NCT04748198

Effect of Intracorneal Ring Segments on Posterior Corneal Tomography in Eyes With Keratoconus

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 60 (actual)
• Sponsor: Ain Shams University · Academic / Other
• Sex: All
• Age: 18 Years – 40 Years
• Healthy volunteers: Not accepted

Summary

Our purpose is to analyze the changes induced in the posterior corneal surface in patients implanted with intracorneal ring segments for treatment of keratoconus. Patients are assessed with corneal imaging device preoperatively and at 1, 3, 6 and 12 months postoperatively.

Detailed description

Procedure: Femtosecond laser assisted implantation of intracorneal ring segments in keratoconus patients Uncorrected visual acuity (UCVA), best corrected visual acuity (BCVA), refraction, keratometric (K) readings of the anterior and posterior surface, corneal asphericity (Q value) of the anterior and posterior surface, and anterior and posterior elevations are evaluated using a corneal imaging device preoperatively and at 1, 3, 6 and 12 months after surgery.

Conditions

• Keratoconus
• Keratoconus Posterior

Interventions

Type	Name	Description
PROCEDURE	Intracorneal ring segment implantation	Surgical procedure for keratoconus treatment. A tunnel is created in the corneal stroma with femtosecond laser and ring segments are implanted in the corneal stroma

Timeline

• Start date: 2018-06-10
• Primary completion: 2020-06-15
• Completion: 2020-06-15
• First posted: 2021-02-10
• Last updated: 2021-02-10

Locations

1 site across 1 country: Egypt