Conditions affecting the retina and vitreous humour
The following doctors on our team specialise in the treatment of conditions affecting the retina and vitreous humour:
Dr. Van Schelvergem and Dr. Suda.
- Conditions of the retinal blood vessels, such as thrombosis
Floaters
What are floaters?
If you see black, floating spots, dots or lines in your field of vision, especially against a light background like a computer screen or bright light, that may mean you have ‘floaters’.
These spots move slowly with the movement of your eyes and always look like they are returning to their starting position. They can occur in one eye or both eyes. Floaters are structures that move around in the vitreous, the yellowish fluid that fills your eyes. Although these are mostly harmless and just a bit annoying, floaters are sometimes a symptom of another condition. Follow-up by your eye doctor is therefore required.
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- Black, floating spots, dots or lines in the field of vision
- Noticeable against light backgrounds, such as a computer screen, white surface or clear sky
- Spots that move with your eyeball in the direction you are looking
- In one eye or both eyes
During a preliminary examination, your eye doctor will look into your eye to assess the retina and the vitreous. To do so, the pupil is dilated as far as possible with drops. Driving afterwards is not possible for at least three hours. Sometimes the retina cannot be assessed properly. In that case, we will use an ultrasound device to see whether your retina has become detached. This examination is painless and safe.
If the cause of the floaters is a posterior vitreous detachment, then no treatment is needed or possible. The floating spots will become less annoying over time, but they usually do not disappear completely. Flashes of light generally stop on their own or if the vitreous no longer pulls away from the retina. Sometimes, floaters are an indication of an underlying eye condition that requires further treatment. In the case of very annoying floaters, a vitrectomy can replace the vitreous fluid with water.
Age-related macular degeneration (AMD)
What is age-related macular degeneration?
Age-related macular degeneration (AMD) is a condition of the central part of the retina. This part of the retina, the macula, is responsible for seeing small details. Age-related macular degeneration is often referred to as the ‘wearing’ of the retina or ageing of the retina. AMD affects visual acuity. This can be due to such factors as an hereditary condition, age or environmental factors.
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- Less clear or blurred near vision
- Dark spots or dots at the centre of the image
- Distortion of the image, especially of straight lines
- Fading of colours
- Reduced night vision
What treatments do we offer?
Injections
Photodynamic therapy (PDT)
Combination therapy
Laser photocoagulation
Although this is performed less often, laser photocoagulation can be considered in certain cases of wet AMD. In the past, a laser was used to close off or destroy abnormal blood vessels in the macula. Laser photocoagulation is used mostly for smaller, well-defined areas of abnormal blood vessels that are not in the central field of vision.
Sometimes a laser is used to reduce the drusen and thereby prevent further progress of wet AMD. This treatment is still a subject of discussion, however.
We start with a detailed examination to determine what form of macular generation you have. This can be either dry or wet age-related macular degeneration. Each form requires a different approach, and so a correct diagnosis is crucial. The cost of the treatment will be explained during the consultation. These treatments are partially reimbursed by your health insurer.
Diabetic retinopathy
What is retinopathy?
If you have diabetes, the blood vessels in the retina may be affected. This is known as diabetic retinopathy. This form of damage to the retina due to leaking or abnormal blood vessels can lead to a deterioration of vision or even blindness. Regular check-ups by your eye doctor are therefore very important.
- Sometimes there are no symptoms
- Less sharp vision
- Blurred vision
- Spots or floating spots in the field of vision
- Distortion of the image, especially of straight lines
Leaky blood vessels are treated with intravitreal injections with anti-VEGF medication or with cortisone injections. This treatment needs to be repeated a few times, depending on the reaction to the injections.
In the event of oxygen deficiency, known as ischemia, sometimes a laser treatment can be used. Several sessions may be necessary in this case as well. For this treatment, the pupil is dilated, meaning that you can’t drive a car in the first few hours after the treatment. So please have someone go with you to our eye centre.
The cost of retinopathy treatment depends on your specific situation and the type of treatment chosen. These treatments are covered by medical insurance.