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Rumors that high-resolution displays might cause health problems have been bouncing around the Internet for some time now. The issue really gained traction in with the release of the MacBook Pro with Retina. Several new posts complaining of similar issues appeared each month from June until the end of the year.
Several news outlets picked up the story. Sounds damning, right? On closer look, though, these accusations seem thin and sensational. Apple is no longer alone in the pixel density game, yet I had a hard time finding similar complaints about 4K monitors or high-resolution Android devices. Increased sharpness may, in fact, be better for your health. Gary Heiting, optometrist and senior editor of the website AllAboutVision , made that clear.
Only a few doctors have tried to place a hard figure on the maximum pixel density the human eye can discern. Bryan W. Jones, a retinal neuroscientist at the University of Utah, conducted one such analysis. If the same person were to instead view a display from 24 inches a more typical distance for desktop use the maximum discernible density drops to just below PPI. What really causes eyestrain has little to do with cutting-edge technology. Display brightness is one prominent factor.
Sitting at an appropriate distance is also important. The U. This is where a tenuous relation to resolution can be made. Owners need to fight that instinct and rely instead on the scaling features built into operating systems and Web browsers. While 4K has no inherit health complications, users may have more trouble adjusting to it with some monitors than others. Each pixel will be larger, that means less scaling is required to make text readable.
The difference is noticeable. A inch 4K display offers pixels per inch, but a inch 4K monitor has just pixels per inch. This means each pixel on the inch monitor is about 15 percent larger than on the inch screen and, as a result, text and images will naturally appear 15 percent larger as well.
The The 4K P71 offers a good contrast ratio , good viewing angles, great color accuracy, and a matte finish. The P71 is perhaps the best large display and one of the best for eye health. There's a reason why Apple's MacBook Pro devices are often praised for their displays.
The one flaw in the display is its glossy finish. While the backlight gets bright enough to help reduce reflections in most lighting conditions, bright days outdoors turn the screen into a mirror, which can be highly distracting and fatiguing. If you rarely or never work outdoors or under bright lights, though, the MacBook Pro 15 should offer easy viewing.
Our eyes are one of our greatest resources, and keeping them healthy is important. As our lives focus more and more on electronic displays, the task of protecting our vision becomes increasingly difficult. Still, there are some laptop displays that are noticeably easier on the eyes than others. That being said, the most important thing to remember when it comes to keeping your eyes healthy is to take action yourself.
Look away from your screen periodically and give your eyes a rest. This is the best way to ensure your eyes keeping looking good pun intended for years to come. Eye health in the electronic age In the modern world, our eyes are constantly bombarded with information from displays. Whether it be from a laptop, smartphone, or some other device, many of us spend a significant portion of our day staring at some kind of display.
As such, it is paramount that we should understand the strain placed on our vision and some steps we can take to improve and protect the health of our eyes. Our pupils are constantly dilating and contracting. By periodically refocusing, we can relax the muscles that control our pupils and give our eyes a break.
Image via AllAboutVision. Refocus your eyes periodically. Perhaps the best way to protect your vision is to give your eyes a break. If you spend an extended period of time in front of a computer monitor or other display, look away from the screen every minutes. Pick out a distant object or spot on a faraway wall and focus on it for about 30 seconds. This refocusing removes the immediate strain placed on your eyes, and focusing on a distant object will help relax the muscles that control your eye.
Blink often. Blinking coats our eyes with tears and helps clear out any dust or particles that have found their way past our eyelashes. While blinking is an automatic reflex, some studies show that blinking rate is significantly reduced when we actively process information , such as when we are working at a computer monitor.
This can lead to our eyes feeling dried out and may damage them over time. Like above, take a break every minutes and intentionally blink your eyes very slowly 10 or more times. This will spread new tears over your eyes. You may also want to purchase lubricating eye drops if you suffer from very dry eyes.
Adjust your lighting. Some lighting situations can actively damage our eyes, particularly bright environments. There's a reason why we squint when we step outdoors on a sunny day; our pupils contract, which requires some muscles in our eyes to stay flexed. If you can, turn down the lights in your office and partially block any ambient light coming in from outdoors. Turning off overhead lights or fluorescent bulbs can also help.
Incandescent and halogen bulbs are easier on our eyes, and placing them lower down to offer indirect light can help reduce strain. Adjust your display's settings. Most modern LCD monitors and laptop displays allow the user to edit some settings.
Lowering the brightness of your computer's display will reduce ocular stress, similar to turning down ambient lighting. There is a threshold, though; if the computer screen is too dim, it can actually cause worse eye strain. Find a good sweet spot by incrementally stepping down the display's brightness until your eyes aren't squinting or straining too much to read text or view images.
You can also download software to filter out blue light. Blue light has a shorter wavelength than red light and thus can cause greater eye strain, particularly if viewed at night. Blue-light filtering software shifts the color gradient of your computer's display toward the red end of the light spectrum, increasing the wavelength of emitted light and reducing stress. A good app for this is f. At the ideal color temperature of K, screens emit lots of short-wavelength light. Shifting the color temperature toward red light reduces the blue-light bombardment.
Image via f. Most modern displays allow you to adjust multiple settings such as the brightness, contrast, and color profile. Image via personal Dell UD monitor. Matte screens are easier on the eyes. Perhaps the most noticeable facet of a laptop's screen is the finish across the panel.
Laptop displays have either a glossy or matte finish to them. Glossy panels allow more light to pass through from the LCD backlight and are typically brighter and more color accurate. However, glossy displays have a major weakness: reflections.
A glossy finish will typically show reflections at lower brightness levels, which can distract our eyes and cause them to constantly shift focus, resulting in increased fatigue. Matte finishes, on the other hand, are made specifically to cut reflections. Matte displays typically show no reflections, making them highly usable in almost any lighting condition provided the backlight is bright enough.
Matte screens do sacrifice some color accuracy and brightness, but most are more than good enough for users that don't routinely work with color. Higher resolutions make everything sharper. Most modern laptops come with either a x or x resolution screen, which is acceptable for most work.
However, users that suffer from eye fatigue may want to consider getting a higher resolution display. A higher resolution means a higher pixel density, which can make text and images look much sharper. While a high-resolution screen will make icons and other UI elements smaller at the display's native resolution, both Windows 10 and Mac OS X have excellent scaling options. Screen size affects pixel density. Related to point 2 is screen size. Obviously, a smaller laptop screen will subsequently be harder to see from a normal viewing distance than a larger laptop screen.
So what exactly is Retina Display? In essence, it is a high quality, high resolution screen display. Not only does improved resolution decrease the strain. Retina displays do not cause eye strain. The resolution of a real scene rather than pixels is even higher resolution and a real scene (just looking at something. mind-labdentiatry.online › en-sg.