Clinical trials: Cornea
Healthy Individuals, Diabetes
Heidelberg In Vivo Confocal Microscopy to Evaluate the Ocular Surface Disorders of Healthy and Diseased Individuals
In vivo confocal microscopy (IVCM) has been used in clinical settings for more than 25 years, and is noninvasive, rapid and easily repeatable technique to investigate ocular surface disorders.
- Conditions
- Healthy Individuals, Diabetes, Hypertension, Fabry Disease
- Trial name
- NCT04025801
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Cornea
Influence of Silicone Hydrogel Extended Contact Lens Wear on Corneal Sensitivity
Soft contact lens wear reduces the amount of oxygen reaching the eye, which may have an influence on corneal sensitivity. The aim of this study is to measure corneal sensitivity with means of liquid jet esthesiometry at baseline…
- Trial name
- NCT05298917
- Testing
- silicone hydrogel contact lens
- Where
- Switzerland
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Daniela Nosch
Dry Eye Disease, Keratoconjunctivitis Sicca
Multicenter, Randomized, Controlled Study of the Effect of Lotemax on Initiation of Dry Eye Treatment With Restasis
To evaluate the impact of Lotemax on the initiation of Restasis therapy in patients with dry eye. It is hypothesized that the anti-inflammatory activity of Lotemax may help mitigate the stinging with cyclosporine administration…
- Trial name
- NCT00407043
- Testing
- Lotemax, Restasis
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Ophthalmic Consultants of Long Island
Keratitis
Reliability of Pachymetry Measurement With FD-oCT, ORA, Confoscan 4 and Ultrasound
The purpose of this study is to assess the repeatability, reproducibility, and agreement of central corneal thickness measured by Fourier Domain Optical Coherence tomography (FD-OCT, OptoVue, USA) with anterior corneal module…
- Trial name
- NCT00838422
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Retinitis Pigmentosa, Maculopathy, Age Related
High Resolution, High-speed Multimodal Ophthalmic Imaging
Knowledge of the pathogenesis of ocular conditions, a leading cause of blindness, has benefited greatly from recent advances in ophthalmic imaging.
- Conditions
- Retinitis Pigmentosa, Maculopathy, Age Related, Macular Dystrophy, Macular Edema
- Trial name
- IMA-MODE (NCT04129021)
- Testing
- High-resolution retinal imaging through adaptive optics, High-resolution retinal imaging through holographic systems
- Where
- France
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Corneal Perforation, Corneal Stromal Lenticule,Sandwich Technique
A Novel Sandwich Technique of Minimally Invasive Keratoplasty for Corneal Perforation
The goal of this type of study to describe a new sandwich technique of minimally invasive keratoplasty (STMIK) by using SMILE-extracted lenticules for treatment corneal perforation and effectiveness.
- Trial name
- STMIK (NCT06233409)
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Systemic Lupus Erythematosus
AS-OCT Study of Cornea and Tear Film Parameters in SLE Patients
The aim of thie study to assess tear film parameters such as tear meniscus height (TMH), tear meniscus area (TMA), and tear meniscus depth (TMD).
- Trial name
- NCT04873739
- Testing
- Anterior Segment OCT
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Minia University
Keratoconus, Corneal Ectasia
Transepithelial (Epi-on) Corneal Collagen Crosslinking to Treat Keratoconus and Corneal Ectasia
Corneal collagen crosslinking (CXL) has been demonstrated as an effective method of reducing progression of both keratoconus and corneal ectasia after surgery, as well as possibly decreasing the steepness of the cornea in these…
- Trial name
- NCT04905108
- Testing
- Riboflavin
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Cornea and Laser Eye Institute
Corneal Opacity
Comparison of Ultrasonic Pachymetry With Orbscan in Corneal Haze
This study is planned to compare the results of ultrasonic and Orbscan pachymetry in corneal haze not related to surgery. Corneal haze is graded with slit-lamp by a single examiner.
- Trial name
- NCT00439114
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Baskent University
Trachoma
Smartphone App for Taking Images of Conjunctivae
Trachomatous inflammation-follicular (TF) is diagnosed by looking for clinical signs of infection of everted eyelids (conjunctivae) of children.
