Viewing the screen at a close distance?
Hello Doctor, my interest lies in watching scenic videos before sleep until I fall asleep.
However, I have a myopia of -5.00 diopters, so I need to view the screen from a close distance to see clearly.
This leads me to wonder, even though my eyes are close to the screen, I am actually viewing distant mountains in the content.
Does this help my eyes feel relaxed, or could it actually worsen my myopia? If the answer is affirmative, should I try to look at a more distant, blurry image instead?
Guagua, 20~29 year old female. Ask Date: 2022/10/21
Dr. Gao Pilin reply Ophthalmology
Hello, Guagua: What you are seeing on the screen is a nearby mountain, which is different from viewing distant mountain ranges.
If you are not wearing glasses, try pulling the screen to the farthest distance where you can still see clearly; this can help relax the ciliary muscles.
However, in order to achieve binocular fusion, the extraocular muscles still need to pull the eyeballs towards the nose, which can lead to eye fatigue.
Only by looking at something farther away can the eyes truly relax.
Reply Date: 2022/10/21
More Info
Watching distant scenery on a screen can indeed raise some interesting questions, especially for individuals with myopia (nearsightedness). As a person with 500 degrees of myopia, you may find yourself needing to sit closer to the screen to see clearly. This situation can lead to concerns about whether this practice is beneficial or detrimental to your eye health.
Firstly, it is important to understand how myopia works. Myopia occurs when the eyeball is too long or the cornea is too curved, causing light rays to focus in front of the retina instead of directly on it. This results in clear vision for nearby objects but blurred vision for distant ones. The primary concern with myopia is that it can progressively worsen over time, especially if the eyes are subjected to prolonged near work without adequate breaks.
When you watch distant scenery on a screen, your eyes are technically focused on something that is far away, which can provide a sense of relaxation. However, if you are sitting too close to the screen, your eyes may still be straining to focus on the image, which could lead to eye fatigue. This is particularly true if you are watching for extended periods without taking breaks. The act of focusing on a screen that is too close can contribute to eye strain and discomfort, which may not be ideal for your overall eye health.
To mitigate the risk of worsening your myopia, it is advisable to follow the 20-20-20 rule: every 20 minutes, take a 20-second break to look at something 20 feet away. This practice helps to reduce eye strain and allows your eyes to relax. Additionally, if you find that you can comfortably view the screen from a distance, it may be beneficial to do so, even if the image appears slightly blurred. This way, your eyes can engage in a more natural focusing process, which may help in reducing the strain associated with prolonged close-up viewing.
Moreover, it is essential to maintain good lighting conditions while watching videos. Dim lighting can cause your pupils to dilate, making it harder for your eyes to focus on the screen. Ensuring that the room is well-lit can help reduce eye strain and improve your viewing experience.
In terms of whether watching distant scenery can deepen your myopia, the evidence suggests that prolonged near work is a significant factor in myopia progression. While watching distant scenery may provide a temporary sense of relaxation, if you are consistently viewing it from a close distance, it may not be enough to counteract the effects of near work. Therefore, it is crucial to balance your screen time with activities that allow your eyes to focus on distant objects naturally.
In conclusion, while watching distant scenery can be enjoyable and may provide a sense of relaxation, it is essential to be mindful of your viewing distance and take regular breaks to prevent eye strain. If you have concerns about your myopia or experience discomfort while watching screens, it is advisable to consult with an eye care professional who can provide personalized recommendations based on your specific situation. Maintaining regular eye check-ups and following good visual hygiene practices will be beneficial in managing your myopia effectively.
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