Tahlequah, OK, United States
Dr. Richard E. Castillo, OD, DO, FASOS
Dr. Richard E. Castillo, OD, DO, is the Senior Director for Clinical Examination Development and Administration at the National Board of Examiners in Optometry. He has been a practicing Ophthalmologist, professor, and assistant Dean at Northeastern State University’s College of Optometry since 1997. He is the 2021 recipient of the Arkansas Optometric Association's Special Service Award for "Outstanding Service to the Association and Profession," a past recipient of the Oklahoma Association of Optometric Physician's Distinguished Service Award (2017), has been honored as the first "ophthalmologist" to be named "Distinguished Friend" of the Illinois College of Optometry (2019), and has been acknowledged by the Oklahoma State Board of Examiners in Optometry for outstanding contributions to the advancement of optometric care (2016). Dr. Castillo is the recipient of a Special Citation from the Oklahoma House of Representatives for his Contributions to the Advancement of Rural Surgical Eyecare in the State of Oklahoma (2015). Rich serves as the ophthalmology rotation supervisor for OSU medical students and Family Medicine residents in Tahlequah, OK. He maintains a highly active national CME lecture schedule.
182 - Cryosurgery for the Optometric Physician - PART I: Theory & Mechanics
Friday, February 27, 2026
11:00 AM - 12:00 PM EDT
Disclosure(s): No financial relationships to disclose
183 - Cryosurgery for the Optometric Physician - PART II: Application & Technique
Friday, February 27, 2026
3:00 PM - 4:00 PM EDT
Disclosure(s): No financial relationships to disclose
180 - Interpreting the Biopsy Report - PART 1: Foundations for the Practicing Optometrist
Saturday, February 28, 2026
11:00 AM - 12:00 PM EDT
Disclosure(s): No financial relationships to disclose
179 - Emergent Canthotomy and Cantholysis (demo; no pre-registration required)
Saturday, February 28, 2026
1:30 PM - 1:50 PM EDT
Disclosure(s): No financial relationships to disclose
Saturday, February 28, 2026
3:00 PM - 4:00 PM EDT
Disclosure(s): No financial relationships to disclose