U.S., Nov. 8 -- ClinicalTrials.gov registry received information related to the study (NCT06656260) titled 'Validation of Ocular Pain Questionnaire: Single-center, Prospective Observational Study' on July 30.

Brief Summary: This study will be a single-center, observational, prospective validation study with survey and sample characteristics comparable to similar validation studies in the literature.

Pain represents a physiological response to the presence of tissue damage and is associated with numerous pathological conditions of the ocular surface.

Furthermore, in the presence of dysfunction of the nociceptive system, ocular pain can occur chronically with neuropathic features.

Pain quantification systems used to guide symptomatic ther...