Myopia - Know Its Symptoms And How Can We Treat It?
Myopia is also known by the name of nearsightedness. It is one of the most common refractive disorders of the eye. Over the years, it has become more prevalent. According to a recent study conducted by the National Eye Institute (NEI), myopia has grown more prevalent from 25 percent in 1972 to around 40% percent in 2004 in United States.
The exact cause of the prevalence of this disorder in USA is not known. However, many doctors are of the opinion that eye fatigue due to overuse of computers can be the primary reason behind the spread of this disorder. It could also be affected by genetical links.
Myopia Symptoms And Signs:
It is time to take care of your eyes if you have difficulty in reading the sign boards on road or seeing objects from a distance. This could be a sign for myopia if you are able to see things clearly from a closer distance. There are several symptoms of myopia, including strain on eyes, headaches and squinting. If these signs don’t vanish after wearing lenses or spectacles, you must visit your ophthalmologist.
What are the factors that cause Myopia or Nearsightedness?
It occurs at a time when the eyeball of the patient is too long. The lens of the patient will be too long as compared to the focusing power of the cornea or the eye lens. This condition leads to the focusing of light rays at a point in front of the retina. The rays don’t focus directly on the retina’s surface. Myopia can also be caused if the lens of the eye is too curved. Myopia can also be caused due to a combination of factors. The problem may start from childhood. You are also at the risk of developing the problem if your parents have had the problem.
Myopia Treatment:
Myopia is not a rare disorder of the eye. People living with myopia have several options of its treatment. It can be rectified or corrected with the help of spectacles and contact lenses. It can also be corrected by refractive surgery. The kind of treatment to be chosen depends upon the degree of your myopia. You will be asked to wear lenses or spectacles for a prescribed amount of time, depending upon the degree of your disorder.
In myopia there are Retinal changes like Retinal weakness (lattice degeneration) Retinal hole and break, which need laser treatment to prevent retinal detachment. It needs surgical correction. So, myopia patients need to undergo dilated pupil retinal examination yearly, as early changes mentioned above are asymptomatic.
If you are suffering from myopia, the doctor will prescribe you to wear spectacles or lenses of a certain power that will be preceded by a minus (-) sign.