Clinical trials: Anterior Segment of Eye
Age Related Cataracts, Pseudoexfoliation Syndrome
Outcome of Two Surgical Methods for IOLImplantation in Eyes With Pseudoexfoliation Syndrome
The aim of this study is to compare the surgical outcomes of the two IOL implantation methods for eyes with cataract and PEX in a single-center and with highly experienced surgeons.
- Trial name
- NCT06053554
- Testing
- Phakoemulsification, Ziemer Z8 Femtolaser, Kowa Avansee Preset
- Where
- Austria
- Volunteers
- 120 people
- Sponsor
- Medical University of Vienna
Anterior Uveitis
Safety and Efficacy Study of Iontophoretic Dexamethasone Phosphate Ophthalmic Solution to Treat Non-Infectious Anterior Segment Uveitis
The purpose of this study is to evaluate the safety and efficacy of ocular iontophoresis with dexamethasone phosphate ophthalmic solution EGP-437 using the EyeGate® II Drug Delivery System (EGDS) compared to prednisolone acetate…
- Trial name
- NCT01505088
- Testing
- 40 mg/mL Dexamethasone phosphate ophthalmic solution, Prednisolone Acetate (1%) Eyedrops, 100 mM sodium citrate buffer solution
- Where
- 39 sites in United States
- Volunteers
- 193 people
- Sponsor
- Eyegate Pharmaceuticals, Inc.
Fuchs' Endothelial Dystrophy
Supine Positioning for Graft Attachment After Descemet Membrane Endothelial Keratoplasty
This randomized controlled trial evaluates the efficacy and safety of postoperative supine head positioning on graft attachment after Descemet membrane endothelial keratoplasty in patients with Fuchs' endothelial corneal…
- Trial name
- SUPER-DMEK (NCT05399095)
- Testing
- Supine positioning: 5 days, Supine positioning: 1 days
- Where
- Germany
- Volunteers
- 90 people
- Sponsor
- University Eye Hospital, Freiburg
Lens Diseases
Evaluating Presbyopia-Correcting IOLs in Complex Cataract Cases With Anterior Segment Abnormalities
The goal of cataract surgery has evolved from simply restoring sight to providing clear and comfortable full-range vision. Traditionally, monofocal IOLs remain the routine choice for special cases with anterior segment…
- Trial name
- NCT07321756
- Testing
- Unilateral Posterior Chamber Implantation of Presbyopia-Correcting IOL, Unilateral Posterior Chamber Implantation of Monofocal IOL
- Where
- China
- Volunteers
- 320 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Keratoconus
Evaluation of Corneal Epithelial Mapping in Diagnosis of Early Keratoconus by Anterior Segment Optical Coherence Tomography
The cornea, as the outermost refractive structure of the eye, plays a critical role in maintaining clear vision. Its transparency and structural integrity are essential for optimal visual function.
- Trial name
- NCT06914973
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Assiut University
Open Angle Glaucoma, Narrow Angles
Comparison of Gonioscopy With Cirrus and Visante
The aim of this study is to analyze similarities and evaluate interchangeability of Visante and Cirrus OCT (optical coherent tomography)and to compare agreement between gonioscopy and the two systems for evaluation of anterior…
- Conditions
- Open Angle Glaucoma, Narrow Angles, Angle Closure Glaucoma
- Trial name
- ASOCT (NCT01895686)
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Wills Eye
Congenital Cataract
Iridocorneal Angle and Anterior Segment Structure in Eyes of Children With Cataract
The aim of this study is to evaluate the morphology of iridocorneal angle and anterior segment structure in children with cataract, and to explore potential preoperative structural clues for postoperative glaucoma.
- Trial name
- ACA (NCT03778086)
- Testing
- gonioscopy
- Volunteers
- 100 people
- Sponsor
- Wenzhou Medical University
Inflammation Eye
Evaluation of Inflammation of the Anterior Segment by Laser Flashmeter in Patients Having Undergone Surgery of the Posterior Segment (Vitrectomy or Preindentation) During the First Postoperative Year. (FLAVIC)
Observational study, monocentric, prospective, descriptive and comparative (eye operated vs fellow eye).
- Trial name
- FLAVIC (NCT03677700)
- Testing
- Laser Flare Meter
- Volunteers
- 100 people
- Sponsor
- Rennes University Hospital
Glaucoma, Glaucoma Following Surgery
Anterior-segment OCT (AS-OCT) and Intraoperative OCT (iOCT) for Trans- Conjunctival Needle Revision (TCNR)
Trabeculectomy is a very important and commonly performed glaucoma operation. It allows fluid from inside the eye to exit into a space called a bleb located on the surface of the eye under the upper eyelid.
- Trial name
- NCT05790408
- Testing
- Digital microscope integrated with intraoperative OCT (Zeiss Artevo 800, Carl Zeiss Meditec AG), Spectralis Anterior-segment OCT (AS-OCT) (Heidelberg Engineering)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Northwestern University
Anterior Segment Ischemia (Diagnosis)
Effects of Selenium and Melatonin on Ocular Ischemic Syndrome
ABSTRACT: PURPOSE: To determine the effects of selenium, melatonin and selenium + melatonin administered for one month on anterior chamber (AC ) malondialdehyde (MDA) and AC glutathione (GSH) levels in patients with Ocular…
- Trial name
- NCT04005222
- Testing
- SELENIUM, MELATONIN
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Beytepe Murat Erdi Eker State Hospital
Ocular Surface Tumors
Evaluation of Ocular Surface Tumors Using Anterior Segment Optical Coherence Tomography (OCT)
optical coherence tomography (OCT) can scan a range of ocular tissues and take high-resolution image sections during ophthalmic examination..
