Eye pressure changes after corneal cross linking in keratoconus, measured with Corvis CT
Measures eye pressure before and after corneal cross linking in people with keratoconus.
Key facts
- Who runs it
- Tanta University
- Trial code
- Registry title
- Measuring the Changes of the Intraocular Pressure After Corneal Cross Linking Using Corvis CT
- Status
- Not yet recruiting
- People taking part
- 1 person, planned
- Started
- 10 Jul 2026
- Expected to end
- 10 Feb 2027
- Type of study
- Interventional
- Treatments tested
- Corvis Machine
- Record updated
- 20 May 2026
Who can take part
AI summary
From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.
The trial is looking for people with mild keratoconus who will have corneal cross linking. It measures eye pressure before and after this treatment using a Corvis CT device.
- Age
- 19 to 35 years
- Sex
- All sexes can join
- Disease stage
- Mild keratoconus (a thinning and bulging of the clear front part of the eye)
- Earlier treatment
- People must be planned to have corneal cross linking.
Main reasons for not taking part
- Scarring of the cornea
- Past infections of the cornea
- Thinnest part of the cornea less than 400 µm thick
- History of uveitis (eye inflammation) or eye allergy
- Glaucoma before the trial
The registry criteria, word for word
Show all 6 criteriaShow less
Who can take part
- Patients who will corneal cross linking for mild degree of keratoconus, age between 19 and 35 years old
Who cannot take part
- Previous corneal infections
- History of uveitis or ocular allergy
- Corneal scarring
- Minimum corneal thickness at the thinnest location less than 400 µm
- Pre-existing glaucoma
Check if you might fit
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 19 and 35 years old?
About the trial
What the trial wants to find out
To evaluate the changes that occur in the intraocular pressure before and after corneal cross linking using Corvis CT.
The group in the trial
- Measuring the intraocular pressure after cross linkingOther group
Measuring the intraocular pressure by using different techniques after corneal cross linking
Treatment: Corvis Machine
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Contact the study team: see the registry record → Contacts and Locations
Print a page for my doctorData and sources
- Registry record
- Listed on ClinicalTrials.gov.
- Official title
- Measuring the Changes of the Intraocular Pressure After Corneal Cross Linking Using Corvis CT
- Plain-language title
- Eye pressure changes after corneal cross linking in keratoconus, measured with Corvis CTGenerated from the registry record. The registry title is the official one.
- AI summary
- From the trial's eligibility criteria. Read by machine on 15 November 2026.
- Fit questions
- Built from NCT07599020, who can take part
- Record updated
- 20 May 2026