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At Keratoconus Eye Disorder Screening Clinic there is no shortcut to detect early or subclinical keratoconus,. One single parameter as a diagnostic factor is not good enough.We require more than one device to screen for keratoconus eye disorder. Algorithims and predictive models in the hnads of keratoconus expert doctors are the best option. Still predicting whether the keratoconus eye disease will progress and which Keratoconus treatment is best requires expereince and knowledge.Useful predictive factors are age, keratomety, corneal elevation data, and corneal thickness maps.
Increased curvature, high astigmatism, superior inferior asymmetry as well as difference between the eyes all are part of KISA index which helps in detection of keratoconus eye disorder. Newer methods like oculare residual index and topographical disparity are helpful. Digital interpretation of placido disk images like where the centers of the rings are located are useful.
The central thinning as well as the distribution of thinning can detect early keratoconus. New studies have pointed that pattern stand deviation of epithelium may be more sensitive in detection than even total corneal thickness.These tests need to be repeated to learn if keratoconus is progressing
HOA get worse as the disease progresses and may even allow classification of the severity of the disease process. IN real life this translates into difficulty in driving especially at night.
At our Keratoconus detection centers we know that Corneal hysteresis (CH) and the corneal resistance factor (CRF), are different in keratoconus. We are hoping the accuracy and reliability of these techniques improves int he next few years.
Birefringence of corneal stromal fibers measured using polarization-sensitive OCT is a newer exciting method.
There is decrease in corneal nerve fibres density, corneal nerve fibre lenght, keratocytes. There is increase in the thickness of the corneal nerves. Confocal microscopy is therefore valuable in detecting keratoconus eye disorder.
This topic is too technical but Keratoconus experts need to be familiar with it.
We know you are concerned whether you or your loved ones may be suffering from Keratoconus. You may want to knwo about cornea cross linking recovery.Our keratoconus experts who specialize in detecting keratoconus conduct exams to find keratoconus in people. Register for our keratoconus webinars.
Based on the article in JCRS
New perspectives on the detection and progression of keratoconus
Antonio Martínez-Abad, MSc, David P. Pin~ero, PhD
I am tired of wearing glasses and contacts. My vision is affecting my work. I am worried I may loose vision. I want to preserve my precious vision!