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Keratoconus is a progressive eye disease which affects the shape of the cornea causing blurred vision. In 20%-30% of cases, the condition is progressive resulting in thinning and weakening of the cornea. This then causes the cornea to bulge into a cone-like irregular shape causing distorted and blurred vision.
If you have questions about Keratoconus and the treatment options that are available, please call us on 0203 369 2020, or request a call back.
Keratoconus is a progressive non-inflammatory condition of the cornea (the clear window at the front of the eye) which causes its shape to change and bulge. It is a condition which gets progressively worse, and may eventually result in the splitting of the back surface of the cornea. This is known as acute corneal hydrops.
The bulging, cone-shaped cornea distorts the light that travels to the retina, resulting in distorted images being passed to the brain.
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Keratoconus always affects both eyes, although there can be a marked difference in the severity of each eye affected. Opticians and Optometrists sometimes pick up keratoconus due to an increase in the astigmatism of their patients. Increasing astigmatism should trigger a suspicion of keratoconus and referral for specialist investigation. The astigmatism associated with keratoconus is not regular, which means that it cannot be fully corrected with glasses. In very mild/early cases people may see relatively well with glasses alone, although most people with more advanced keratoconus see best with special keratoconus contact lenses. We works with several world class keratoconus contact lens treatment specialists who are able to provide lenses for even the most difficult eyes.
Keratoconus affects around 1 in 2000 caucasian and 1 in 500 Asian people
The symptoms are blurring and reduced quality of vision, and can make tasks such as driving and reading difficult. You may also experience sensitivity to bright light, and ‘ghosting’ of images, particularly when driving at night. The symptoms may change over time.
Keratoconus causes vision to change frequently and if you find your lens prescription changes often, this could be a sign of Keratoconus.
If you suffer from blurred vision and would like to discuss potential diagnosis and treatment options, make an enquiry or call on 0203 369 2020.
The underlying problem is weakness of the supporting collagen fibres in the cornea. This makes the cornea structurally and biomechanically “weak”.
It mainly affects people in their teens through to their early thirties. It is most common in people with Down’s Syndrome, and in Asian or Arabic people, and can also affect people with asthma or eczema. It affects males and females equally, and can effect one eye more than the other.
If you are experiencing poor quality of vision, speak to your optician or contact us for an appointment. Keratoconus can be similar to astigmatism and is often picked-up during astigmatism consultations.
Keratoconus can be diagnosed using state of the art elevation-based scheimpflug corneal topography. This technology also allows detection of subclinical forms of keratotoconus, such as forme fruste keratotoconus, which is very important as part of a safe laser eye surgery evaluation. It also allows the condition of the eye to be quantified, so that your surgeon can let you know if and at what rate your condition is progressing. This is very helpful in deciding keratoconus treatment options.
Keratoconus can take many years to develop and regular check-ups are recommended for anyone diagnosed with this condition.
Mild cases of Keratoconus can be treated through the use of glasses and specialist contact lenses. In more serious cases, a corneal implant or transplant may be needed. Up to 1 in 4 people with Keratoconus will need surgery.
Most cases of Keratoconus can be corrected with a range of specialist contact lenses, or a combination of corneal surgery and soft contact lenses. The disease generally stops getting worse in your 30s.
Keratoconus is a more serious eye condition but advances in technology mean that it can be treated and activities such as driving and reading are now possible for Keratoconus sufferers. Keratoconus treatments have a high success rate and further research will increase this success even further still.
Mr Romesh Angunawela answering the question whether laser eye surgery can be performed to treat keratoconus.
Corneal collagen crosslinking has revolutionised the management of keratoconus. Now, for the first time, there is a keratoconus treatment available that can stop the disease from progressing.
The procedure is done as a day case under topical anaesthetic drops. The cornea is soaked in Riboflavin (vitamin B2) drops and then an ultraviolet light (UVA) is shone onto the cornea. With traditional crosslinking, this keratoconus treatment takes an hour, but with Avedro accelerated crosslinking, the procedure can be done safely in a matter of minutes. A bandage contact lens is placed on the cornea at the end of the procedure and this is removed once healing is complete between 3-5 days after the treatment.
The main two ring options are intacs and kerarings. We prefer kerarings, as these rings are custom-made for each individual corneal shape and thickness.
The plastic ring segments are inserted into a specially made channel in the cornea and they act to flatten the cornea into a more normal shape. This normally results in less need for contact lenses. They can be inserted prior to accelerated crosslinking or at the same visit. They can also be used in some situations where crosslinking is not indicated or not needed. This keratoconus treatment procedure is painless and is done with anaesthetic drops.
A Phakic IOL, an implantable collamer lens, is a good option for those with keratoconus who would like freedom from contact lenses or glasses. Traditional laser eye surgery is usually not possible in people with keratoconus. The surgery is performed under a local anaesthetic and takes around 10-15 minutes from start to finish. It is not painful and recovery times are surprisingly short.
Phakic IOLs are most useful for people who achieve a good level of vision with glasses.
This can be a useful adjuvant to corneal collagen crosslinking in carefully selected patients requiring keratoconus treatment.
First, the laser is used to carry out a transepithelial ablation. A maximum of 60 microns of corneal tissue is then reshaped to help improve the vision as well as to diffuse the stress strain of the cone on the cornea.
We are specialists in carrying out this innovative eye procedure which leaves the endothelial cell layer undisturbed by only transplanting the diseased portion of the cornea. This removes the risk of endothelial rejection, but is more technically demanding. 4 in 5 cases are able to be treated using this technique, with the other case in 5 receiving the traditional penetrating corneal transplant.
This eye treatment requires a general anaesthetic, and eyes will be mildly uncomfortable for around a week after the operation. Eye drops are administered over the course of several months. The inserted sutures are removed after a year, and success rates are high.
All surgeons have been dual fellowship trained at centres of excellence in London and internationally.
Bespoke treatment plan tailored directly by your surgeon with comprehensive aftercare and support.
We have invested in the best currently available technology for laser eye surgery and lens surgery
Our clinic in Central London and other clinics in London, Hertfordshire and Kent are equipped with the latest technology
For those who feel unable to attend in person we are now offering expert support through video consultations for self-pay & insured patients
We are partnered with Novuna and can offer 0% finance for all of our eye surgery procedures. Our affordable finance can make it easier to spread the cost of surgery over a number of months if required.