Glaucoma is the leading cause of irreversible blindness in the world. Glaucoma is often associated with elevated intraocular pressure, in which damage to the eye (optic) nerve can lead to loss of vision and even blindness.
A cataract is a clouding of the lens in the eye over time as people age. Cataracts often develop slowly and can affect one or both eyes. The only treatment is to have the effected lens replaced through surgery.
Refractive eye surgery is the term used to describe surgical procedures that correct common vision problems such as nearsightedness, farsightedness, astigmatism and presbyopia. Surgery can eliminate the need for prescription eyeglasses and/or contact lenses.
What are the downsides of vaccinations?
Vaccinations are incredible tools to help prevent major disease outbreaks, and have been around for decades. Unfortunately, they work really well and many people have stopped thinking about how serious the illnesses are that these vaccines can prevent. For that reason, some people don't place as much importance on immunizing their children. Also, there is a lot of conflicting information out there, such as the study linking the MMR (measles, mumps, rubella) vaccine to autism, which has been discounted many times by other research.
What are the various degrees of burns?
There are three main categories burns are placed into. First degree burns result in redness of the skin. If you have a burn that is showing blisters on the skin, this is a second degree burn. In a third degree burn, the most serious kind, the skin will turn black. If you have burned yourself, and it is a second or third degree burn, you should get medical attention immediately.
Why is pneumonia dangerous?
When you have a pneumococcal infection, what doctors worry about is invasive pneumococcal disease. Invasive pneumococcal disease is when the infection goes into your bloodstream and causes a bacteremia or bloodborne infection. It can also enter into our nervous system and cause meningitis. And finally, what we also commonly know is that pneumococcal infections can cause bad pneumonia.