The Association between Preoperative Dry Eye Symptoms and Postoperative Discomfort in Patients Underwent Photorefractive Keratectomy

Figure 3

Relationship between preoperative dry eye symptoms to postoperative discomfort on the first day post photorefractive keratectomy (PRK). (a) Relationship between preoperative symptom of dry eye and postoperative discomfort. (b) Relationship between preoperative tearing and postoperative discomfort. (c) Relationship between preoperative eye itching and postoperative discomfort. (d) Relationship between preoperative eye fatigue and postoperative discomfort.

(a)

(b)

(c)

(d)