Dr Charl Roux: +27 (0)44 874 1258
Dr Richard Faul: +27 (0)44 873 0126
Dr Johannes Meyer: +27 (0)44 874 0178
Dr Beyers Botha: +27 (0)44 873 4174
   
E-Mail Address: george@ilaser.co.za
Fax Number: +27 (0)44 873 2469
Physical Address:
 
44 CJ Langenhoven Road, George
Postal Address: PO Box 10383
George, 6530
   
  
Dr Johannes Meyer: +27 (0)44 382 2687
   
E-Mail Address: knysna@ilaser.co.za
Fax Number: +27 (0)44 382 2730
   
Physical Address:
 
 
TH41 Thesen
Harbour Town
Knysna
   
Postal Address:
 
PO Box 10383
Knysna, 6570
   

Retinal Surgery

The Garden Route Eye Clinic has experienced Retinal Surgeons in its team. The George Surgical Centre is fully equipped with the latest technology for all types of Retinal Surgery. The specialised nursing staff has many years of experience in assisting retinal surgeons as well as eye surgery patients before, during and after surgery.

Retinal Detachment

The retina is a very thin layer of cells that lines the inside of the eye. The rod and cone cells absorb the light which is focussed on the retina by the lens. The visual impulse is then transmitted to the brain where the picture of the object is processed and seen.

Sometimes, mostly after a retinal break, the retina can come loose from the inside of the eye. The retina cannot function in this way, and that part of the retina cannot see the light.

Retinal DetachmentWhat are the symptoms of a retinal detachment?

A retinal detachment may be preceded by the appearance of floaters or flashes. Typically the patient sees the appearance of a curtain or a bubble from one side of the visual field. This may progress over the visual field until all vision in the eye is lost.

These signs can occur gradually as the retina pulls away from the supportive tissue, or they may occur suddenly if the retina detaches immediately.

About one in seven people with sudden onset of flashes and floaters will have a retinal tear or detachment, according to a study reported in late 2009 in the Journal of the American Medical Association.

Up to 50 per cent of people who experience a retinal tear will have a subsequent detachment. No pain is associated with retinal detachment. If you experience any of the signs, consult your Retinal Eye Specialist right away. Immediate treatment increases your odds of regaining lost vision.

How is a retinal detachment treated?retinal

A retinal detachment is treated surgically, with an operation to re-attach the retina to the inside of the eye. This is performed by a retinal specialist.

This is usually performed by an operation called a vitrectomy, during which the vitreous is replaced with gas or silicone oil. LASER treatment is performed to the retina to form a permanent attachment.

Macular Hole Surgery and Repair

Macular Hole can be caused by Vitreous Shrinkage and / or Separation. The back of your eye is filled with a rather thick, gel-like material called the vitreous humor (also called the vitreous body or the vitreous) that helps your eye keep its shape. The clear vitreous shrinks and becomes more liquid with aging.

macularBecause the vitreous is attached to the retina with tiny strands of cells, it can pull on the retina as it shrinks. Sometimes, this shrinkage can tear off a small piece of the retina, causing a hole.vitrectomy
If this missing piece of retina is in the macula, it's called a macular hole.

Another direct cause of macular holes due to vitreous shrinkage is when the strands stay attached to the retina and break away from the vitreous. These strands can contract around the macula, causing the macula to develop a hole from the traction.

In either case, fluid develops where the vitreous shrinks to fill the spaces. This fluid can seep into a macular hole, causing blurred and distorted vision.

A vitrectomy is the most common treatment for macular holes. In this surgery, the Retinal Specialist removes the vitreous gel to stop it from pulling on the retina. Then the specialist inserts a mixture of air and gas into the space once occupied by the vitreous. 

Intravitreal Injection (Avastin or Lucentis)

Age-related macular degeneration (ARMD) is the leading cause of blindness in people over 50 years of age. It is caused by the breakdown of the central portion of the retina (the nerve layer part of your eye) called the macula. The macula is responsible for the fine central vision in the eye that is needed for driving a car, reading fine print, recognising faces, etc. There are two types of macular degeneration: dry and wet. In the “wet” form of ARMD, abnormal blood vessels grow in the back of the eye. Sometimes these vessels leak blood or fluid that causes blurred or distorted vision.

There are other similar eye conditions that cause loss of central vision due to abnormal growth of blood vessels in the back of the eye. These can also occur in young patients, and include conditions such as high myopia (nearsightedness) and eye injury. Sometimes there is no known reason for the abnormal blood vessels. Without effective treatment, vision loss may be rapid and severe.

How is the treatment given?

Avastin / Lucentis intravitreal injection is given by our retinal specialists. The drug is injected into the vitreous gel, which is the jelly-like substance in the back chamber of the eye.

  • This is a sterile procedure that is administered in our theatre.
  • Local anaesthetic drops are used to numb the eye.
  • You should experience minimal or no pain after the procedure.
  • This injection may have to be repeated at regular intervals.
  • Our retinal specialists will advise you of required / suitable treatment.

 

Enquire about a specific surgery by completing the short form below:

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Garden Route Eye Clinic has consulting rooms in Knysna and George, as well as in Oudtshoorn and Riversdale bringing eye care closer to home in the Southern Cape. Specialist eye surgery is performed at George Surgical Centre. We also perform surgery in Knysna.

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More than half a century's worth of combined practice, professionalism, and utmost dedication to their fields of expertise assure patients that they're in the hands of experienced ophthalmologists.

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Garden Route Eye Clinic is equipped to perform specialist eye treatment and advanced eye surgery. We utilise only the latest methods and modern equipment to ensure that our patients receive the best possible eye treatment.

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