Clinical trials: Corneal Topography
Keratoconus
A Clinical Study of Keratoconus in Asian Patients and Assessment of Different Topographic Patterns of Keratoconus in Asian Patients
A clinical study of keratoconus in Asian Patients and assessment of different topographic patterns of keratoconus in Asian patients
- Trial name
- NCT00347074
- Where
- Singapore
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Cornea
Assessment of Corneal Topography and Densitometry in Rheumatoid Patients
Corneal transparency is a result of its unique ultrastructure with collagen fibrils regularity, integrity of connective tissue, and balanced keratocyte components.
- Trial name
- NCT06759207
- Where
- 2 sites in Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Sohag University
Keratoconjunctivitis
Corneal Topography in Vernal Keratoconjunctivitis
To evaluate the corneal topographic changes in VKC patients using Pentacam and prevalence of KC development in VKC.
- Trial name
- NCT06746467
- Testing
- pentacam
- Where
- Egypt
- Volunteers
- 44 people
- Sponsor
- Assiut University
Keratoconus
Astigmatic Vector Analysis of Posterior Cornea - a Comparison Among Healthy, Forme Fruste and Overt Keratoconus Corneas
The main purpose of this study is to determine new diagnostic criteria for an eye disease called keratoconus.
- Trial name
- NCT02698709
- Testing
- Analysis of anterior and posterior corneal surfaces
- Where
- Brazil
- Volunteers
- 698 people
- Sponsor
- University of Sao Paulo
Keratoconus, Stable
Evaluation of Morphology Abnormal Cornea Stability With Corneal Biomechanical
To evaluate the corneal biomechanical properties of stable eyes with abnormal morphology, and introduce a biomechanical stable index to evaluate the stability of the eyes with abnormal morphology at the first diagnosis.
- Trial name
- NCT05748002
- Testing
- Pentacam and Corvis ST
- Where
- China
- Volunteers
- 315 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Corneal Topography
Comparison Between Bare Scleral Technique and Conjunctival Auto-graft on Corneal Topography After Pterygium Surgery
Aim of the work: To study the corneal topographic pattern changes in patients who have pterygium excision by two surgical techniques (bare sclera, conjunctival autograft).
- Trial name
- NCT05812508
- Testing
- corneal topography
- Volunteers
- 30 people
- Sponsor
- Sohag University
Keratoconus, Keratoconus, Unspecified, Bilateral
Evaluation of Tomographic and Genetic Aspects of Keratoconus Patients Compared to Sounds Corneas
Evaluation of tomographic (Pentacam) parameters and genetic parameters of Visual System Homeobox 1 (VSX1), Superoxide Dismutase (SOD1), Tissue Inhibitors of Metalloproteinases (TIMP3) genes of keratoconus patients diagnosed by…
- Trial name
- NCT03071302
- Testing
- EVALUATION OF VSX1, SOD1, and TIMP3 genes
- Where
- Brazil
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Sao Jose do Rio Preto Medical School
Keratoconus, Eye Diseases
Development of a Keratoconus Detection Algorithm by Deep Learning Analysis and Its Validation on Eyestar Images
Monocentric clinical study to develop an imaging analysis algorithm for the Eyestar 900 to identify keratoconus corneas and improve biometry for intraocular lens calculations
- Conditions
- Keratoconus, Eye Diseases, Cataract, Corneal Ectasia
- Trial name
- DKDA (NCT04763785)
- Testing
- Corneal tomography with Eyestar 900, Corneal tomography with Pentacam, Biometry with IOL-Master
- Where
- Switzerland
- Volunteers
- 4,800 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Keratoconus, Keratoconus, Artificial Intelligence, Support Vector Machine
Predicting Manifest Astigmatism in Keratoconus Patients.
The cornea of the human eye has several functions. It is transparent to allow light into the eye and its shape focuses the incoming light onto the retina.
- Trial name
- NCT06798779
- Testing
- Glasses, Corneal topography
- Where
- United Kingdom
- Volunteers
- 800 people
- Sponsor
- Royal Devon and Exeter NHS Foundation Trust