- Trial name
- NCT06808126
- Volunteers
- 58 people
- Sponsor
- Assiut University
Eye Manifestations, Tobacco; Use, Harmful
Effect of Smokeless Tobacco on Anterior Segment
Observational, comparative, cross-sectional study
- Conditions
- Eye Manifestations, Tobacco; Use, Harmful, Tobacco Chewing Toxicity
- Trial name
- NCT04776863
- Testing
- optical biometry measurement
- Where
- Turkey (Türkiye)
- Volunteers
- 107 people
- Sponsor
- Kahramanmaras Sutcu Imam University
Conjunctival Neoplasms
AS-OCT Guided Treatment of Diffuse CSCC
A prospective study was performed on 8 eyes of 8 patients who underwent amniotic membrane graft after diffuse conjunctival squamous cell neoplasia excision followed by topical mitomycin C 0.04% eye drop between March 2014 and…
- Trial name
- NCT03515954
- Testing
- Treatment of diffuse ocular surface squamous neoplasia
- Volunteers
- 15 people
- Sponsor
- Benha University
Neurotrophic Keratitis, Neurotrophic Keratopathy
Open-label Trial to Evaluate Efficacy and Safety of rhNGF on Corneal Thickness Via AS-OCT in Neurotrophic Keratitis
Primary Objective: To assess the efficacy of cenegermin-bkbj (20 mcg/mL) ophthalmic solution on overall corneal thickness via AS-OCT in patients with stage 3 neurotrophic keratitis with respect to change from baseline at weeks 4…
- Conditions
- Neurotrophic Keratitis, Neurotrophic Keratopathy, Corneal Ulcer
- Trial name
- IMAGO (NCT06411145)
- Testing
- OXERVATE® 0.002%
- Sponsor
- Dompé Farmaceutici S.p.A
Blepharitis, Conjunctivitis
Evaluation and Treatment of Patients With Corneal and External Diseases
This study offers evaluation and treatment for patients with certain corneal and external diseases of the eye (diseases of the surface of the eye and its surrounding structures).
- Conditions
- Blepharitis, Conjunctivitis, Corneal Disease, Dacryoadenitis
- Trial name
- NCT00008541
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- National Eye Institute (NEI)
Anterior Segment of Eye, Axial Length
Agreement of Two OCT Biometers: A Pilot Study
The purpose of this study is to compare the measurements obtained with two different biometers, UNITY Dx and Anterion. In eye care, a biometer is a device that uses laser technology to take highly precise measurements of the…
- Conditions
- Anterior Segment of Eye, Axial Length, Biometrics Measurement
- Trial name
- NCT07782619
- Testing
- UNITY DX, ANTERION
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Alcon Research
Angle Glaucoma Open
Incidence of Descemet Membrane Detachment Post GATT by AS OCT
detection of Incidence of Descemet membrane detachment post gonioscopy-assisted transluminal trabeculotomy by anterior segment optical coherence tomography in patients with open angle glaucoma.
- Trial name
- NCT05932940
- Testing
- Gonioscopy-Assisted Transluminal Trabeculotomy
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Cairo University
Healthy
A Pilot Study for the Evaluation of the Safety and Performance of a Combined OCT System
The novel Coaxial Optical Coherence Tomography (OCT) System is designed to visualize both structures of the retina and choroid. The purpose of this research is the safety and evaluation of a combined coaxial optical coherence…
- Trial name
- Hydra01 (NCT03419390)
- Testing
- combined Coaxial Optical Coherence Tomography (OCT) System
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
The Reliability of Corneal Topographic Measurements of Keratoconus Eyes
COMPARISON OF CORNEAL MEASUREMENTS IN NORMAL AND KERATOCONUS EYES USING ANTERIOR SEGMENT OPTICAL COHERENCE TOMOGRAPHY AND PENTACAM HR TOPOGRAPHER
The purpose of current study is to provide a comprehensive comparison of the reliability of corneal topographic measurements between Optovue AS- OCT and a combined Scheimpflug imaging using Wavelight Oculyzer Pentacam HR in…
- Trial name
- NCT04462991
- Testing
- corneal topography
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Fayoum University
Uveitis, Anterior
Safety and Efficacy Study of Iontophoresis and Dexamethasone Phosphate to Treat Anterior Uveitis
The purpose of this study is to define a safe and effective dose of iontophoretic delivery of dexamethasone phosphate ophthalmic solution using the EyeGate® II Drug Delivery System in patients with non-infectious anterior segment…
- Trial name
- NCT00694135
- Testing
- EGP-437 1.6 mA-min at 0.4 with EyeGate® II System, EGP-437 4.8 mA-min at 1.2 mA with EyeGate® II System, EGP-437 10.0 mA-min at 2.5 mA with EyeGate® II System
- Where
- 19 sites in United States, India
- Volunteers
- 40 people
- Sponsor
- Eyegate Pharmaceuticals, Inc.