Validity and Reliability of a Novel Ocular Pain Assessment Survey (OPAS) in Quantifying and Monitoring Corneal and Ocular Surface Pain
Qazi, Yureeda, Shelley Hurwitz, Sarosh Khan, Ula Jurkunas, Reza Dana, and Pedram Hamrah. 2016. “Validity and Reliability of a Novel Ocular Pain Assessment Survey (OPAS) in Quantifying and Monitoring Corneal and Ocular Surface Pain”. Ophthalmology 123 (7): 1458-68.