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In the most simple of scientific terms short sight is where the image created by your eye focuses in front of the retina, where it would focus with perfect vision. Using curved lenses in contacts or glasses the focus point of the image can be focused in the correct point. Its also possible to have laser surgery to reshape the cornea to get the focus more accurate.

There are several different types of short sight or Myopia which are often categorised in the following ways.

Simple myopia is the most usual of the different types of short sight. In these cases the sufferer simply has that is too long for its optical power or too powerful for its length. It can either be genetically passed down or can be caused by environmental factors like excessive close use of the eyes.

Degenerative myopia, is short sight which gradually or drastically deteriorates over a period of time. It is usually characterized by fundus changes & high refractive errors which can sometimes include Posterior Staphyloma. It seems to be more common in certain races & culture such as Japanese, Chinese, Arab & Jewish.

Nocturnal myopia, not surprisingly refers to a condition which affects those who suffer from bad eye sight at night or in low light conditions. For those suffering from this condition may often have perfect vision in daylight but their eye has difficulty dealing with focusing in the dark.

Pseudomyopia is another problem which causes problems focusing on anything in the distance which is caused by a spasm with the ciliarly muscle.

Matt Albie writes for Focus Eye a leading Harley Street clinic offering Laser Eye Surgery from expert surgeons with hundreds of satisfied patients.

If you suffer from Short Sight refractive laser surgery from Focus Eye may solve your problem.