Base Curves of Bandage Contact Lenses and Their Effects on Post Trans-PRK Vision and Pain

NARecruitingINTERVENTIONAL
Enrollment

36

Participants

Timeline

Start Date

June 18, 2024

Primary Completion Date

December 31, 2025

Study Completion Date

December 31, 2025

Conditions
Myopia
Interventions
PROCEDURE

single-step Trans-PRK

Both eyes were treated consecutively in each patient by single-step Trans-PRK performed by SCHWIND Amaris 500 S excimer laser platform (SCHWIND eye-tech-solutions GmbH, Kleinostheim, Germany). Topical Proparacaine Hydrochloride Eye Drops 0.5% (Alcaine, Alcon, Fort Worth, TX, USA) were used to anesthetize the eyes, and use povidone-iodine to disinfect the eyelid skin. After a lid speculum had been inserted, and the other eye was blocked. Epithelial and stromal ablations were performed using a single continuous laser shooting session on an excimer laser platform. After the appeals step, Mitomycin C 0.02 % was applied to the stromal surface for 20 s, then rinse with cold salt water.

BEHAVIORAL

Placing a bandage contact lens on the cornea, with an 8.4-mm base curve in right eye and one with an 8.8-mm base curve in the left eye.

After surgery. A contact lens placed on the cornea, with an 8.4-mm base curve in right eye and one with an 8.8-mm base curve in the left eye.

BEHAVIORAL

Placing a bandage contact lens on the cornea,A contact lens placed on the cornea, with an 8.8-mm base curve in right eye and one with an 8.4-mm base curve in the left eye.

After surgery. A contact lens placed on the cornea, with an 8.8-mm base curve in right eye and one with an 8.4-mm base curve in the left eye.

Trial Locations (1)

322100

RECRUITING

Dongyang People's Hospital, Dongyang

All Listed Sponsors
lead

Dongyang People's Hospital

OTHER