Two images from the spectrometer software that show intensity for each wavelength in nanometers. The present study aims to determine the efficacy of a blue light-blocking screen protector on three handheld devices (iPhone 8, iPhone X, and iPad 9.7”) in reducing blue light intensity. A practical advantage of using blue light-blocking screen protectors over applications like NS is the preservation of normal colors on the screen, while the latter tints the display color orange-red. Alternatively, smartphone applications are available that claim to block blue light emitted from electronic devices, such as night shift (NS) in Apple Inc. A recent systematic review evaluating the efficacy of blue light-blocking spectacle lenses on visual performance, macular health, and the sleep-wake cycle found that there is currently no high-quality evidence supporting their advantage. These include blue light-blocking glasses, intraocular lenses, and screen protectors (adherent glass over the display of smartphones and tablets). Potential negative health outcomes associated with blue light exposure have led to the development and marketing of products that claim to block it. Blue and visible light exposure can also potentially contribute to age-related macular degeneration however, results are mixed and inconclusive because various factors can play a role in the development of this disease. Exposure to digital displays can suppress melatonin levels and modulate sleep. Intrinsically photosensitive retinal ganglion cells, which express melanopsin and are maximally sensitive to blue light, regulate nonvisual physiological responses such as circadian clock, sleep, and melatonin suppression. Cultured human retinal pigment epithelial (RPE) cells are also susceptible to phototoxicity from visible light in a wavelength-dependent manner.Īlthough the intensity of blue light emitted from electronic devices is much lower than from daylight, there is evidence that even at low intensity, artificial blue light from digital devices can cause oxidative damage to human RPEs in vitro. Phototoxicity of short-wavelength light (400–500 nm) to the retina of animal models, such as rats and monkeys, has been well established for many years. No matter what tools you need to make working anywhere simple and seamless, Targus is here to help.With near-ubiquitous use of high-intensity light-emitting diodes in artificial lighting and backlit displays of smartphones, tablets, and computers, the human eye is becoming increasingly exposed to blue light beyond what is found in ambient daylight. Targus has created a number of other security and protection options, from universal cable locks to tempered glass screen protectors. When we design and develop our privacy screens, we consider more than just the on-screen data you might be working with. Additionally, several of our computer privacy screens were designed to include unique features such as reversible screens, reusable adhesive strips, screen protector functionality, and widescreen compatibility. While many of our screens are made for specific computer brands, like HP and Lenovo or the MacBook Pro Series, we do offer options that are universal. Anti-microbial: helps prevent bacteria growth on select privacy screen models.Comfortable viewing with blue light filters.Easy installation with magnetic attachments.Explore Targus’ innovative privacy solutions and discover styles built specifically for your computer’s make and model. With screen sizes that range from 9.7” to 30”, we have options for every device, from tablets to laptops. Whether you work during your commute or spend time working in a coffee shop, the sensitive information on your screen stays safe from onlookers when you use Targus privacy screens. Protect your privacy with high performance privacy screensĪt Targus, we know that privacy is critical for a business person on the go.
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