The purpose of this study is to determine whether corneal stroma implantation is effective in the treatment of keratoconus.
Keratoconus is a corneal disease with the progressive thinning of the central corneal stroma. The main treatment methods are corneal transplantation, corneal collagen cross-linking, etc. The effect of corneal collagen cross-linking is limited, and the lack of donor cornea is really a very big problem. In this pilot project, investigators would like to study whether corneal stroma implantation can increase the biomechanics of the cornea, which can, to some extent, delay the progress of keratoconus. This will allowed us to determine if useful data can be obtained, and if so, the donor cornea can be greatly saved.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
60
During the operation,implant the corneal stroma to the diseased cornea of keratoconus.
Shandong Eye Hospital
Jinan, Shandong, China
RECRUITINGThe best corrected visual acuity of the operated eye
To check whether the best corrected visual acuity，which is scaled by the integrated refractometer,is improved after surgery.
Time frame: 1 month after operation
The best corrected visual acuity of the operated eye
To check whether the best corrected visual acuity，which is scaled by the integrated refractometer,is improved after surgery.
Time frame: 3 months after operation
The best corrected visual acuity of the operated eye
To check whether the best corrected visual acuity，which is scaled by the integrated refractometer,is improved after surgery.
Time frame: 6 months after operation
The best corrected visual acuity of the operated eye
To check whether the best corrected visual acuity，which is scaled by the integrated refractometer,is improved after surgery.
Time frame: 12 months after operation
The biomechanics of the operated eye
To check whether the biomechanics,which is scaled by the corvis ST is improved after surgery.
Time frame: 1 month after operation
The biomechanics of the operated eye
To check whether the biomechanics,which is scaled by the corvis ST is improved after surgery.
Time frame: 3 months after operation
The biomechanics of the operated eye
To check whether the biomechanics,which is scaled by the corvis ST is improved after surgery.
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Time frame: 6 months after operation
The biomechanics of the operated eye
To check whether the biomechanics,which is scaled by the corvis ST is improved after surgery.
Time frame: 12 months after operation