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Programmers and other people who need to concentrate for a long time on computer screen suffer from two major maladies:
Computer vision syndrome(CVS). Computer vision syndrome affects around 80-90% of the people who spend three hours or more a day at a computer. Symptoms include redness in the eyes, dry eyes, and irritated eyes. Cooled tea bags application can help here.
Less typical but still common for programmers is progressing of shortsightness even in advanced age (over 40) when for most people reverse processes take place due to loss of water in eye tissue due to aging.
Prescriptions have a certain format that is always followed. The first line of your prescription is always for the right eye, typically designated the “OD”. The second line is for the left eye, typically designated “OS”. The prescription for each eye is divided into Sphere, Cylinder, and Axis values.
It is common to have no values for any one of these, in which case you might see the letters “PL” or “plano”, or to have values for all of these. Sometimes the prescription may say “OU” which means “both eyes”.
When your eyes are exposed to anything to which you are allergic, histamine is released and the blood vessels in the conjunctiva become swollen. Reddening of the eyes develops quickly, along with itching and tearing.
The allergens that cause symptoms vary from person to person
Allergies tend to run in families, although they are not inherited in any obvious way. It is hard to know exactly how many people have allergies, because many different conditions are often lumped under the term allergy.
Symptoms may be seasonal and can include:
The best treatment is to avoid what causes your allergy symptoms. It may be impossible to avoid all of your triggers. However, you can often take steps to reduce your exposure to triggers such as:
Lubricating eye drops can help decrease symptoms. You can relieve discomfort by applying cool compresses to the eyes. Over-the-counter oral antihistamines can provide more relief. However, they can sometimes make the eyes dry.
If home-care measures do not help, you may need treatment by a health care provider. This may include:
You may also use eye drops that prevent certain white blood cells, called mast cells, from releasing histamine. These drops are given along with antihistamines for more severe symptoms. They work best if you take them before coming into contact with the allergen.
Bigger tends to be better, but shoot for a 16:10 ratio screen. The 16:9 screens are nice but that extra shortness tends to be really annoying when your code really starts to grow.Keith MickunasI too prefer a pair no matter the size. When developing in something like Visual Studio I have to run it in full screen. So the second monitor gets used for e-mail, web browser, references, etc.AdamWill
I use 2 U2711 at home and it's wonderful. I also use a 17" alongside those. I use the smaller monitor for consoles or running something like uTorrent. Some people get caught up on the whole 16:10 vs. 16:9 issue, but at 2560x1440 there's plenty of vertical resolution there.
At work I use a pair of 22" 16:10 monitors. That's an ok setup and I've been using something similar at three jobs now. I'm considering picking up another pair of 27" monitors to use at work though. Either the 2713HM or perhaps some of the cheap Korean ones. Perfect color isn't a must for me when coding, so I don't need the 2711 or the better 2713 model.I have 2xU2211H, both oriented portrait. I can see having one landscape if you need to work on video or something, but I don't.ChunderDownunder
I'd always go for the smallest display at a given resolution, to get the highest DPI: I much prefer 22" 1920x1080 to 24" 1920x1080. Still, I wish someone would make 200+ DPI desktop displays. Some day.I'm glad someone else gets it - many tasks are suited to length rather than width. Whenever a company supplied me with 'pivotable' monitors, I used to get strange looks in the office, even from supposed techies, about why one of my monitors was rotated pi/2.
Monitors that come with a pivotable base aren't the norm, so perhaps it's worth investing in one of those dual vesa mounts that clamp to one's desk. They're typically adjustable for a variety of angles.
Dry eye is a major symptom that is targeted in the therapy of CVS. The use of over-the-counter artificial-tear solutions can reduce the effects of dry eye in CVS.
Asthenopic symptoms in the eye are responsible for much of the morbidity in CVS. Proper rest to the eye and its muscles is recommended to relieve the associated eye strain. Various catch-phrases have been used to spread awareness about giving rest to the eyes while working on computers. A routinely recommended approach is to consciously blink the eyes every now and then (this helps replenish the tear film) and to look out the window to a distant object or to the sky-doing so provides rest to the ciliary muscles. One of the catch phrases is the "20-20-20 rule": every 20 mins, focus the eyes on an object 20 feet (6 meters) away for 20 seconds. This basically gives a convenient distance and timeframe for a person to follow the advice from the optometrist and ophthalmologist. Otherwise, the patient is advised to close his/her eyes (which has a similar effect) for 20 seconds, at least every half hour.
Decreased focusing capability is mitigated by wearing a small plus-powered (+1.00 to +1.50) over-the-counter pair of eyeglasses. Wearing these eyeglasses helps such patients regain their ability to focus on near objects. People who are engaged in other occupations-such as tailors engaged in embroidery-can experience similar symptoms and can be helped by these glasses.
A Pacific University research study of 36 participants found significant differences in irritation or burning of the eyes, tearing, or watery eyes, dry eyes, and tired eyes, that were each improved by filtering lenses versus placebo lenses.
Google matched content
Computer vision syndrome - Wikipedia, the free encyclopedia
List of repetitive strain injury software
The American Optometric Association's article on CVS
Zheng Yan, Liang Hu, Hao Chen and Fan Lu- Computer Vision Syndrome- A widely spreading but largely unknown epidemic among computer users. Computers in Human Behavior, Volume 24, Issue 5, September 2008, Pages 2026-2042
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