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Updated: Jul 29, 2026

Three Different Protocols of Corneal Collagen Crosslinking in Keratoconus: Conventional, Accelerated and Iontophoresis
Published on: November 12, 2015
Modern approach to managing vernal keratoconjunctivitis
Sunil Kumar1, Nitin Gupta, Anthony J Vivian
1Toronto Western Hospital, 5th Floor West Wing, 339 Bathurst Street, Toronto, Ontario, M5T 2S8, Canada. sunkaru79@hotmail.com
Abstract:
Vernal keratoconjunctivitis (VKC), an allergic inflammation of the conjunctiva affecting mainly children and adolescents, is categorized under the rubric of allergic conjunctivitis. Lack of uniform diagnostic and predefined staging criteria has been a bottleneck in formulating fixed guidelines to treat VKC. This lack of consensus among clinicians/researchers regarding diagnostic and grading standards has prevented us from making comparisons between the outcomes of different studies. To treat VKC, selection of a drug from many available options should be based on the duration and frequency of symptoms, grade and inflammation of giant papillae, and severity of corneal involvement. Consideration also should be given to the patient's specific needs. The basic tenet of treatment is optimal control of symptoms with a minimum of toxic side effects resulting from prolonged use of medication.
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