Unfortunately, even though quite often astigmatism eye disease that can occur both in adults and children, it is still not clear what causes astigmatism. Some experts believe that it could be hereditary and exists as such at birth. Some other causes include eye injury, bad posture or eye diseases. Since so many people are affected by astigmatism, the question "What is astigmatism?" is fair to ask.
So what is astigmatism?
Astigmatism isdesignated as so-called refractive errors of the eye and in most cases it is caused by changing the shape of the cornea. Cornea is responsible for refracting the light rays and if its shape is irregular, that will adversely affect where the rays before or after the retina, and so we talk about short-sightedness, farsightedness or retina takes a form of football, as we would talk astigmatism.
What are symptoms of astigmatism?
Some of theThe most common symptoms of astigmatism include blurred vision, eye pain, headache fatigue Should we experienced the above symptoms, it need not mean we are astigmatic, but it is always a good idea to go out ophthalmologist. Treatment options are for astigmatism Fortunately, there are several treatment options available, including surgical and nonsurgical. In some of the most non-surgical corrective lenses, while there are many different surgical procedures with the most popular with LASIK andLASEK in the other
How laser eye surgery work?
While there are many different laser eye surgery LASIK treatments are one of the most popular. It uses device called a microkeratome to cut a very thin flap of tissue from the front of the cornea. The term "cut" may be somewhat misleading. An excimer laser is actually machine, the laser beam on the eye should. It is said that this machine short intense pulse, the tiny amount of tissue removed by creating thefront of the cornea.
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