Clinical Outcomes of Two Symmetrical Kera-rings Implantation in Grade Three Keratoconus

Sohag University23 enrolled

Overview

a retrospective non- randomized controlled clinical study. The study included twenty-three grade 3 keratoconic eyes of twenty-three patients, the keratoconus staging was based on Amsler-Krumeich classification The ICRS surgery was performed with the patient under topical anesthesia. A tunnel channel was created by femtosecond laser using a 60-kHz infrared neodymium glass femtosecond laser at a wavelength of 1053 nm (Abbott Laboratories Inc., Abbott Park, Illinois, USA). Two symmetrical kerarings (Mediphacos Inc., Belo Horizonte, Brazil), were implanted in all cases with 160° arc and 0.25, 0.30 mm according to corneal thickness in implantation site. After surgery, the patients had a full ocular evaluation on days 1, 7, and 14, and again after a month. For a period of 1-year, corneal topography readings were taken quarterly.

Study Type

INTERVENTIONAL

Allocation

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Cornea Ectasia

Interventions

Intracorneal ringsDEVICE

The (ICRS), intracorneal rings segments implantation surgery

Eligibility

Sex: ALLMin age: 18 YearsMax age: 35 Years

Medical Language ↔ Plain English

Inclusion Criteria: * stable keratoconus. * corneal cross-linking performed at least 6 months. * contact lens intolerance * minimum corneal thickness of 350 μm at the thinnest point (TP) * mean keratometry (K mean) value less than 59 D Exclusion Criteria: * any other associated ocular or systemic pathology could affect the vision.

Locations (1)

Elshimaa A.Mateen

Sohag, Egypt

Outcomes

Primary Outcomes

K1 and K2 post-operative by Pentacam

Flat and Steep K in Diopter post ring implantation

Time frame: one year

Data from ClinicalTrials.gov

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