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Updated: Jun 24, 2025

Inducement and Evaluation of a Murine Model of Experimental Myopia
Published on: January 22, 2019
Ryzumvi: pioneering advances in countering drug-induced mydriasis
Ayesha Azhar1, Rumaisa Riaz1, Afsheen Khan1
1Department of Internal Medicine, Dow University of Health Sciences, Karachi, Pakistan.
Abstract:
This article discusses the prevalence and impact of pharmacologically-induced mydriasis, a condition where the pupil becomes excessively dilated due to certain drugs. It highlights the challenges faced by medical professionals in dealing with this condition and the limitations of current treatments, like pilocarpine and dapiprazole, which come with systemic side effects and specific contraindications, limiting their regular use. The article introduces Ryzumvi, a novel ophthalmic solution approved by the US FDA, which effectively reverses mydriasis caused by adrenergic agonists and antimuscarinic drugs. The article provides insights into its mechanism of action, clinical efficacy, pharmacokinetics, safety, and tolerance based on extensive clinical trials. It emphasizes its rapid onset of action and effectiveness in restoring pupils to their initial size. It also underlines the potential for expanded applications, including in pediatric patients, solidifying its importance in the field of ophthalmology. Furthermore, Ryzumvi represents a promising advancement in managing pharmacologically-induced mydriasis, offering swift and effective relief while highlighting the importance of adhering to safety precautions and the continuous research and development efforts in ophthalmology to comprehensively address vision-related disorders and enhance patient outcomes.
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