SK Chakraborty
SK Chakraborty

@sanjoychakra

8 Tweets 5 reads Jul 31, 2023
Blue light, LED bulbs, LED tube lights - The importance of proper lighting
1. Visible light waves vary in length from 380 nanometers (violet light) to 700 nanometers (red light).
Computer and laptop screens, flat-screen televisions, cell phones, and tablets all use LED ..2..
2. technologies with high amounts of blue light. Continuous prolonged exposure to blue light is harmful for the eyes. During Covid lock down, people spent more time on laptops and mobile. Experts recommend 20/20/20 rule ie. while you are using a device that emits blue light, ..3.
3. stop every 20 minutes to focus on objects that are around 20 feet away. Study those objects for 20 seconds before you return to your up-close viewing.
At homes and in offices one wonders if LED(Light Emitting Diode) bulbs or LED tube lights are better both for illumination ..4
4. and effect on eyes. LED bulbs consume 85% less electricity than incandescent bulbs. LED tube lights are long tubular lamps of different sizes. LED light bulb or LED lump is a solid-state lighting (SSL) device that fits in standard screw-in connections but uses LEDs to ...5..
5. create light. The lighting of LED bulbs is unidirectional because it is produced from a small area. While the lightning of the LED tube light is not directed due to the large size of the tube and spreads all around. LED tube light life span 100,000 hours or 20 years. ..6..
6. The lifespan of LED bulbs is almost 50,000 hours of light. If per day usage is 10 hours each day, LEDs bulbs can function for almost 14 years. As the LED bulb produces directed and sharp light it can be more harmful to the eyes than the LED tube light. LED lights produce ..7.
7. a little number of ultraviolet rays. Both LED bulbs and LED tube lights produce UV rays, but the LED bulb has sharp light which can be more harmful than the LED tube light. The LED tube light is soothing to the eyes and emits very less harmful radiation. LED tubes are better.8
8. than LED bulbs because they are 50-70% better at providing the same amount of light. LED tube lights are more expensive in comparison to LED bulbs.
(Acknowledgement -Homely Items Team 09 Dec 2022, Healthline, Rebecca Joy Stanborough, MFA, Apr 24, 2023)

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