Intra-corneal rings implantation for correcting high cylinder errors in non ectatic corneas
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
50
intra corneal segments implantation
Elshimaa A.Mateen
Sohag, Egypt
RECRUITINGChange of (1)visual acuity in log mar (2) keratometry readings in diopter 1) refraction. 2)High order aberrations
Using: (1) auto-refractometer (2) pentacam to assess keratometry changes.
Time frame: six months
changes of corneal parameters (K1.K2,K max) in diopter
Comparing pentacam readings pre and post operative.
Time frame: six months
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