- Trial name
- NCT03997487
- Testing
- TOFTEE
- Where
- Tanzania
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Acanthamoeba Keratitis
Safety and Tolerability of Preservative-free Polyhexamethylene Biguanide (PHMB) Ophthalmic Solution in Healthy Subjects
Randomized, double-masked, placebo-controlled, multiple center, parallel-group Phase 1 study to evaluate the safety and tolerability of 3 doses of preservative-free PHMB ophthalmic solution compared to placebo in healthy subjects
- Trial name
- NCT02506257
- Testing
- 0.04% PHMB, 0.06% PHMB, 0.08% PHMB
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- SIFI SpA
Limbal Stem-cell Deficiency
Multiple Noninvasive Examination Modality to Evaluate the Severity of Ocular Surface Disorders
Here the investigators proposed this study to collect cases of different etiologies of ocular surface diseases. With at least one of these four non-invasive examination modalities, the investigators aim to analyze and compare the…
- Trial name
- NCT03594370
- Where
- Taiwan
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Fuch's Dystrophy, Corneal Disorders
Novel Diagnostics With Optical Coherence Tomography: Imaging the Anterior Eye
The purpose of this research is to evaluate the optical coherence tomography (OCT), to image diseases of the eye. OCT may be useful for the early diagnosis and monitoring of a variety of diseases involving the eye, such as Fuch's…
- Conditions
- Fuch's Dystrophy, Corneal Disorders, Prior Surgery
- Trial name
- NCT00343473
- Where
- 2 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Normal Subject, Glaucoma
Assessment of an Automated Optical Coherence Tomography and Camera : Effectiveness of Vision-700
The objective of study is to assess the repeatability and agreement of the retina and cornea measurement by Vision-700 in comparison with those by 3D OCT-1.
- Conditions
- Normal Subject, Glaucoma, Retinal Disease, Cornea
- Trial name
- NCT06496763
- Testing
- Vision-700
- Where
- Taiwan
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Crystalvue Medical Coporation
Primary Sjögren's Syndrome, Xerostomia
Effect of B-cell Depletion in Patients With Primary Sjögren's Syndrome
The primary purpose of the study is to determine whether B-cell depletion with Rituximab has an effect on the oral, ocular and general disease manifestations in patients with primary Sjögren´s syndrome, that is, an effect on the…
- Conditions
- Primary Sjögren's Syndrome, Xerostomia, Hyposalivation, Keratoconjunctivitis Sicca
- Trial name
- NCT00426543
- Testing
- MabThera (rituximab), Rituximab, Mabthera
- Where
- Denmark
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Keratoconjunctivitis Sicca
Goblet Cell Response and Dry Eye Symptoms After PRK and LASIK
Purpose: To develop a screening metric by examining both the characteristics of the preoperative tear film and the intracellular signaling pathways of conjunctival goblet cells in order to determine if there are certain…
- Trial name
- NCT00411827
- Testing
- PRK with conjunctival impression cytology before and after surgery, LASIK with conjunctival impression cytology before and after surgery
- Where
- United States
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Walter Reed National Military Medical Center
Rare Diseases, Aniridia
Validation of Human Drugs Target of Repurposed Drugs and Novel Therapies
The cross-sectional observational clinical study related to rare eye diseases is a multi-center study in which the hypothesis is that neurokinin 1 receptor and/or substance P expression is increased in REDs associated with…
- Conditions
- Rare Diseases, Aniridia, Neurotrophic Keratopathy, Limbal Stem Cell Deficiency
- Trial name
- NCT06412718
- Volunteers
- 274 people, healthy volunteers welcome
- Sponsor
- IRCCS Ospedale San Raffaele
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
Corneal Neovascularization
Effectiveness and Safety of Topical Bevacizumab (Avastin) for Treatment of Corneal Neovascularization
Purpose: To determine the efficacy and safety of one commonly used VEGF inhibitor, bevacizumab (Avastin, Genentech), as a topical agent for the treatment of corneal neovascularization.
- Trial name
- NCT00512876
- Testing
- Bevacizumab (Avastin)
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Walter Reed Army Medical Center
Corneal Neovascularization
The Effect of Bevacizumab on Corneal Neovascularization
Eight patients with corneal neovascularization were treated with subconjunctival injection of 1.25 mg bevacizumab and had a follow-up of at least 2 months.
- Trial name
- BQ-1-08-ARVO (NCT00797303)
- Testing
- Bevacizumab
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Instituto de Olhos de Goiania