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Various Eye Refraction Disorders You Need to Know

The most common vision problem is an eye refraction disorder. People who have problems with eye refraction will complain of blurred vision when looking at objects that are far, near, or both. Eye refraction is a term to describe the process of light entering the eye until it is caught by the retina. The process of seeing starts from the reflection of light from an object that is captured by the eye. When light enters the eye, the lens and cornea of ​​the eye adjust the reflection of the light so that it is focused precisely on the retina of the eye. If eye refraction works well, then the quality of vision will be clear and focused (not blurry). Eye refraction abnormalities occur when light falls in front of or behind the retina, so vision becomes blurry. Not only that, this condition is also caused by changes in the shape of the cornea or aging of the lens of the eye. Types of eye refraction disorders Eye refractive disorders can be classified into several types, namely: 1. Near
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Recognize the Characteristics of Aedes Aegypti Mosquitoes Causes of DHF

The characteristics of Aedes aegypti mosquitoes carrying the DHF virus can be distinguished from the shape and color pattern. By knowing the characteristics of Aedes aegypti mosquitoes, you can recognize them easily and start to be alert if you find many mosquitoes of this type flying in the environment around your home. Aedes aegypti mosquito is a type of mosquito that carries the dengue virus that causes dengue fever. Interestingly, only female Aedes aegypti mosquitoes that spread the virus, while male mosquitoes do not. In addition to the dengue virus, the Aedes aegypti mosquito also carries the zika virus, chikungunya, and yellow fever. The Aedes aegypti mosquito is thought to have originated in the African continent. The spread of the virus by the Aedes aegypti mosquito is very easy in tropical countries, such as Indonesia, especially when entering the rainy season. This is because high rainfall makes environmental conditions very supportive for mosquitoes to breed. The charac

How to remove swollen eyes after crying

Breaking up with boyfriends, movies that are watched sadly, there are friends or family who die certainly makes us cry. And usually after crying, the eyes become swollen. There are several simple and easy ways to remove swollen eyes after crying, which you can try. Why after crying our eyes become swollen? It is all caused by the content that is in tears. Tears that come out when we cry due to overflowing emotions are considered different when compared to tears that come out when we rub our eyes because of intruding dust or yawning. Tears of being sad or happy are thought to contain more water, stress hormones, and manganese. When these tears hit the tissue around the eyeball that has a high salt content, the tissue becomes swollen. Bye-bye Swollen Eyes If the eyes are swollen, we must be embarrassed or lazy to leave the house. Various methods were used to cover up or disguise it, for example by wearing sunglasses. However, there are actually ways to get rid of puffy eyes after c