Bluelight Filter+ HealthySleep

About Bluelight Filter+ HealthySleep Android App

👁️ Tips For Loss Eye Strain.
👁️ Astigmatism
👁️ Visual Acuity
👁️ Amsler Grid
👁️ Far Vision Test
👁️ Near Vision Test
👁️ Color Blindness Test
👁️ Digital Eye Strain Monitoring.
👁️ Tips To Protect Eyes.
👁️ Bluelight is designed for phone lovers to filter blue light and protect eyes!👁️

👁️ Did you feel uncomfortable on your eyes when use smart phone for a long time? The reason is bluelight on your smartphone causes eyestrain. Blue light is a harmful light that cause damage to the Retina and keeps you from falling asleep at night or even cause sleep disorder and sleepless. Blue light can also lead to shortsighted or cataract, if you use smartphone all the time.

👁️ For girls, eyes protection is more important. Eye stain can easily cause dark circle and pouch on eyes which harms your beauty.

👁️ Twilight is an effective screen filter which can reduce the blue light to protect and relax your eyes, making it easier for you to fall asleep at night. Eye care becomes easy now! Say goodbye to blue light.

👁️ Twilight helps to loose your eye strain while using mobile phones at night.

👁️ Are you having trouble falling asleep?
👁️ Are your kids hyperactive when playing with the tablet before bed time?
👁️ Are you using your smart phone or tablet in the late evening?

👁️ Recent research suggests that exposure to blue light before sleep may distort your natural (circadian) rhythm and cause inability to fall asleep.

👁️ The cause is the photoreceptor in your eyes, called Melanopsin. This receptor is sensitive to a narrow band of blue light in the 460-480nm range which may suppress Melatonin production - a hormone responsible for your healthy sleep-wake cycles.

👁️ https://www.sciencedaily.com/terms/circadian_rhythm.htm

👁️ Basics on circadian rhythm and the role of melatonin
http://en.wikipedia.org/wiki/Melatonin
http://en.wikipedia.org/wiki/Melanopsin
http://en.wikipedia.org/wiki/Circadian_rhythms
http://en.wikipedia.org/wiki/Circadian_rhythm_disorder