Treatment of post-burn persistent corneal ulcers with excimer laser phototherapeutic keratectomy. Prospective clinical trial.

Purpose: To evaluate efficacy of excimer laser phototherapeutic keratectomy (PTK) i n treatment of patients with post-burn persistent corneal ulcers.

Material And Methods: Study design--nonrandomized trial with a "historic" control group. 54 eyes (53 patient) with central superficial post-burn corneal ulcers that were formed in different time frame (18-104 days) after grade IV burns were included into the study.

Healing of alkali burned rabbit corneas with persistent superficial ulceration after excimer laser phototherapeutic keratectomy. Clinical and electron microscopic findings.

Purpose: To evaluate epithelial and stromal healing of kakali-bumed rabbit corneas with persistent superficial ulceration after phototherapeutic keratectomy (PTK).

Material And Methods: 36 rabbits (36 eyes), with superficial corneal ulcers, which were formed after 10% NaOH corneal burn, were used. PTK was performed on the 18th day after the burn in 18 rabbits.