How does Blue light Affect your eyes
                     HOW DOES  
BLUE LIGHT 
 AFFECT
YOUR 
 
EYES?
What is Blue 
LBluieg lighht bte?longs to visible light spectrum,  
precisely what human eye is able to view. It  
tends to vibrate within 380-500 nanometer  
range, possess the highest energy and 
shortest  wavelength. Approximately one-third 
of visible  light can be stated to be blue light 
of which  sunlight is considered to be a major 
source.
Few artificial sources include tablet 
screens,  smartphones, computer monitors, 
LED TVs,  fluorescent light, etc.
Sources of Blue 
Light
Sunlight is the major source of Blue 
light.
Artificial Sources include: 
 Fluorescent light
LED TVs
Computer monitors or Laptops  
Smartphones
Tablet screens  
Gaming systems
How Harmful is 
Blue  Light?
Screens tend to emit blue light but it is  
found to be quite small when compared to  
what is emitted by the sun. But exposure to  
this light emitted from the screens of digital 
 devices for prolonged time is known to 
have  long-term effects on health. As per 
Vision  Council, approximately 80 percent of 
adults  can be found to use digital devices 
for over  2 hours a day. Around 67% of them 
use  more than two devices simultaneously 
 while 59% show digital eye strain 
symptoms.
Vision Problems Due to Blue 
HLuimganh eytes are not designed to block out blue light. Hence, the lens and cornea 
are  exposed to this light that penetrates and reaches the retina. Constant exposure 
may  cause retinal cells to get damaged, thereby causing vision problems such as:
1.Age-related Macular Degeneration
2. Dry Eyes
3. Irritation in eyes
4. Tired eyes
5. Squinting
Moreover, when using such devices, people often blink less, thus causing eye strain 
and  dry eyes. A common sight noticed is shoulder and neck pain, blurred vision and  
headaches. Fortunately, laser eye centre in Delhi offers proper remedy and recovery of  
proper eyesight.
How to Reduce Negative Impacts of  
Blue Light?
1.Follow 20-20-20 Rule- You need to take a break for 20 seconds after every 20  
minutes to view something that is 20 feet away.
2.Install blue light filters in your computer screen, tablet or smartphone- These filters  
are designed to help your eyes to avoid exposure to blue light emitted by different  
devices. Also, it does not affect display visibility.
3.Establish good posture and working distance while viewing the screen- Try to  
control glare and lighting on your gadget screen. Even minor vision related 
issues  should be corrected immediately and properly.
Contact Phone Number9818547918
Us
Website
www.contouravisionindia.com
Reach out to us for 
inquiries  or comments.
Originally Published at:  
https://contouraindia.livejournal.co 
 m/432.html