FOUR YEARS FOLLOW UP OF STABLE ULTRATHIN NON ECTATIC CORNEA: A CASE REPORT

Document Type : Case reports: all new cases, rare cases, interesting cases can be reported.

Authors

1 Ophthalmology dept., Faculty of Medicine, Tanta, Univ., Egypt.

2 Consultant of refractive surgery, I Care Center, Cairo, Egypt.

3 Ophthalmology dept., Faculty of Medicine, Sohag, Univ., Egypt.

Abstract

In this report, we presented a 33-year-old male patient complained of decrease vision of both
eyes due to bilateral refractive error. The uncorrected visual acuity (UCVA) in the right eye was
0.06 with best corrected visual acuity (BCVA) to 1 (in decimal) by a refraction of -2.50Ds -2.75Dc
x15, while the UCVA in the left eye was 0.05 with best corrected visual acuity (BCVA) to 0.8 by
a refraction of -4.75 Ds -2.50Dc x64. Corneal tomographic analysis was done for both eyes by
Orbscan and showed normal corneal tomography with symmetrical bowtie but the thinnest pachymetry was very low. Both Orbscan examination and Scheimpflug based Oculus tomography
were performed as a follow up for 4 years duration and the results show stable parameters.
Evaluation of corneal biomechanical properties was done after one year using corneal visualization Scheimpflug technology (CST) with suspicious results which mainly explained by this
extremely low corneal pachymetry with the same stable results after 3 years duration of follow up.


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