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Dr Archie Lamb - Eye Surgeon
Dr Archie Lamb - Eye Surgeon
Dr Archie Lamb - Eye Surgeon Dr Archie Lamb - Eye Surgeon
Dr Archie Lamb - Eye Surgeon
 
Laser Treatment
   
What is a Laser?
What does a Laser do?
How does the laser work?
Is the Laser dangerous?
Does laser work the same for everyone?
Can leg veins be treated with Laser?
What can I expect during and after treatment?
Do the blemishes recur?
Does the treatment hurt?
Are there any restrictions after treatment?
 
The Copper Bromide Laser, produces yellow light which targets the red component of blood. This blood is coagulated destroying the vessel. Facial vessels and birthmarks respond very well to this treatment. Other areas are less responsive, particularily the legs.
What is laser?
A laser is a machine that emits a high intensity, narrow beam of light, usually of one colour (wavelength).
What does a laser do?
There are many types of laser. Those used in medicine have diverse applications, eg destroying tumours and reshaping the surface of the eye for shortsightedness. Different lasers have different features, which make each one suitable for its specific purpose. The Copper Bromide laser emits yellow light, which is absorbed by blood vessels, and green light, which is absorbed by brown pigments. Each colour can be used independently, or in combination.
How does the laser work?
The red component of blood (haemoglobin) strongly absorbs yellow light. Other skin components - sweat glands, hair follicles, connective tissues (collagen and elastin) - do not absorb this light energy. The laser therefore coagulates the dilated blood vessels ('broken capillaries', red birthmarks) while the surrounding tissue remains undamaged. Over the subsequent three to six weeks, the laser treated vessels will be replaced by microscopic fibrous tissue or a smaller, less noticeable vessel. The skin around each vessel receives a mild heat injury, which resolves without scar formation.
Is the laser dangerous?
The laser penetrates skin to a maximum depth of about one millimetre, so cannot affect deeper tissues or internal organs with the exception being the eye, which can be readily injured. Special eye shields or goggles are used when the laser is in operation.
Does laser work the same for everyone?

Each person's response to laser treatment is different, depending on a variety of factors. The size of the vessels and their depth below the surface of the skin are both important. Superficial red vessels respond better than those that are deeper and blue.

The colour of the skin is also important. Darkly pigmented, suntanned or artificially tanned skin is less suitable for laser therapy, as the laser light cannot pass through the layer of pigment to reach the blood vessels.
Can leg veins be treated with laser?
Only minor leg vessels can be successfully treated with laser alone. Surgery and sclerotherapy are usually required. However, following surgery or sclerotherapy, some small veins may persist. These can often be successfully treated with laser.
What can I expect during and after treatment?
The treatment is performed in the surgery. Your eyes will be covered with protective shields. The skin is cooled during the treatment. If a large area is to be treated, a test patch, particularly on the face, will be performed.
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Blemishes such as 'broken capillaries', 'cherry spots' and other red marks can be easily treated without any anaesthesia. The treated area becomes flushed for a few hours. This is usually gone by the following day. If a large number of vessels are treated, there may be some swelling, especially under the eyes. Only in the most severe cases does this last for more than 24 to 48 hours. The day after treatment, the vessels may seem to reappear, but will progressively shrivel and fade over five to seven days. Some minor skin flaking may be noticed up to a week after the treatment. Women may wear makeup immediately after treatment without harmful effects. Sunscreen is essential, not only to protect treated skin, but to minimise recurrence of the problem.

Any remaining vessels may be treated at eight weeks intervals. Repeated treatments do not harm the skin. Generally, only one or two treatments are needed for 90% clearance of unwanted vessels. The second treatment, if necessary, is usually half the duration of the first. The need for a second treatment is the decision of the patient, not the treating doctor.

Prominent blood vessels on the nose (especially the sides and tip) and the chin are often more resistant to laser treatment. These are, in fact, anatomically normal vessels that are dilated and therefore visible. A combination of sclerotherapy (micro injections) and laser, helps reduce these more effectively. These details are discussed at the initial consultation.

Do blemishes recur?

Recurrence of dilated capillaries is related to a hereditary predisposition, past history of sun exposure (especially during childhood) and some diseases such as Rosacea. Most people will not need another treatment for several years. Contrary to popular belief, alcohol, tea and coffee and spicy foods do not cause significant aggravation of facial veins.

Most laser treatments do not attract Medicare or Private Health rebates, as they are considered cosmetic. There are some exceptions; these are discussed at the initial consultation.
Does the treatment hurt?
A minor stinging sensation is common, however it is minimised by cooling the skin during treatment. If one is very sensitive, anaesthetic cream can be applied prior to the treatment. A sedative before treatment is optional.
Are there any restrictions after treatment?
Normal activity can be resumed after treatment. Treated areas should be protected from sunlight or tanning until the skin colour has returned to normal. Gentle cleansing of the skin and application of a soothing ointment may be required. If there is any sign of infection, an antibiotic ointment will be prescribed.

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This page was last updated on Sunday May 26, 2002.
 
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