Windows available at the moment.
CareUEyes Lite is a free version of a blue light filter app called CareUEyes. Installing the Lite version of CareUEyes is an excellent way to test out the blue light filter app before buying the Pro version and see how you like it first.
CareUEyes Lite comes with a brightness control that allows you to adjust your screen’s brightness to various levels, from 20% to 100%. Since CareUEyes Lite only uses 600kb of disk space and as little CPU time as possible, it’s an app that you can install even on a poor performance computer.
However, if you need more features like the blue light filter, the sunrise/sunset switch, and timer, you can buy the Pro license that starts at $1.90 per month.
If you’re a Mac owner, you don’t have to download third-party blue light filter software to filter the blue light at night time. Night Shift shifts your display to warmer colors at night, which allows you to keep working on your computer safely after sunset.
To turn on Night Shift on your Mac, follow the path Apple Menu > System Preferences > Displays > Night Shift. There you have an option to Schedule the blue light filter to turn on and off together with the sunset and sunrise in your location, as well as choose a custom schedule for it.
The Manual option turns the blue light filter on until sunrise. You can also set the color temperature of the screen that you prefer moving the toggle from Less Warm to More Warm.
Use a Blue Light Filter App to Browse at Night Safely
If you don’t want to install a third-party blue light filter app on your computer, check if your device has a built-in option to block the blue light. Similar to Mac’s Night Shift, Windows 10 has a dedicated Night Light feature that you can switch on and off, and Ubuntu 17.10 has an entire Night Light Mode.
What app do you use to filter out your screen’s blue light? Share your experience with blue light filter software in the comments section below.
