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Rapid Access Eye Clinic

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Myopia

 

Near-sightedness / Short-sightedness

 

Myopia is a common vision condition in which you can see objects near to you clearly, but objects farther away are blurry. It occurs when the shape of your eye causes light rays to bend (refract) incorrectly, focusing images in front of your retina instead of on your retina.

Myopia may develop gradually or rapidly, often worsening during childhood and adolescence. Short sightedness tends to run in families.

 

Myopia

 

Symptoms

Symptoms may include:

 

  • Blurry vision when looking at distant objects
  • The need to squint or partially close the eyelids to see clearly
  • Headaches caused by eyestrain

 

Myopia is often first detected during childhood and is commonly diagnosed between primary school and teenage years.

A child with near-sightedness may:

  • Persistently squintMyopia
  • Need to sit closer to the television, movie screen or the front of the classroom
  • Seem to be unaware of distant objects
  • Blink excessively
  • Rub his or her eyes frequently

 

 

Causes

 

Anatomy of the eye

Your eye has two parts that focus images:

  • The cornea is the clear, dome-shaped front surface of your eye.
  • The lens is a clear structure behind the pupil of your eye.

In a normally shaped eye, each of these focusing elements has a perfectly smooth curvature. A cornea and lens with such curvature bend (refract) all incoming light to make a sharply focused image directly on the retina, at the back of your eye.

 

 

Myopia

 

 

A refractive error

If your cornea or lens isn't evenly and smoothly curved, light rays aren't refracted properly, and you have a refractive error.

Myopia usually occurs when your eyeball is longer than normal or your cornea is curved too steeply. Instead of being focused precisely on your retina, light is focused in front of your retina, resulting in a blurry appearance for distant objects.

 

Risk factors

Certain risk factors may increase the likelihood of developing myopia, such as:

 

  • Genetics. Short sightedness tends to run in families. If one of your parents is myopic, your risk of developing the condition is increased.
  • Reading and close-up work. People who do a lot of reading, writing or computer work may be at increased risk of myopia. The amount of time you spend playing electronic games or watching television also can play a role. Even holding reading material too close has been associated with increased myopia.
  • Environmental conditions. Some studies support the idea that a lack of time spent outdoors may increase the chances of developing myopia.

 

Complications

Near-sightedness is associated with a variety of complications from mild to severe, such as:

 

  • Reduced quality of life. Uncorrected short-sightedness can affect your quality of life. You might not be able to perform a task as well as you wish. Your limited vision may detract from your enjoyment of day-to-day activities.
  • Eyestrain. Uncorrected near sightedness may cause you to squint or strain your eyes to maintain focus. This can lead to eyestrain and headaches.
  • Other eye problems. Severe myopia puts you at a slightly increased risk of retinal detachment, glaucoma, cataracts and myopic maculopathy — damage to your retina. The tissues in long eyeballs are stretched and thinned, causing tears, inflammation, new blood vessels that are weak and bleed easily, and scarring.

 

When to see a doctor

If your difficulty seeing things that are far away clearly is pronounced enough that you can't perform a task as well as you wish, or if the quality of your vision detracts from your enjoyment of activities you should organise an eye examination.

 

If you have any concerns about your own or your child’s eyes or suspect they may be short sighted – Please don’t hesitate to contact the clinic on 021 4341030 or bgolchin@corkeyeclinic.ie 

 

 

 

Clinic Location 

Cork Eye Clinic

Suite 7/8, Clinic A,
Cork Clinic, Western Road,
Cork, T12 VY83.

 

cork eye clinic

Tel:  021 434 1030
Fax: 021 434 1033
Email: bgolchin@corkeyeclinic.ie

 

VIEW ALLWhat Our Patients Say

For most people 2020 was a terrible year, nothing but Covid and lockdowns, for me it was the year I got my eyesight back. I've been wearing reading glasses since I was 7 years old. The optic nerve in my right eye never really developed so I had to rely on my left eye to provide me with adequate sight, with a prescription in my right eye to help balance it. This continued right through my childhood, adolescence, then through adulthood until my 40's. At that stage, my left eye had also began to fail, so, "call it vanity", I decided to opt for laser surgery. This unfortunately only lead to further complications and so was back to wearing glasses, 18 months after the treatment, with an eye prescription worse than ever. I knew by my early 50's my eyesight was in a serious state. Even with glasses everything was a blur and going in the wrong direction. I decided to seek further help, so for 3 years I visited eye specialists in Cork and Dublin hoping for a solution. Nobody wanted to know me after my failed eye operations and poor sight, except one man, MR Behrooz Golchin, a man I credit for saving my eyesight. Within 3 months I got synthetic lenses for both eyes. 12 months later I am still in disbelief of what he was able to do to correct my eyesight. Thank you Mr Golchin

John Lynch (March 2021)

 
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