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SLT FAQs2020-10-13T15:11:36+00:00
How successful is Selective Laser Trabeculoplasty (SLT)?2020-05-10T14:26:41+00:00

Approximately 3 out of 4 ocular hypertension or early glaucoma patients may enjoy a drop free life. Be aware that the effect on the eye pressure may take up to 2-3 months to show. 

Is the SLT suitable for everyone with glaucoma?2020-05-10T14:27:11+00:00

There are certain types of glaucoma (e.g. angle closure glaucoma) where SLT is not recommended. I will discuss your suitability at the consultation prior to the procedure. 

Is the SLT dangerous?2020-05-10T14:27:57+00:00

SLT is very safe. It is a “cold” type of laser, which uses low energy light and generates minimal heat, hence it doesn’t cause tissue destruction, in contrast to other types of laser. 

How does the SLT work?2020-05-10T14:28:40+00:00

It is called “selective” because it is absorbed by selected pigmented tissue in the eye. It triggers a chemical and biological change in the trabecular meshwork, which improves the drainage of fluid out of the eye.

What are the potential side effects?2020-05-10T14:29:49+00:00

It may cause some inflammation in the eye, which is easily treated with a short cause of drops. Rarely, the eye pressure can increase after the procedure, especially the first day. I will monitor you closely and will be able to deal with any “spike” in eye pressure, which is usually transient and resolves with a short course of drops. 

How long does it take?2020-05-10T14:30:19+00:00

It usually takes about 15 minutes per eye.

Is it painful?2020-05-10T14:30:44+00:00

Before the laser, your eye will be numb with anaesthetic drops. You will feel the contact lens on your eye which might cause slight discomfort. The laser itself can sometimes cause minimal “pricking” sensation. 

What is the aftercare?2020-05-10T14:31:08+00:00

In most cases, you can resume normal activities the following day. I will advise you on any additional drops you may require for a few days. 

Do I continue with my glaucoma drops?2020-05-10T14:32:08+00:00

It depends on your personal circumstances Iapproximately three quarters of patientwith ocular hypertension, drops can be stopped or at least reduced.  

How long does it last?2020-05-10T14:32:28+00:00

In most cases the effect lasts more than a year, but if the eye pressure increases it can be repeated. 

Will SLT improve my vision?2020-05-10T14:33:07+00:00

This purpose of SLT is not to improve your vision but to preserve your eyes from further deterioration due to glaucoma. 

What is the cost of SLT?2020-05-11T09:43:43+00:00

The cost of SLT is £800 for one eye or £1000 for both eyes.  Repeat treatments may be required – usually every 2-3 years.

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