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John T Halgren MD

John T Halgren MD

Category: Eye Doctor


Omaha, NE 68198

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  • It is reasonable that the light colored eyes are more sensitive to the sunlight because of the principles of optics. As we know, the dark color will absorb the sunlight. Thus, the light colored eyes will be more sensitive to the sunlight. However, there are many reasons causing the difference of the sensitive degree of the eyes to lights, like the pupil size, the iris problem and so on. Eyes is a can sense light organ. The most simple eyes structure can detect surrounding environment of light and shade. More complex eyes structure can provide visual compound eye usually in arthropod which found that it often have a lot of simple small eye surface composition. It can produce an image in many vertebrates and some software animals. The eyes through the light projection light are sensitive to retinal imaging. The light is accepted and translated into a signal which travels through the optic nerve to the brain. Usually the eyes are spherical, full of transparent gelatinous material. It can control the amount of the lights coming into.

  • There are many factors that can cause bleeding behind the eye. It is usually caused by Diabetic Retinopathy and Vitreous Hemorrhage. The abnormal new blood vessels that grow on the retina will also cause bleeding behind the eye.

  • Hey, guy, if your eyes are too dry. They may be hurting. At this moment you need some artificial tears to lubricate them. If you got some inflammation in your eyes, you can place a cold towel across your closed eyes for few minutes, you can do this several times a day. This can take down the inflammation of your eyes. You can use eye drops too but consult the eye doctor before using them.

  • I think they are two contradict words in literal meaning. But it doesn't mean they can't be changed to the other. "Nerdy glasses" in the eyes of some people may be nerdy, but in some other people's eyes, they may be cool. Furthermore, "cool" is the feeling taken by fashion things mostly. So, if the nerdy glasses become a kind of fashion, they can be cool. For example, the glasses of Harry Potter are nerdy glasses in our modern time, but it is cool on his face, and they may become a fashion because of him.

  • Of course you can. Multi-focal lenses can offer good vision ranging from near to distant objects. So they can also help people with presbyopia see clearly.

  • Yes. If you want to keep your eye health, you need keep a distance between the computer screen. Besides, You'd better take a regular break when you work with computer. In addition, blink your eyes constantly and drinking more water can help you. If you are nearsighted/farsighted, you can wear computer glasses to help you.

  • Nothing strange for your case. However the reason is not directly connected with eyes and throwing up, the reason may be anemia or hypoglycemia. Your body must be bent, and your face must toward the ground, this whole pose would make you lack of oxygen. Especially when you are throwing up, the moment which means you are uncomfortable. I suggest you to drink a cup of milk or some water with sugar, or a piece of chocolate may also be helpful.

  • Well, as a matter of fact. People, I mean, every one of us are used to normal vision or glasses. When your eyes are exposed to something unusual like 3d glasses which are especially deigned for 3d experiences, we might get dizzy, get a headache, even throw up, since you are not used to that. Apparently, that is caused by wearing 3d glasses. However, as time goes by, that feeling will be relieved.

  • Yes, many of the visual habits nowadays are bad for our eye health. Computer is one of the worst culprit. We are becoming more and more lazy, even not willing to leave it and take a precious break. Dim the light of your computer screen and don't stare at one point for too long, blink frequently. Take a 10 min’s break every 40~50min. There is nothing more simple and more important than breaking. Always wash your hands and don’t rub your eyes. Often take eye exercises, and pay more attention to our eyes. Wear sunglasses when UV is strong outside, no matter in winter or summer. Don't drink alcohol or smoking, which can worsen dry eye and high intraocular pressure. Eat more food that is good for eyes, such as walnut, peanut, tea of mountain daisy and medlar, black bean, milk, jujube, cassia seed tea, etc. fresh vegetable and fruits are also strongly recommended.

  • Dehydration would decrease or even stop the production of tear in eyes. The vision would be blurred. Dehydration refers to a condition that the amount of water we lose is bigger than the amount we intake. The most part of human body is water. We are losing water every minute in our lift, as evaporation, urination, breathing and sweeting and so on. Once we lose more than what we intake, our bodies would be out of balance of water, which is called dehydration. I believe that most people know that without water people would die in one week. To treat dehydration is very easy. You should intake enough water every day to support your daily consumption. Once you developed any symptoms like fainting, confusion or fever, you need to seek profession treatment at once to avoid any more severe damages.