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Home Eye Tests Glasses Eyesight Problems Eye Diseases Contact Lenses FAQs

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Sight problems and correction

Eye conditions such as short sighted or long sighted cause reduced vision but can be improved with glasses or contact lenses. These are called refractive errors as the eye is otherwise healthy and normal vision is possible.

 

Refractive eye conditions include short sighted, long sighted, rugby ball shaped ( astigmatism ) and reading age ( presbyopia )

 

Click for more detailed info on each item below.

Eyesight Problems

Short Sighted - Myopia

Vision is better at short distance for short sighted people. Far distance vision is blurry and so glasses and contact lenses may help.

Short sighted occurs because the length of the eyeball is too long and so images focus in front of the retina instead. By placing a corrective lenses, the image can be shifted to focus on the retina.  

Click for more detailed information guide on Short Sighted

         

 

 

 

 

 

Astigmatism - Rugby Ball Shaped Eyes.

Eye shape in astigmatism is not regular like a football but more oval shaped like a rugby ball or egg shaped eye. The image seen is blurred and distorted.

Astigmatism can be of varying amounts and is quite common in most people. Astigmatism can also be part of short sight and long sighted eye conditions. Click astigmatism for more info.

 

 

 

 

 

Eye Tests

Short Sighted

Long Sighted - Hyperopia  

Harder to see at near, and easier to see into long distance for long sighted people. Therefore it's harder to read or do prolonged concentrated tasks in long sighted condition.

Long sight occurs because the eyeball length is shorter and so the best focus is virtually behind the eye. The brain may be to focus it back onto the retina using focusing muscles. This can lead to eyestrain, headaches, or blur in long sighted when focusing gets tired. Click on long sight for more information

Eye Tests

Long Sighted

Eye Tests

Astigmatism

Reading Age - Presbyopia

Presbyopia is a natural condition when books and newspaper print is blurred or hard to focus due to ageing of the eye.

The natural lens inside the eye is used to focus at near objects but the ability declines naturally with age.

Usually reading blur is noticed after age 40 and symptoms gradually decline and lose focus power till age 65 onwards.

Fortunately reading glasses prescription can help to see at close again during this decline.

Click reading age glasses for more info.

 

No glasses needed

Emmetropia means there is no refractive error - and eye can be considered normal in absence of any other eye disease.

However most people can have a tiny amount of eye error - but may not need glasses as there are no problems or symptoms like eyestrain or headaches.

To preserve eye health, it is important for regular eye tests, to aim for good nutrition and UV protection to reduce risks of eye diseases.

Eye Tests

 

Reading Age Glasses