iOS 9.3 Update

iOS 9.3 is now available for download and it may actually help you get a better nights sleep

You may or may not know that blue light is very harmful to your eyes and more and more research is beginning to come out on this hot topic. We are surrounded by electronics, compact florescent bulbs and LED lights whether it be cell phones, computers or the lights we are under all day long. High-energy visible (HEV) light often referred to as ‘blue light,’ near the ultraviolet (UV) end of the visible spectrum is not only found in sunlight, but also in these light sources we use in copious amounts.

Light Spectrum

This high-energy visible (blue) light penetrates through your cornea, or front surface of the eye, through the pupil and lens to the back of the eye where the macula is. The macula is very important as it is our very central vision, where we are able to focus light. In front of the macula rests a layer of pigment that soaks up this harmful blue light. This layer of pigment is very similar in the way sunglasses help dim bright light, however light is not totally blocked and is still reaching the macula. The thinner your pigment layer the more at risk you are to Macular Degeneration.

Apple iOS 9.3 Update

Nighttime exposure to artificial light, which for the great majority of us happens without much thought or awareness, disrupts the body’s circadian rhythm, altering the 24-hour biological clock that controls our sleep-wake cycle. In addition to wreaking havoc with sleep, disruptions to circadian rhythms also have been associated with a number of serious diseases, including cancer, diabetes, depression and heart disease. With the new iOS 9.3 software update you now have a new setting feature called Night Shift. Night Shift uses your iOS device’s clock and geolocation to determine when it’s sunset in your location, then it automatically shifts the colors in your display to the warmer end of the spectrum. In the morning, it returns the display to its regular settings. You are also able to manual change when you want you phone to be in night shift mode and have the capability to have a warmer display throughout the entire day. Settings > Display and Brightness > Night Shift

How many of you browse through your phone, apps and social media outlets while laying in bed prior to falling asleep?

If you really think about how much time you spend on a device that emits high-energy visible blue light you will need to do some simple math.

How many hours are you at a computer?


How many hours are you looking at your phone?


How many hours are you looking at a tablet?


How many hours are you watching television?


How many hours are you under fluorescent or LED bulbs?


How many hours are you in the sunlight?



The total amount of hours you just calculated may be surprising as you may have found that for nearly your entire day you are subjected to harmful blue light. Macular degeneration caused by blue light is preventable and it is time to begin protecting yourself. At our office during all of our comprehensive eye health evaluations we run a macular pigment scan that showing us the thickness of a patients protective pigment. If low, we are able to prescribe a supplement that can actually thicken this layer to better protect your macula. We also have a technology that we can put into your eyeglass lenses that reflect this harmful blue light while looking at a computer, cell phone, tablet etc.

If you are worried or curious about your ocular health, call us to schedule an evaluation and we can help you become your own blue light advocate. In a world where technology is becoming more and more advanced we look forward to a day where we further understand this blue light and work to help eliminate the threat to our health. Follow these links to learn more and please feel free to call our office if you have any questions.

Blue Light Blues
Apple iOS 9.3