Dr.Niranjan R

Dr.Srinivasa K. H., Dr.Anoop L

Abstract

Study design – Observational cross-sectional study Objectives – To correlate the degree of astigmatism in patients with
pterygium to the size and to compare degree of astigmatism measured by
autorefractometer and pentacam.
Methods – History taken and slit lamp examination
of involved eye done. A standard photograph of the patient's eye taken and
the pterygium dimensions including length, height and corneal area encroached in
millimetre calculated using image J software program.
Corneal astigmatism in diopters and keratometry readings measured with autorefractometer and pentacam.
Results – The pterygium length, height and area
induced statistically significant corneal astigmatism.
Conclusion – The length, height and area of pterygium showed significant correlation
with pterygium induced corneal astigmatism, measured by AR and
pentacam. The pterygium length and area are more strongly correlated to corneal astigmatism than the pterygium height.