Corneal topographic changes in young patients with chronic allergic eye disease

Document Type : Original Articles

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Mansoura Ophthalmic Center, Mansoura University

Abstract

Purpose: Evaluate the changes in corneal topography in patients with chronic eye allergy by using pentacam.
Patients and methods: This is a cross sectional case control study on 50 patients with chronic eye allergy and 50 normal individuals who were recruited over one year from March 2019 to February 2020. Each case was subjected to history taking, complete ophthalmic examination and corneal topography.
Results: Patients with chronic eye allergy have a statistically significant higher K max and elevation back. Complicated keratoconus cases have higher Kmax, Km and elevation back and lower thinnest point, ARTmax and corneal volume. No significant differences were found among groups as regards astigmatism power, thinnest location displacement and angle of anterior chamber. keratoconus (KC)in allergic patients was more associated with vernal keratoconjunctivitis (VKC), long duration of rubbing and systemic atopy.
Conclusion: Assessment of corneal topography by pentacam could be used in patients with chronic allergic eye disease for early diagnosis and management of keratoconus.

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