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2024年4月8日 · Takeaways. Some signs of pneumonia, an infection in your lungs, include a high fever, coughing up colored mucus, feeling very tired, and having trouble breathing. Bacteria, viruses, fungi, and ...
2024年4月2日 · You have some major organs on the upper right side of your abdomen, including your liver and right kidney, as well as your gallbladder. Serious causes of pain in this area include: Hepatitis ...
2024年3月26日 · A new antibody treatment has been approved to help prevent COVID-19, and it will be available in a matter of days for many of the estimated 3 in every 100 people in the U.S. who have compromised ...
- 新冠肺炎-疫苗資訊最前線
2024年3月26日 · Normal MCH Levels. MCH levels vary, so there is a range that doctors consider normal. MCH is measured in picograms per cell, or (pg/cell). For adults of all ages and children, normal MCH levels ...
- Causes
- Symptoms
- Overview
- Diagnosis
- Risks
The structure of your eye is to blame. When your eyeball is too long or the cornea -- the protective outer layer of your eye -- is too curved, the light that enters your eye wont focus correctly. Images focus in front of the retina, the light-sensitive part of your eye, instead of directly on the retina. This causes blurred vision. Doctors call thi...
High myopia: Its a more serious form of the condition, where the eyeball grows more than it is supposed to and becomes very long front to back. Besides making it hard to see things at a distance, it can also raise your chance of having other conditions like a detached retina, cataracts, and glaucoma. Chances are the only symptom is that more distan...
Degenerative myopia: Also called pathological or malignant myopia, it is a rare type you usually inherit from the genes of your parents. Your eyeball gets longer very quickly and causes severe myopia, usually by the teenage or early adult years. This type of myopia can get worse far into adulthood. Besides making it hard to see things at a distance...
An eye exam can show you if youre myopic. Glasses, contacts, or refractive surgery can usually correct the problem.
When you have myopia, your prescription for glasses or contact lenses will be a negative number. The more negative the number, the stronger your lenses will be. For example, -3.00 is stronger than -2.50.
2024年4月1日 · Shingles is a rash with shooting pain. It usually shows up on just one side of your body. Learn more about symptoms, causes, contagiousness, vaccine, diagnosis, and treatment.
2024年3月22日 · Nonparalytic polio symptoms include more severe symptoms of abortive polio, plus: Pain and stiffness in your neck. Aches or stiffness in your arms or legs. Bad headache. There may also be a second ...
