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Understanding Keratoconus
Clarity for Your Vision Journey
Keratoconus is a progressive eye condition that affects the shape and clarity of the cornea, the transparent front surface of the eye.
Instead of maintaining its natural dome shape, the cornea thins and bulges into a cone-like shape, leading to blurred and distorted vision. This change makes it challenging to focus on objects, read fine print, or drive at night.
Common symptoms include increased sensitivity to light, difficulty with night vision, and the need for frequent prescription changes for glasses or contact lenses.
If left untreated, keratoconus can worsen over time, impacting daily activities and overall quality of life.
Thankfully, advancements in treatment offer effective ways to stabilise and improve vision, allowing individuals with keratoconus to manage their condition and regain visual clarity. Whether you’re seeking relief from current symptoms or looking to prevent further progression, our personalised treatments and advanced technology are designed to help you see clearly and confidently again.
Keratoconus Progression
From Shape Change to Vision Loss
Corneal Collagen Cross Linking (CXL)
STEP 1
Vitamin drops are applied to soak the cornea collagen.
STEP 2
A UV light is applied, which triggers the cross-linking section.
STEP 3
More bonds/ links are created between collagen fibres, strengthening the cornea and preventing progression.
CAIRS (corneal allogenic ring segments)
Solutions for a highly irregular cornea
Improving Vision After Cross-Linking with CAIRS
Even though Corneal Cross-Linking (CXL) can successfully halt the progression of keratoconus, not all patients experience improved vision. Some continue to struggle with poor vision or contact lens intolerance due to an irregular corneal shape that persists after treatment.
If you’ve had cross-linking but still find contact lenses uncomfortable or your vision unsatisfactory, you may have a significantly irregular cornea. In such cases, a procedure called CAIRS (Corneal Allogenic Intrastromal Ring Segments) could offer a solution.
CAIRS uses natural donor corneal tissue to reshape the eye’s surface. Unlike synthetic rings, this biological alternative can help restore a more regular corneal curve, making contact lenses easier to wear and improving your corrected vision.
PROCEDURE
INSERTION of a femto laser precisely creates the tunnel for CAIRS placement.
RESULTS
The shape of the cornea becomes more regular, and the cone is flattened.
Therapeutic Laser
An advanced laser technique used to optimise corneal symmetry and visual performance.
STEP 1
Cross-section of a keratoconic cornea.
STEP 2
Excimer laser ablation.
STEP 3
Partially normalised cornea.
About Keratoconus Treatments and What to Expect
Clear, Simple Answers to Common Questions
How long does each treatment option last?
The longevity of each treatment varies. Corneal Cross-Linking (CXL) is designed to provide long-term stability, often permanently halting the progression of keratoconus. Specialty contact lenses, such as scleral lenses, need periodic replacement, generally every 1-2 years. Implantable collagen rings (Intacs) offer ongoing support but may need adjustment over time, depending on individual changes. A corneal transplant is usually a permanent solution, though follow-up care is essential.
What are the risks and side effects?
Each treatment has specific risks and potential side effects. Corneal Cross-Linking is generally safe, with mild, temporary side effects such as eye discomfort and light sensitivity. Speciality lenses may cause slight initial discomfort as you adjust. Intacs are safe but can occasionally shift and may need adjusting. Corneal transplants carry typical surgical risks but are highly successful, with any side effects manageable through follow-up care. Our team will discuss all potential risks and ensure you’re fully informed before starting treatment.
Can I still wear contacts or glasses post-treatment?
Many patients wear glasses or contact lenses after treatment, especially if they prefer added correction for sharper vision. Following Corneal Cross-Linking, speciality contact lenses may offer the best clarity and comfort. After a corneal transplant, patients may need glasses or contacts but often find significant improvements in their vision.
What are the risks and side effects?
Each treatment has specific risks and potential side effects. Corneal Cross-Linking is generally safe, with mild, temporary side effects such as eye discomfort and light sensitivity. Speciality lenses may cause slight initial discomfort as you adjust. Intacs are safe but can occasionally shift and may need adjusting. Corneal transplants carry typical surgical risks but are highly successful, with any side effects manageable through follow-up care. Our team will discuss all potential risks and ensure you’re fully informed before starting treatment.
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