Can you sit closer with 4 K or 8 K? Yes. But it is more related to how comfortable you are, not because it is more "healthy" to do it. In higher resolutions, when you are close, you don't see the pixels of the screen, so the picture stays smooth. But for the question, are some TVs easier on the eyes? Comfort is more related to the brightness of the screen more than to its actual resolution. High brightness on TVs tires eyes because of the light load. When the screen's brightness significantly exceeds the surrounding environment, it results in pupillary constriction, increased contrast, reduced blinking rate, evaporation of tears, and desiccation of the ocular surface. That leads to burning, watering, and headaches. Blue light is not the main problem; the amount of light and contrast are. My recommendations would be: 1. Match brightness to the room 2. Always have a light turned on to avoid eye fatigue. 3. Warm the picture at night 4. Blink on purpose and take short breaks for the eyes can rest. 5. If eyes are dry, rest, take some water, and if possible, some eye drops. 6. The distance also helps. Sitting farther reduces the discomfort. If you have persistent symptoms like light sensitivity, pain, blurry vision, or if symptoms don't improve, especially with dry eye, migraines, recent eye surgery, or contact lens use, consult your doctor. Julio Baute, MD Clinical Content & Evidence-Based Medicine Consultant invigormedical.com

I examine eye health through a complete system by using my knowledge of psychology and integrative health and mindfulness practices. To enjoy your TV without compromising your vision, position yourself at a distance of 1.5 to 2.5 times the screen's diagonal size—for a 65-inch TV, this translates to roughly 8 to 13 feet.This range provides a perfect balance between deep immersion and comfortable viewing which enables you to enjoy the picture without eye strain. The pixel density of 4K and 8K TVs enables viewers to watch content from closer distances while showing clear images without the display grain of previous technology yet you should keep some distance for eye comfort. The OLED TV technology delivers better eye comfort because its high contrast ratio and low glare performance outshines traditional LCDs which results in less visual strain when watching in low-light conditions. The 20-20-20 rule serves as an additional protection for your eyes by requiring you to look at distant objects 20 feet away for 20 seconds every 20 minutes to relax your eye muscles. Soft ambient lighting or bias lighting placed behind the TV creates a glare-free environment that also produces a comfortable viewing area. I teach my clients to treat their eyes as muscles which need intentional rest through blinking and neck stretching to prevent strain that occurs from extended focus. The complete method of screen time management creates a protective practice which safeguards your vision while making your screen time more enjoyable.

As a general rule, Most research suggests sitting about 3-4 times the screen width or 2-3 times the screen height from your TV for optimal comfort and image quality with Higher resolution TVs (4K/8K) allowing for closer viewing without visible pixels. This improves immersion; keep in mind that sitting too close can increase visual fatigue. With OLED's ultrafast response time, which reduces motion blur, visual discomfort during dynamic content can be minimized; in fact, some studies suggest that OLED TVs induce less visual fatigue during fast-moving images compared to LCD TVs. But beyond display type, there are some other factors like screen brightness, glare, viewing distance, blink rate, and underlying vision issues that influence eye strain and comfort. Adopting healthy viewing practices is essential to protect your eyes while watching Large TVs. Firstly, maintain a Proper Viewing Distance and sit at a distance recommended for your TV size, as I mentioned earlier at least 3-4 times the screen width, Secondly, Limit your Continuous Viewing Time, as Prolonged or binge-watching sessions are linked to increased dry eye, discomfort, blurred vision, and trouble sleeping at night, so Take regular breaks every 20-30 minutes to rest your eyes. Finally, Room Lighting plays an important factor in eye strain while watching TV. I suggest watching TV in a well-lit room to reduce contrast and glare, watching in complete darkness increases eye fatigue, and it can strain your eyes. Thank You https://www.linkedin.com/in/hassan-fakher-md-322615244/ Please contact me in case you have any additional questions Dr.fakher@invigormedical.com Dr.Seyed Hassan Fakher MD