This is a prospective, randomized (Reading Center), masked, controlled study in up to 45 subjects who have undergone bilateral PRK with epithelial removal using alcohol in a 9.0 mm well or trephine at the time of surgery to ensure consistency of the size of the ablation area.

This is a prospective, randomized (Reading Center), masked, controlled study in up to 45 subjects who have undergone bilateral PRK with epithelial removal using alcohol in a 9.0 mm well or trephine at the time of surgery to ensure consistency of the size of the ablation area. Subjects will be assigned to one of three treatment arms on Day 0.

Inclusion Criteria:

• Able and willing to comply with the protocol

Exclusion Criteria:

-

Used a masked reading center to review the corneal defect staining.