BLUE LIGHT GLASSES SYDNEY CBD Personaleyesoptometry.com.au
BLUE LENS GLASSESWhat is the hype about blue light, circadian rhythms, blue light glasses,melatonin, smart phones, ipads, computers and all LED devices? Is it good forus? Is it harmful?Our bodies have an internal clock that in any given 24 hour period controlssleeping, waking and many other processes of our physiology. Daily exposureto sunlight (which contains blue light) is the stimulus that stops our circadianclock going out of balance. It can be particularly hard for people who live in Polar Regions, whereprolonged dark or prolonged light periods make it hard to regulate their bodyclocks. It can cause and create a prolonged feeling of jetlag, fatigue andsleeplessness, and you can end up performing below expectation andpotentially put your health at risk. Personaleyesoptometry.com.au
COMPUTER GLASSES SYDNEY R ed and irritated eyes Dry eyes Blurred vision F atigue Back, neck and shoulder pain H eadachesIt is not completely clear why blue light is most important for a good bodyclock. It is known that the pigmented cells within the retina are activated by bluelight and thereby regulate the body clock. Once these Melanopsin receptors are activated they prevent melatoninrelease during the day and they then begin to increase production in theevening, hopefully result in a good restful sleep. Melatonin is a hormone that is released from the pineal gland, which islocated in the centre of our brain. Personaleyesoptometry.com.au
PRESCRIPTION GLASSES SYDNEY CBDIt has been found that with the increase in social media both adults andchildren who use smart devices well into the evening can nd it harder to fallasleep regardless of how late it is. Shift workers can also su er. Smart phones, computer monitors and TVs canproduce large amounts of blue light. This blue light tricks the body in thinking it is daytime, and as a resultsuppresses the melatonin release and wakes us up and prevents sleep. The body needs the external cue of morning light shining in to our eyes toreset our clocks to regulate our waking time and our sleep time. Personaleyesoptometry.com.au
BLUE LENS GLASSESBlue light is one of the shortest high energy wavelengths and is within therange 380-500nm. The visible light spectrum, which the human eye candetect, is 390-700nm. The visible light spectrum can be broken down to what we see in the coloursof the rainbow –red, orange, yellow, green, blue, indigo and violet. There isevidence that prolonged exposure to this high energy blue light can causeharmful eye damage. Obviously, the prevalence of computers o ce workers in the Sydney CBDmeans an increases in the amount of the blue light we are exposed to.There is a large body of evidence that suggests blue light interferes withsleep. It can reduce overall sleep time and it does reduce the production ofmelatonin. Personaleyesoptometry.com.au
EMERGENCY COMPUTER GLASSES REPAIR The sleep quality is often also a ected with lighter sleep levels and broken sleep. Blue light has also been found to increase body temperature at night further inhibiting the body progressing in to sleep. Other studies have shown that the exposure of red light in the evening for equivalent periods of blue light exposure resulted in lowering of body temperature and better sleep quality. The e ect or poor sleep is not just about poor work performance and catnaps but it can have a serious impact on Sydney o ce workers health potentially reducing immunity, causing hypertension and poor blood sugar control for diabetics. I ncrease attention and alertness Increase reaction time Lessen daytime fatigue and sleepiness L engthen attention span Personaleyesoptometry.com.au
COMPUTER GLASSES SYDNEYIt is thought by some that too much exposure to blue light could increase thedevelopment of macular degeneration as blue light is easily transmitted tothe retina.So we have heard that blue light is harmful and blue light glasses can helpSydney o ce workers, but there is another side to the story that suggestsblue light is bene cial?. Exposure to blue light during daylight hours can –Blue light glasses are available in Sydney in both prescription and non-prescription form. A comprehensive eye examination is recommended as a rst step to discuss the need and bene ts of blue light control glasses. Our optometrist at Personal eyes Optometry in the Sydney CBD can checkyour vision, measure any refractive error (the basis to decide if spectacles areneeded) and do a health assessment. Often this can be a bulk billed eye test performed at a convenient time foryou from our central Sydney o ce. If the need for a prescription is established, then the Optometrist or one ofour quali ed Optical Dispensers will discuss alternatives of methods of bluelight control in your glasses.We don’t need continuing exposure to blue light to get its advantages. Eventhirty minutes of blue light exposure in the morning can achieve the itemslisted above. Personaleyesoptometry.com.au
BLUE LENS GLASSESThere are many designs of spectacle lenses including single vision, bifocal,multifocal, desk style, anti-fatigue and more. In most cases special blue control anti re ection coatings are available inboth stock and specially ground prescription lenses. At Personal Eyes Optometry in Sydney, some of these blue light glasses canbe produced the same day.Most people will not notice any particular di erence from their currentuntreated lenses, but on careful inspection of blue light glasses may reveal aslight tint that is visible against a white background. For this reason blue light glasses may not be suitable for some occupations.Some examples of available lens types from the manufacturers are – Rodenstock Balance H oya Blue Control Carl Zeiss Duravision Blue Protect Nikon SeeCoat Blue UV Opticare Blue Guardian E ssilor Crizal PrevenciaAt Personal Eyes Optometry in the Sydney CBD, we have had feedback fromsome of those that have been using their blue light control glasses and thegeneral consensus has been a noticeable reduction in eyestrain and eyefatigue. Personaleyesoptometry.com.au
PRESCRIPTION GLASSES SYDNEY CBDMany of the smart devices today have the option of blue light ltering appsavailable within their operating system. Apple, for instance, has Night Shiftthat allows the screen lighting to be shifted to a warmer colour. This can be a simple adjustment made from Settings on the control panel,and this of course can then be readjusted back to normal for daytimesettings.In summary blue light is both essential for wellness but it can createproblems with good sleep and our circadian clock. Melatonin is essential forgood sleep and indeed, these days, many people do have it prescribed as asupplement by their GP, particularly those with auto-immune disorders. Personaleyesoptometry.com.au
BLUE LENS GLASSESRemember that with good daylight exposure we can improve our mood, ourmemory and motor skills, improve attention and therefore strengthen ourcircadian rhythms resulting in an improvement on our night sleeping. To assist we can use our blue light glasses to reduce the fatigue and eyestrainthat Sydney computer users get with many of these LED Smart devices. Alternatively we can reduce the use of these devices at night (or better still toavoid them) or refrain from using them 1-2 hours before bed and if possible,do not recharge them by your bedside, removing the temptation to use them. Personaleyesoptometry.com.au
Contact UsPersonal Eyes Optometry Sydney CBDAddress: Suite 9, Level 5/428 George St, SydnNSW 2000, AustraliaPhone: +61 2 9235 2236 / (02) 9233 2899personaleyesoptometry.com.au
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