Challenge the Pain

Approximately 14 million patients in the US^1,2 suffer from Chronic Ocular Surface Pain (COSP), a debilitating disease that can be diagnosed by asking your patients the right questions and administering an anesthetic drop challenge³. Follow this channel to learn more about COSP, how to confidently diagnose COSP during routine eye exams, how COSP impacts your patients' quality of life and how you can help them feel better.

Videos From CHRONIC OCULAR SURFACE PAIN (COSP)

What is Chronic Ocular Surface Pain?

William F. Wiley, MD; and Jacqueline Theis, OD, FAAO, FNAP

Patient Reported Symptoms of Chronic Ocular Surface Pain

William F. Wiley, MD; and Jacqueline Theis, OD, FAAO, FNAP

How is COSP Diagnosed?

Marc R. Bloomenstein, OD, FAAO; and Laura M. Periman, MD

COSP Comanagement and Making COSP Part of Every Eye Exam

Marc R. Bloomenstein, OD, FAAO; and Laura M. Periman, MD

About CHRONIC OCULAR SURFACE PAIN (COSP)

Many eye care patients may have Chronic Ocular Surface Pain (COSP), defined as a feeling of pain originating from the ocular surface that persists for more than three months⁴. COSP is often overlooked or misdiagnosed. It’s important to learn how to diagnose COSP in your practice.

1. Farrand KF, Fridman M, Stillman IÖ, Schaumberg DA. Prevalence of Diagnosed Dry Eye Disease in the United States Among Adults Aged 18 Years and Older. Am J Ophthalmol. 2017;182:90-98. doi:10.1016/j.ajo.2017.06.033

2. Kalangara JP, Galor A, Levitt RC, et al. Characteristics of Ocular Pain Complaints in Patients With Idiopathic Dry Eye Symptoms. Eye Contact Lens. 2017;43(3):192-198. doi:10.1097/ICL.0000000000000249

3. Crane AM, Feuer W, Felix ER, et al. Evidence of central sensitisation in those with dry eye symptoms and neuropathic-like ocular pain complaints: incomplete response to topical anaesthesia and generalised heightened sensitivity to evoked pain. Br J Ophthalmol. 2017;101:1238-43.

4. Galor A, Hamrah P, Haque S, Attal N, Labetoulle M. Understanding chronic ocular surface pain: An unmet need for targeted drug therapy. Ocul Surf. 2022 Oct;26:148-156. doi: 10.1016/j.jtos.2022.08.005.