1. What is keratoconus disease?

Keratoconus is a corneal disease characterized by the deterioration of the smooth dome-like shape of the transparent layer, that is, the cornea layer, in the anterior part of the eye, gradually thinning and sharpening.

  1. Who gets keratoconus?

Keratoconus is mostly seen in the young patient group and especially in the 20-40 age group.

It is a genetically inherited disease. itchy eyes or

may increase with rubbing. such as allergies or Down syndrome

may occur with the circumstances.

  1. What are the first symptoms of keratoconus disease?

The first symptoms of keratoconus are blurred vision and inability to see far. In the initial stage of the disease, the refractive error, which is often measured as myopic astigmatism, increases continuously.

4. How is the diagnosis of keratoconus made?

Clinical examination, features of the anterior and posterior surface of the cornea such as refraction and inclination.

and topography maps showing corneal thickness are helpful in diagnosis.

5. How does the disease progress?

As the corneal deformity progresses, the refractive error cannot be fully corrected with glasses and visual acuity decreases. Even if the measured number is given to the patient as glasses, the patient may still complain of not being able to see clearly. There is an imbalance between the number that the patient sees best and the measured numbers.

  1. Does keratoconus show the same symptoms in both eyes?

Keratoconus can be in the same or different stages in both eyes. prominent in one eye

When there is keratoconus, the diagnosis is only on topographic examination in the other eye.

There may be occult keratoconus that can be diagnosed and does not progress.

  1. What happens in the late stage of keratoconus disease?

When keratoconus progresses too far, the cornea forms in the anterior part of the eye.

tapering is noticed, scars may occur on the cornea. The patient’s vision at this stage

sharpness is very low. Cannot use glasses and contact lenses.

8. How many types of treatments are there for keratoconus?

Treatment of keratoconus consists of glasses, contact lenses, collagen cross-linking, intra-corneal ring surgery and corneal transplantation options, depending on the stages of the disease and the rate of development.

  1. Can you explain these treatments?

Beginning It can be rehabilitated with glasses in the stage. Soft contact lenses can be used in less severe astigmatism and myopia. If the astigmatism is very irregular and the corneal deformity is advanced, gas-permeable hard contact lenses are preferred. Visual acuity can be greatly increased with newly developed hybrid lenses with hard edges in the middle. If the cornea is too tapered, the contact lenses do not fit properly on the cornea, they may slip, and small scars occur.

In cases where corneal thickness is over 450 microns but keratoconus progresses rapidly collagen crosslinking Surgery aims to stop keratoconus by tightening the collagen bonds in the cornea and hardening the cornea. Although there are promising developments regarding this method, it cannot be applied in advanced stages.

MiddleFor keratoconus patients intracorneal ring surgery is recommended. Transparent semicircular rings are placed by opening a channel into the cornea with a laser. Thus, the patient’s vision becomes better without glasses. The disadvantage of this method is that it cannot be applied to very thin corneas.

if illness Furtherif it came to the universe then corneal transplant We can refer to the surgical method we call. In this treatment method, the very thin, pointed and irregular middle part of the cornea is removed in the form of a small button, and healthy corneal tissue of the appropriate size from a donor is sutured. After the operation, the condition in the eye is not noticed from the outside and there is no change in eye color, the patient may need to wear glasses.

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