Argumentative Essay On Blue Light

“Every living thing on the surface of the planet has a system to synchronize [itself] with day and night” (Barone 8). Sleep is a natural part of life and most people, at some point in their life, experiences difficulty sleeping. Today, however, sleep disruption is becoming a more prominent issue due to the rising number of electronic devices. Because of the blue light illuminance these devices produce, the brain’s secretion of the sleep-inducing chemical melatonin is disrupted; therefore, impacting the circadian rhythm of the human body. Since society continues to stare at screens late into the night or right before bed because of school, work, or entertainment, the blue light emittance disrupts sleep patterns and damages the retina of the eyes. However, because of this rising problem, technology companies are beginning to provide solutions. Technological devices are becoming more prevalent in society. With items including the iPhone, iPad, computer, kindle, and other tablets, people do homework, pay bills, surf the web, check social media, and watch Netflix late into the night. However, despite the advantages of …show more content…
In their article “Blue-Light Filtering Spectacle Lenses: Optical and Clinical Performances,” Leung et al acknowledged, “ adequate blue light is necessary for normal visual function” (3). Blue light is emitted by the sun during daylight and helps in differentiating between colors and allowing eyes to adjust for night vision (Leung et al 2). In her article “Seeing Blue: the Impact of Excessive Blue light exposure,” Heather Ford states, “Blue light plays an important role in the body: it maintains circadian rhythms, improves alertness and can even be used in conjunction with photodynamic therapy to treat cancer lesions” (88). Blue light is a natural signal to the brain that it is daytime; therefore, it is time to be awake and productive in