Myopia (near-sightedness)

Myopia

 

Overview

Myopia or near-sightedness is extremely common affecting around one in four people. It is an eye condition in which you can see nearby objects clearly, but distant objects appear fuzzy and blurry. Myopia is very treatable and only in extreme cases causes damage to the eye.

Myopia is a type of refractive error (a refractive error occurs when your eye incorrectly focuses light onto your retina). In myopia the eye focuses light in front of the retina instead of onto the retina. The retina is the tissue at the back of your light which collects light and changes the light into electrical impulses that reads as an image. In myopia the eyeball is either too long or the cornea too strong and leads to the refractive error.

Risk Factors

Myopia is usually diagnosed between the ages of 8 and 12 as the eye is still growing at this stage of life. Normally myopic children remain myopic in adulthood. Adults can become myopic later in life due to conditions such as diabetes and cataracts.

Visual stress can be a risk factor for myopia induced by eyestrain from doing detailed work such as reading, using a computer, mobile phone or tablet.

Myopia is often genetic and be inherited from myopic parents.

Symptoms

The most obvious symptom of myopia is blurred distance vision. Children may complain of finding the blackboard/whiteboard/smart board difficult to see at school. Adults may find the train timetable or television blurred. Other signs include:

  • Headaches
  • Tired, sore eyes
  • Squinting to make distance objects clearer

The symptoms of myopia usually quickly resolve with treatment whetehr it contact lenses or spectacles.

Correction of Myopia

There are a variety of options to correct myopia depending on your age and degree of myopia.

These include:

  • Spectacles
  • Contact Lenses
  • Orthokeratology
  • Laser eye surgery
  • Clear lens extraction

Long-term Outlook

Most myopic patients see and instant and marked improvement with treatment. Early treatment of myopia can prevent social and academic difficulties that can be induced by poor distance vision. Early intervention in the form of myopia control treatment may also reduce the degree of myopia in children.

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