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What is Pre-school Eye Test?

Updated on November 21, 2008

The Pre-school eye test is a screening test to detect reduced vision and squint. It's normally carried out by an Orthoptist and Optometrist.

The tests are based on games such as naming pictures or matching letter shapes of various sizes. The doctor may use eye drops to relax the muscles inside the eye so that the test can be done accurately for glasses.

An orthoptist is involved in the diagnosis and treatment of sight-related problems, particularly those connected with abnormalities of eye movement and eye position. An optometrist examines patients' eyes, tests their sight, gives advice on visual problems and prescribes and fits glasses or contact lenses if necessary.

1 out of 12 children tested is found to have an eyesight problem. This is a high yield for a screening service. Reduced vision in a child can often be treated if it is discovered early enough.

The majority of defects found are refractive, i.e. glasses are needed. Other defects found include squint or abnormalities in the structure of the eye (e.g. cataract).

The refraction test is an eye exam that measures a person's ability to see an object at a specific distance.

In many cases the refractive error is worse in one eye than the other and is thus masked by the "good eye". This makes it difficult for parents to notice the problem.

A squint is a condition where the eyes do not look in the same direction. That is, when one eye looks straight ahead the other eye is pointing inwards, outwards, up or down.

A squint is when the eyes do not look in the same direction. Most occur in young children. A child with a squint may stop using the affected eye to see with. This can lead to visual loss called amblyopia which can become permanent unless treated in childhood. Amblyopia is usually treated by patching the good eye to force the use of the affected eye. Another main aim of treatment is to correct the appearance of the squint. This often requires surgery.

If problems are found through the test, such as glasses are required, a prescription is given to the parent the the day, or children requiring a medical opinion or eye patching for reduced vision are referred to a hospital eye department.

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      Precision Vision 

      9 years ago

      This is a wonderful article on the explanation of what to expect during an eye exam. Many of our charts are used (www.precision-vision.com) during the eye exams throughout the school systems all over the world. We are always looking for great ideas and any new development projects, so please keep us in mind should you have any ideas. Thank you.

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