Lambda: Eye Protector is an Android application developed by Lambda Applications that falls under the category of Lifestyle and subcategory of Health & Fitness. It is a comprehensive eye care app that helps you protect your eyes from the blue light emitted by your phone and tablet screens. The app has a simple layout, making it comfortable for everyone to use. Using this app as a part of your eye care routine can help enhance your outcome during night reading, as it reduces blue light by adjusting the screen to a natural color.

The Blue light filter, a prominent feature of this app, is used to reduce blue light by adjusting the screen to a natural color, thereby reducing its impact on your sleep. According to scientific studies, exposure to blue light imposes serious threats to retinal neurons and inhibits the secretion of melatonin, a hormone that influences circadian rhythms. Reducing blue light can greatly improve sleep. The app has many other features that assist in eye care, such as Screen Filter Intensity, Screen Dimmer, Eye Protector From Screen Light, and various adjustments to filter and dimmer strength, filter/dimmer colors, phone opacity, and brightness.