Clinical trials: Corneal Parameters
Keratoconus, High Myopia
Anterior Segment and Corneal Parameters in Keratoconus and High Myopic Astigmatism Using Schiempflug Imaging
The purpose of this study was to compare Scheimpflug corneal tomography findings in keratoconus and high myopic astigmatic eyes, as well as to establish the parameters distinguishing keratoconus from high myopic astigmatism.
- Trial name
- NCT06739018
- Testing
- pentacam scheimpflug tomography
- Where
- 2 sites in Egypt
- Volunteers
- 66 people
- Sponsor
- Assiut University
Keratoconus
Objective and Subjective Diagnostic Parameters in the Fellow Eye of Unilateral Keratoconus
patients with keratoconus in one eye and forme fruste keratoconus in the fellow eye compared to normal subjects .the patients were examined by schemipflug imaging system (Pentacam)
- Trial name
- NCT03288116
- Testing
- Scheimplug imaging and contrast and sensitivity test
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Dar Al Shifa Hospital
Birth Year-dependent Eye Parameters Change
Analyzing the Changes in Eye Axis Length and Corneal Curvature in Central China
The Chinese lifestyle has undergone dramatic changes over the past century. In recent years, limited studies reported the changing trend in crucial eye parameters of people born in different decades.
- Trial name
- NCT06126302
- Testing
- Birth year
- Volunteers
- 60,000 people
- Sponsor
- Min Ke
Scansys, Pentacam, Keratoconus, Subclinical Keratoconus
Evolution of a Novel Optical Coherence Tomography Based Index in Diagnosing Keratoconus
Comparison of corneal topography based on oct OCT principle (CASIA2) with Pentacam and Scheimpflug-based biomechanical devices (Corvis ST) in screening and diagnosing keratoconus; and evaluation of the consistency with Pentacam…
- Trial name
- NCT06152484
- Testing
- Pentacam, Corvis ST and CASIA2
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Keratoconus
One-Year Outcomes After Conventional vs Accelerated Epi-Off Corneal Cross-Linking in Progressive Keratoconus (Observational Cohort)
Prospective, observational (consecutive eligible eyes) continuation of a previously published 6-month cohort from the same center, extending follow-up to 12 months.
- Trial name
- KCXL-1Y (NCT07194538)
- Where
- Croatia
- Volunteers
- 20 people
- Sponsor
- Clinical Hospital Centre Zagreb
Keratoconus, Corneal Ectasia
Corneal Tomographic Parameters in TGD
The current study involved analysis of the corneal tomographic parameters of patients with thyroid gland dysfunction (hyperthyroidism or hypothyroidism), including those with an autoimmune etiology, in comparison to healthy…
- Conditions
- Keratoconus, Corneal Ectasia, Thyroid Eye Disease
- Trial name
- NCT04433936
- Testing
- Pentacam tomography
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ameera Gamal Abdelhameed
Keratoconus, Artificial Intelligence, Support Vector Machine
Efficiency of an Algorithm Derived From Corneal Tomography Parameters to Distinguish Highly Susceptible Corneas to Ectasia From Healthy
The objective of this study was to identify and build an algorithm through an imaging process using a support vector machine (SVM) with the tomography variables of cases with, KC, highly susceptible corneas to ectasia (HSCE), and…
- Trial name
- NCT04313387
- Testing
- Corneal tomography multivariate index derived from a support vector machine (CTMVI).
- Volunteers
- 588 people
- Sponsor
- Gildasio Castello de Almeida Junior