EFFECT OF PTERYGIUM EXCISION ON PTERYGIUM INDUCED REFRACTIVE CHANGES
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2016, Vol 5, Issue 26
Abstract
BACKGROUND Pterygium most often refers to a benign growth of the conjunctiva. A pterygium is a triangular fibrovascular subepithelial ingrowth of degenerative bulbar conjunctival tissue over the limbus onto the cornea. It commonly grows from the nasal side of the sclera. Vision may be reduced due to astigmatism induced by the pterygium or due to direct invasion of the visual axis. This abnormality has been measured by keratometry. METHODS The prospective study entitled “Effect of pterygium excision on pterygium induced refractive changes” was conducted on 50 eyes on 50 patients of primary pterygium attending the Outpatient Department of Ophthalmology, NSCB Medical College and Hospital, Jabalpur from January 2015 to December 2015. The inclusion criteria were patients with primary pterygium with ≥2D WTR astigmatism as measured by manual keratometry. In the present study an attempt was made to assess the effect of pterygium excision on the induced astigmatism and the relationship between the size of pterygium and the amount of astigmatism. Preoperative and postoperative values were compared using the paired t-test. RESULTS The astigmatism decreased significantly following Pterygium excision. The mean preoperative refractive cylinder decreased from 3.12D±2.02 to 1.43D±1.24 postoperatively (p≤0.001) depending on grade of pterygium. CONCLUSION There was statistically significant correlation between grade of pterygium and induced astigmatism (p-value ≤0.001). The present study verifies the fact that amount of pterygium induced astigmatism is directly proportional to increase in the size of pterygium.
Authors and Affiliations
Deepankar , Bahubali
Keywords
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- EP ID EP154376
- DOI 10.14260/jemds/2016/324
- Views 75
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