A 27-year-old female reports that she scratched her cornea while taking out her contacts last night. She is wearing sunglasses because the light bothers her eyes. Her right eye is red and tearing, and she rates her pain as 6/10. Vital signs are within normal limits. What is the most likely diagnosis?
1) Conjunctivitis
2) Corneal abrasion
3) Foreign body
4) Uveitis