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

Figure 1

(a) Relationship between max ablation depth and pain on the first day post photorefractive keratectomy (PRK). (b) Relationship between refractive error and pain on the first day post photorefractive keratectomy (PRK).

(a)

(b)