The Effect of Refractive Errors on Central Corneal Thickness by Using Pentacam and IOL Master

NCT06484894 | Not Yet Recruiting

• 1 other identifier: Central corneal thickness
• Study Type: observational
• Target: 50
• Locations: 0 countries
• Sites: N/A

Brief Summary

To evaluate the impact of refractive errors on the central corneal thickness obtained by Pentacam and intraocular lenses (IOL) master in eyes with different refractive errors.

Conditions

Central Corneal Thickness

Outcome Measures

Primary Outcomes (1)

• To find if there a correlation between refractive errors and the central corneal thickness

  Study the effect of refractive errors on central corneal thickness

  Baseline

Secondary Outcomes (1)

• To study if there a difference between measurement by pentacam and measurement of IOL master

  Baseline

Study Arms (3)

Hypermetrope

Effect of hypermetropia on central corneal thickness by using pentacam and IOL master

Device: Pentacam and IOL master

Emmetrope

Effect of emmetropia on central corneal thickness by using pentacam and IOL master

Device: Pentacam and IOL master

Myopia

Effect of myopia on central corneal thickness by using pentacam and IOL master

Device: Pentacam and IOL master

Interventions

Pentacam and IOL master DEVICE

Device used for measurement of central corneal thickness

Emmetrope; Hypermetrope; Myopia

Eligibility Criteria

• Age: 20 Years - 41 Years
• Sex: all
• Age Groups: Adult (18-64)
• Sampling Method: Non-Probability Sample

Study Population

1. Inclusion criteria: Subjects included in this study aged between20 and 41 asked for refractive surgery 2. Exclusion criteria:- * Severe corneal scarrig or opacification., dystrophy * Patients with history of recent contact lens Ocular trauma. * Uveitis patients Patients with keratoconus. * Previous ocular or refractive surgey

You may qualify if:

• Subjects included in this study aged between20 and 41 years, asked for refractive surgery

You may not qualify if:

• patients with corneal scarrig or opacification.
• Patients with corneal dystrophies.
• Patients with keratoconus.
• Previous ocular or refractive surgery.
• Ocular trauma.
• Uveitis patients.
• Patients with history of recent contact lens wear.

Sponsors & Collaborators

• Assiut University: lead

Related Publications (2)

• Wang Q, Liu W, Wu Y, Ma Y, Zhao G. Central corneal thickness and its relationship to ocular parameters in young adult myopic eyes. Clin Exp Optom. 2017 May;100(3):250-254. doi: 10.1111/cxo.12485. Epub 2016 Oct 18.

  PMID: 27757993 BACKGROUND

• Prasad A, Fry K, Hersh PS. Relationship of age and refraction to central corneal thickness. Cornea. 2011 May;30(5):553-5. doi: 10.1097/ICO.0b013e3181fb880c.

  PMID: 21107245 BACKGROUND

Study Officials

• Mahmoud Fathy rateb, Professor

  Assiut University

  STUDY DIRECTOR

• Ahmed Abd el Nasser awad, Lecturer

  Assiut University

  STUDY CHAIR

• Mohamed Tarek Abd el menaam, Professor

  Assiut University

  PRINCIPAL INVESTIGATOR

Central Study Contacts

Haidy Nayer Adly, Master

CONTACT

01277603313; Haidynayer4@gmail.com

Study Design

• Study Type: observational
• Observational Model: COHORT
• Time Perspective: PROSPECTIVE
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Resident doctor

Study Record Dates

• First Submitted: June 26, 2024
• First Posted: July 3, 2024
• Study Start: July 15, 2024
• Primary Completion: July 1, 2025
• Study Completion: August 1, 2025
• Last Updated: July 3, 2024

Record last verified: 2024-06