How Do Keratoconus Patients See?

Keratoconus is an important eye condition that directly affects vision. In this disease, we state that the quality of vision decreases and the person’s vision gradually deteriorates. So, how do keratoconus patients see? Vision deteriorates, but what does it look like? In this content, we will give information about the effects of keratoconus on vision and how it can be managed.

Changes in the eye caused by keratoconus

Keratoconus is characterized by an irregular thinning of the cornea. The cornea is the transparent layer of tissue in front of the eye and allows light to enter the eye. However, when keratoconus develops, the cornea takes on a more and more conical shape. It starts to become pointed and gradually loses its flexibility. As a result, light cannot be refracted correctly. Vision gradually deteriorates as light cannot be focused correctly.

Patients in this Condition;

  • Double vision in images
  • Blurred vision
  • Visualization of objects with a light source in the form of a circle
  • They may face different vision scenarios with progressive deterioration of clarity.

Depending on the progression of the disease, the negative effect on vision may change or increase. Especially in the later stages, the deformity of the cornea will increase even more, which may lead to a complete loss of vision.


Keratoconus can cause visual impairment and reduced visual quality. Patients with keratoconus may face problems such as astigmatism, blurred vision, light sensitivity and double vision. We can even refer to these vision problems as symptoms of the disease, rather than simply defining them as how keratoconus patients see.

But remember that with proper treatment and management strategies, the effects of keratoconus can be reduced and vision problems can be corrected. Keratoconus can be effectively managed with the right treatment approaches. However, early diagnosis and treatment are important. It is important for people experiencing vision problems and showing signs of keratoconus to consult an ophthalmologist.

Depending on how advanced the disease is, the treatments to be chosen and applied will vary. As mentioned above, specialist doctors will make the best decision and recommend the appropriate treatment to improve your vision.

Assoc. Prof. Aylin Kılıç

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