A keratoconus patient lives with a uniquely shaped cornea — one the disease has progressively deformed into a cone. But have you ever wondered what a keratoconus patient actually sees, and how the condition shapes daily life? In this article we take a closer look at the keratoconus patient: how they cope, which treatments are available, and finally — and importantly — what to look for when choosing your treating ophthalmologist. We strongly recommend reading to the end.
Who Is the Keratoconus Patient and What Do They See?
Symptoms typically begin in the early teenage years and then progress noticeably through the mid-twenties and early thirties. They include:
- Gradual change of the cornea from its normal shape into a cone — the result of structural changes that leave the cornea thinner and weaker.
- Blurred vision, caused by that same corneal weakening and change of shape.
- Marked sensitivity to light and glare — again traced back to the weakened, reshaped cornea.
- Gradually worsening vision in one or both eyes. It's hard for vision to stay stable when the cornea has lost both its normal shape and its strength.
- Halos around bright lights.
From this list you can already imagine what a keratoconus patient sees — and how hard the condition can be to live with. The changes in vision are major and noticeable, and coping is genuinely difficult. To address any disease, though, we first need to understand its causes and complications.
Causes of Keratoconus
The exact cause is still not known. Studies suggest a combination of genetic and environmental factors is at work — many patients have a family member with the disease, though that alone doesn't explain it. The known risk factors that can contribute include:
- A family history of keratoconus.
- Vigorous eye rubbing.
- Certain conditions including retinitis pigmentosa, Down syndrome, Ehlers-Danlos syndrome, hay fever and asthma.
Now that we've looked at how a keratoconus patient sees and what causes the disease, let's move on to diagnosis and treatment.
💙 A note from Dr. Ahmed Shaarawy's team
In the spirit of sharing positive energy with patients considering corneal transplantation, here is a real story from someone who walked the same path you're considering today. We share it so you know there is a solution — and that the procedure is no longer as difficult as it once was, thanks to the advanced techniques Dr. Ahmed Shaarawy uses.
📅 Book a consultation with Dr. Ahmed Shaarawy
How Keratoconus Is Diagnosed and How a Patient Sees
To diagnose keratoconus, the ophthalmologist runs a series of tests that also determine the right treatment for each patient.
1. Refraction test:
Your ophthalmologist uses dedicated equipment to measure your eyes and check for vision problems. You may be asked to look through a device with rotating wheels of different lenses (a phoropter) to find the combination that gives you the clearest vision, and some clinicians also use a hand-held instrument called a retinoscope.
2. Slit-lamp examination:
A vertical beam of light is directed onto the surface of the eye while the doctor examines it through a low-power microscope, assessing the shape of the cornea and looking for any other issues in the eye.
3. Keratometry:
A circle of light is focused onto the cornea and its reflection measured, revealing the cornea's basic shape.
4. Corneal topography (Pentacam imaging):
This is one of the most important tests for detecting keratoconus. Topography often picks up early signs of the disease before anything is visible on slit-lamp examination.
Treatment Options for Keratoconus
Management depends on the stage of disease, and treatment moves through phases.
Stage 1: the focus is on correcting vision with glasses or soft contact lenses.
Stage 2: the corneal condition has worsened, and rigid gas-permeable contact lenses are introduced.
Advanced stages: surgical procedures come into play (corneal transplantation).
One thing to be clear about: there is no cure for keratoconus with medication or eye drops alone.
How to Choose Your Doctor Carefully
Corneal diseases are relatively uncommon, so your treating ophthalmologist should be specialised, experienced and up to date in this particular field — with a long history of treating keratoconus and performing corneal transplants, and current knowledge of the latest techniques. That is what gives you the outcomes you need, and a clearer answer to the question of what a keratoconus patient sees.
Who is the best doctor for keratoconus management?
Dr. Ahmed Shaarawy is a lecturer and consultant in cornea and refractive surgery at the Research Institute of Ophthalmology. He holds a PhD and fellowship in corneal surgery from the Devers Eye Institute in Oregon, USA, where he trained under leading American eye surgeons. He was the first surgeon in Egypt to perform endothelial keratoplasty (DSAEK) using the S-stamp technique, and has taught it to many ophthalmologists and presented it at numerous conferences in the United States and the Arab world. Dr. Shaarawy is regarded as one of Egypt's most prominent eye surgeons, with a long record of successful operations and a consistent commitment to the latest techniques in eye surgery.
Keratoconus is a relatively uncommon disease and managing it takes time — but modern medicine offers effective options, particularly when it's caught early and the right measures are taken to slow progression. Best wishes for a swift recovery to all keratoconus patients.