The 30th annual meeting of the Cogan Ophthalmic History Society took place March 24-26, 2017, in Boston, Massachusetts, at the Massachusetts Eye and Ear Infirmary. The 2018 meeting will be held Friday, March 23-Sunday, March 25, in Tampa, Florida. For further information about the meeting or membership in the Cogan Society, contact the Society President, Pamela C. Sieving, at pamsieving@gmail.com.