Short-sightedness is the other word for myopia. It is another common eye condition where people are unable to see distant objects clearly and this eye condition has become more prevalent in the recent years. Normally, the eye’s lens and cornea normally focus light into an image on the retina. In case of myopia, the light is focused in front of the retina causing a blurry image. Those with myopia see close object equally as well or often slightly worse. About 15 per cent of population is short-sighted. Usually, it starts to develop in teenage years and gets worse over the following few years.
How can I tell if I am short-sighted?
Those with short-sightedness experience difficulty in seeing distant objects clearly such as reading road signs or scoreboards during ball games. Recognizing people in the distance may be a problem as well. Other symptoms include eye strain, headaches, squinting, fatigue while playing outdoor games etc. Often a person will not realise their inability to see distant objects clearly. However, an eye examination by an optometrist will disclose the problem.
How can I tell if my child is short-sighted?
Although a complete eye examination will exactly determine the eye condition, following are a few clues to see in your child:
Difficulty in reading the blackboard
Improper posture while reading
Screwing up eyes while trying to see distant objects
Lack of interest in playing outdoor games
What causes myopia?
There are various causes such as the size/shape of the eye ball affects the focusing power of the cornea and eye’s lens. Instead of focusing the light on the retina’s surface, the light rays focus in front of the retina. At times, if the lens is too curved in line with the eyeball’s length can also lead to myopia. This eye condition can also be a mixture of these causes. Besides, many a times people have blamed poor metabolism, poor light, excessive amounts of reading, poor diet, poor posture or genetic factors as causes for myopia.
Can myopia be cured?
Short-sightedness cannot be cured but can always be corrected with the help of prescription spectacles, prescription contact lenses or a refractive surgery. Spectacles or contact lenses with prescription as per the amount of myopia will enable you to have a clear distance vision depending on your use/routine activities such as driving or watching movies. In terms of a laser surgery, the front surface of the eye will reshaped that can help correct myopia. However, in order to decide on a suitable option, your optometrist can advise you in terms of the latest developments in corrective treatments for myopia.
Can we prevent myopia?
Although there is no prevention for short-sightedness, appropriate treatments can be prescribed in order to stop or decrease its progression.