It is very possible for you to get keratoconus if you wear too much contact lenses with bad habits of using. Your cone thinning of the cornea is the central forward. The keratoconus often causes highly irregular myopic astigmatism and different degrees of visual impairment, without inflammation. It is often happened among women around the age of youth. Because of the coming invisible bacterium which your bad habits of wearing contact lenses cause, you may get keratoconus easily. The early symptom is with refractive error, for myopia. Then it is gradually developed into astigmatism or irregular astigmatism. You could use the general lens to correct your vision. The medium-term vision declines further which you could not use the lenses to correct. You must use contact lens vision correction and slit lamp examination to see the top of the central cornea gradually thinning, push out and so on. In addition, the corneal stromal edema and opacity can occur. Later, the apex often forms irregular linear scar or muddy cornea. Thus, you should better use the contact lenses in the right way, following the hygiene way to protect the eyes.
