The highest energy form of visible light is blue light. It can often be found in electronic devices. Fortunately, blue light glasses block and protect your eyes from the negative effects of blue light, which is otherwise unavoidable. This article will review everything you need to know about the effects of blue light and how blue light glasses can help prolong your eye health.
Blue light is a high-energy visible (HEV) light found in sunlight (seen by the naked eye) and artificial sources, such as phones, tablets, computers, and televisions. It is a form of electromagnetic radiation, like ultraviolet (UV) rays and infrared radiation.
Light is measured in nanometers, and blue light is shorter than other lights standing between 380 and 500 nanometers, making it high energy and dangerous. Blue light is mainly harmful because it offers no health benefits and can cause significant damage to the retina and macula, where most of the cells in the eye are located.
Blue light can lead to several eye conditions, such as dry eye, eye-straining that lasts for days, blurry vision, early macular degeneration, and an overall decrease in vision quality. In addition, consistent exposure to blue light can cause frequent and prolonged headaches and migraines in some people.
According to a 2016 study from the Molecular Vision Biology and Genetics in Vision Research, blue light also suppresses melatonin production, making it harder for patients to sleep at night. However, they can try to switch off their devices an hour before bedtime can help them get a better night’s sleep. This can also help prevent melatonin suppression caused by blue light exposure.
Blue light glasses are a type of eyewear that blocks the blue light emitted by digital devices and UV rays. They are similar to sunglasses in that they have a tinted lens (they may be polarized or non-polarized). However, unlike regular sunglasses, blue light glasses block all wavelengths of visible light except for the ones the patient wants– in this case, blue.
Blue light glasses block the blue light spectrum in two ways. The first way is by using a filter to remove blue light from the patient’s field of vision. The second way is the lenses are tinted with a special coating that blocks blue light.
The benefits of blue light glasses are undeniable. They can help reduce the symptoms of eye strain, such as irritation and burning. This is especially important for people who spend a significant amount of time in front of computer screens or staring at their mobile devices. They can also help promote a patient’s daily performance as well helping them get a restful night’s sleep. In addition, blue light glasses prevent or aid in medical conditions such as macular degeneration, glaucoma, cataracts, and age-related degeneration (ARMD):
Blue light is unavoidable, and while blue light glasses offer a certain level of protection, it is still best to adopt eye-health-friendly habits. Some habits include:
If you are feeling the effects of blue light, such as headaches or fatigue, we recommend scheduling an appointment with an optometrist today. Blue light glasses can help your daily performance and help you rest, all without the risk of damaging your eyesight. If the thought of wearing special glasses all day sounds daunting, do not worry. There are many different frames available for you to choose from that can fit your everyday life and personality.
We currently offer blue light glasses in the Dallas area. Visit https://www.texasoptical.net or call our office (214) 771-7333 to schedule an appointment.
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