Interested in info sessions for yourself, your company or organisation?

We can organise tailor-made info evenings for groups of around 15 people or more.

You can pop into our Centre for advice at any time while you're on holiday.

Flexible payment
options available!

Conditions

• Your eyesight should not have changed for at least 1 year.
• You should not be suffering from any progressive disease of the cornea.
• You should not be suffering from any rheumatological condition.
• The presence of eye diseases such as cataract, glaucoma or retinal detachment must be ruled out.
• You should not be pregnant.
• The minimum age for the treatment is 18.

Impaired vision and how sight itself alters. See for yourself!

 

What is impaired vision?

In an eye with normal vision, light enters through the cornea and is concentrated in a point exactly on the retina, giving a distinct image. If vision is impaired, light rays do not cross the retina properly. A blurred or distorted image is the result. The reason for this image defect lies, in most cases, in an imbalance of the eye length and the curvature of the cornea. The eye can be compared to a camera - the cornea and the lens are the lens, while the retina is the film.

Short-sightedness (Myopia)

In short-sightedness (Myopia) objects which are close-by are seen clearly but those further away appear blurred. The eye is too long and the light rays fall in front of the retina. (arrow = focal point). With laser correction the refraction power of the retina is reduced by a certain amount, e.g. -2.00 dioptres and the focal point is thus displaced onto the retina.

Far-sightedness (Hyperopia)

With far-sightedness, or hyperopia, objects which are close-by are blurred, while those in the distance can be seen clearly. The light rays have not met by the time they hit the retina. A virtual image only arises behind the eye since the focal point (arrow) is too long. Far-sightedness can be regulated for a long time through the ocular lens. By going out of shape, the refraction power of the lens increases, whereby the light rays are bundled on the retina. Far-sighted people can see into the distance well until they are fairly old. However, in far-sighted people a decrease in reading ability occurs earlier. With increasing age, the ability of the lens to go out of shape decreases, which means that far-sighted people need glasses earlier.

 

 

Excurvation of the cornea (Astigmatism)

In excurvation of the cornea, also known as astigmatism, objects are blurred in all distances since the cornea is curved like an egg shell and not like a sphere. As a result there is no clear focal point (arrow).

Presbyopia

Every normally sighted person requires reading glasses at around the age of 45. The reason - just like the skin, the ocular lens loses elasticity from day to day and is able to curve increasingly less. When the change in curvature of the corneal lens is no longer sufficient to maintain a sharp focus when reading, it is normal to hold the text a little further away or to reach for a pair of reading glasses. This natural aging process is in no way similar to the short-sightedness of a young adult. However, if you are around -2 to -3 dioptres short-sighted, even when older, you can read without glasses; however distance glasses are always needed, e.g. for driving.