In the evaluation of ED patients, it may be important to understand the effect on pupil size from the ophthalmic medications they use. Here is a summary chart of common eye drops and their effect on pupil size.

References
- Drug Facts and Comparisons. Facts & Comparisons [database online]. St. Louis, MO: Wolters Kluwer Health, Inc. Accessed September 8, 2015.
- Hendere JD, Rapuano CJ. Chapter 64. Ocular Pharmacology. In: Brunton LL, Chabner BA, Knollman BC. eds. Goodman & Gilman's The Pharmacological Basis of Therapeutics, 12. New York, NY: McGraw-Hill;2011. http://accessmedicine.mhmedical.com.ezp.welch.jhmi.edu/content.aspx?bookid=374&Sectionid=41266277. Accessed September 8, 2015.
- Novitskaya ES, et al. Effects of some ophthalmic medications on pupil size: a literature review. Can J Ophthalmol 2009;44:193-7. [PMID 19491955]
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