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CATARACT PROCEDURE

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A step by step guide to cataract removal

What does the surgery involve?

How long will the surgery take?

What happens after the operation?

How quickly will my vision be restored?

What will my vision be like after my eye has healed?

Can I have both eyes done at once?

What are the risks of cataract sugery?

How long does the implant last?

Can a cataract come back?

 

A step by step guide to cataract removal

What does the surgery involve?Rob Morris - Cataract Surgery
On the day of surgery and once in the hospital you will be given eye drops to dilate the pupil. The area around your eye will be washed and cleansed. The operation usually lasts about 15 minutes and is painless as it is usually performed under a local or topical anaesthetic.

The technology used is a machine called a phacoemulsifier (phaco). Contrary to popular belief, a laser machine is not used. The surgeon makes a micro-incision on the side of the cornea, no more than 3.5mm and inserts a tiny probe into the eye. This ‘phaco’ device emits ultrasound waves that soften and break up the cloudy lens. It is then removed by suction. Once removed the original lens is replaced by a lens implant which is folded, and inserted through the tiny incision. It then unfolds once in place in the eye. As there are no stitches, this means you can return home the same day and look forward to a rapid and pain-free recovery.

How long will the surgery take?
The operation itself will take up to 15 minutes depending on the complexity of the case. However you will need to allow to be in the hospital for about 3-4 hours. You will need someone to collect you or we can arrange transport for you.

What happens after the operation?
After the operation you will rest for a while and have refreshments. Once the surgeon has seen you, you can go home. You will be given a dressing pack to swab the eye clean the following day, and some antibiotic and anti-inflammatory eye drops to apply at home after the surgery.

How quickly will my vision be restored?
Your vision will be slightly blurred for a few days while your eye heals. It is usual to feel some discomfort until your eye settles but there should be no pain. Any discomfort can be relieved by taking paracetamol. After a couple of days you will start to notice a significant improvement in your vision. You will see the surgeon again after 2 weeks and will visit your optometrist for new glasses after 4 weeks.

You can quickly return to many everyday activities, although heavy lifting or other strenuous activities should be avoided for a week. The healing eye needs time to adjust so that it can focus properly with the other eye, especially if the other eye has a cataract. Ask your surgeon or optometrist when you can resume driving.

What will my vision be like after my eye has healed?
Once you have been given your new glasses, you may notice that everything seems a lot brighter than you remember. Colours may be sharper and may have a blue-ish tinge. Or, in bright sunlight you may feel you are looking through rose-coloured glasses. These colour tinges are normal and are because you are now looking at the world through a clear lens that is no longer cloudy. Within a few months your brain will get used to your new clear vision and these colours should go away.

These paintings were given to us by two cataract patients,
who are artists. The paintings represent what the patients
remember seeing during the surgery. The vivid colourful lights
are very typical of patient’s visual experience. Both patients
are delighted with the results of their surgery.

  

Can I have both eyes done at once?
If you have cataracts in both eyes, the surgeon will not remove them both at the same time. You will need to have each done separately, although they can both generally be done within about 2 – 4 weeks.

What are the risks of cataract surgery?
Your Consultant has performed many thousands of cataract operations. Grange Eye Consultants ensure that the technology and products used for the surgery are of the highest standards available. The surgery can be carried out at the hospital of your choice (please see our Locations section). These hospitals are all modern, comfortable private hospitals and provide excellent patient care.

Although the vast majority of patients achieve excellent results without complications, it should not be forgotten that cataract removal is a surgical procedure. As with all forms of eye surgery, cataract removal has risks and whilst we make every effort to minimise them they cannot be totally eliminated.

The most common risks associated with the cataract operation are:
i.
Retinal Detachment – occurs when the retina detaches from its normal position and can result in severe loss of vision if surgical correction is not successful. The approximate risk of a retinal detachment in the general population is 0.01 % per year. Someone who is hyperopic has a smaller risk than this, whereas a myopic patient has a slightly higher risk than this.
ii.
Infection - every time there is an incision made in an eye for any reason it is possible to get an infection inside the eye which has the potential to cause severe visual loss. This problem is extremely rare and our rate of endophthalmitis is less than 0.03%. After the cataract operation, to help protect against infection eye-drops are prescribed which must be used as directed
iii.
Macular Oedema – is an accumulation of fluid at the central retina which can cause temporary or permanent reduction in vision after surgery. The postoperative eye-drops also help to reduce this risk.
iv.
Floaters – are often noticeable immediately after surgery but usually become less noticeable with time.
v.
Posterior Capsule Opacification (PCO) – is thickening of the residual lens membrane which supports the lens implant. Approximately 25% of patients will, at some stage, notice a reduction in their vision due to PCO. It may occur months or even years after surgery and is easily and quickly dealt with by outpatient laser treatment.
vi.
Other possible complications include tearing of the lens capsule (<1%) which could mean that it is more difficult to implant an intraocular lens. There are other extremely rare complications which your surgeon will discuss with you prior to surgery.

How long does the implant last?
The lens implants we use are left in place for life.

Can a cataract come back?
Once you have a lens implant (intra-ocular lens or IOL as it is called) you cannot develop another cataract in that eye. However, it is quite common for the membrane that holds the lens in place to develop some cell regrowth in the first 18 months after surgery. Should this occur, it is easily and painlessly removed in seconds using a small laser beam in the surgeons consulting rooms. This technique is called a YAG laser capsulotomy and is a simple outpatient procedure.


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