Tests Performed To Diagnose Keratoconus

Keratoconus is an eye problem that bothers some individuals

. Encountering this unfortunate condition, it is important to learn its current and the next stages. In order to determine the condition of keratoconus which occurs in the cornea, an eye doctor may take several tests. This writing describes the steps of determining the condition of keratoconus.

Firstly, a keratoscope will be used to get a close view of the corneal surface. This is the primary step the doctor takes to look closer into the patients cornea. Keratoscope as an invasive device enables the doctor to get a better understanding of the damage to the cornea of the patient.

The second step is to look at the corneal pattern. This step is aimed to show more accurate details of the damage area on the cornea. The doctor will use a corneal topography to project a digital image of the cornea. From this corneal topography, it is possible for the doctor to see the corneal damage or scarring. Moreover, the speed keratoconus is progressing can also be estimated.

Keratoconus has several levels of severity. The corneal topography can also help the doctor to determine the current severity of keratoconus according to different measurement ways. When the thickness of the cornea is measured, 506 represents mild keratoconus and less than 446 means the disease is advanced. According to the steepness of greatest curvature, a mild keratoconus has 40-45D, an advanced keratoconus has 52D and a severe keratoconus will be measured above 52D. Furthermore, a sagging cone can also indicate the advancing of keratoconus.

The corneal topography can tell so many aspects of keratoconus that it helps the doctor determine the next course of action. It is ok for patients to ask any related questions in order to understand the next stage of the disease.

If you want to know more about vision knowledge, then feel free to visit http://vision.firmoo.com/eye-diseases

by: homas Carter

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