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Laser Eye Surgery

Laser and Refractive Eye Surgery

There are 2 types of laser corrective eye surgery.

PRK (Photorefractive Keratectomy)

Laser Eye Surgery

The first is called PRK (Photorefractive Keratectomy) which is less expensive to have, involves surface ablation with an excimer laser and takes a little longer to heal (2-3 weeks).

PRK can be used to treat long-sightedness, short-sightedness and astigmatism but your eye surgeon will tell you after doing some tests whether you are a good candidate or not.

Femtosecond Laser

The second type involves making a corneal flap using (in our setting) a Femtosecond Laser.  Then the excimer laser is used to ablate the cornea as with PRK. NASA encourages all its astronauts to have this laser corrective surgery.

Macular Degeneration

Macular degeneration is also known as Age Related Macular Degeneration (AMD), because of the prevalence of the condition in older people.

Macular DegenerationIt is much more common among white people older than 50 and the risk of developing macular degeneration also increases a lot when people smoke, eat badly and have hypertension and high cholesterol. Also when they are very overweight.

Basically though it’s about genetics. If you are white (or have white ancestry), have blue eyes and are 60 years or older you should have a retinal exam and may be an OCT and autofluorescence photo of your retina by an ophthalmologist.

Retinal Surgery

Retinal detachment

A retinal detachment is a medical emergency because it is sight threatening.

Retinal SurgeryThe main symptoms of retinal detachment

Patients sees flashes of Light often accompanied by Floaters (ittle black spots moving around in front of your eye)

What looks like a black curtain.  The other eye has to be closed to see this!

Cataract Surgery

Cataracts are one of the leading causes of blindness in Africa but can be surgically removed, as soon as the vision is influenced. There are many causes for cataracts, including toxins, trauma and age.

Cataract Surgery

What is a Cataract?

A cataract is the lens inside the eye that gets more rigid and less clear with time. The lens is a very important refractive element in the eye, with a huge influence on your vision.

What to expect with cataract surgery?

Cataract SurgeryCataract Surgery is done under local anaesthesia in most hospitals. It is not necessary for patients to stay over in the hospital after surgery.  And in most cases your vision is hugely improved the day after surgery, which makes cataract surgery one of the most successful surgeries to undergo, if not the most successful.

The latest technology used for cataract surgery is through a micro incision and phacoemulsification which is an ultrasound technique. This means that the incision that the surgeon makes is only a 2 millimetres big and does not need stitches in most cases, which means that the patient is much more comfortable after surgery.


What is Glaucoma?

Glaucoma is a group of diseases that damage the optic nerve of the eye, and can result in loss of vision and blindness.

Glaucoma can be classified into two main type’s:

  • Open angle Glaucoma
  • Closed angle Glaucoma

GlaucomaThe dangerous aspect of this disease is that most of the time the patient has no idea he or she has glaucoma (until it is too late and there is permanent loss of vision that is noticeable to the patient!).

The only way of knowing you have glaucoma is by being tested by an eye specialist. Lots of things have to be looked at by the eye specialist to come to a diagnosis of glaucoma. Tests like ocular pressure, fundus examination and OCT (special camera) plus visual fields checking your peripheral vision need to be performed.