Clinical trials: Opacity
Posterior Capsule Opacification
Quantification of Posterior Capsule Opacification in Pediatric Cataract
The purpose of this study is to quantify the opacity of posterior capsule in pediatric cataract comparing two intraocular lens materials.
- Trial name
- Cataract (NCT02968290)
- Testing
- Cataract Surgery, Alcon AcrySof SA60AT, Bausch Lomb AkreosA
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- University of Sao Paulo
Corneal Opacity
Characteristics of Trachomatous Corneal Opacity in Fayoum University Hospital
The purpose of this study is to assess the characteristics of trachomatous corneal opacity in patients with signs of trachoma using Anterior segment Optic coherence tomography and Pentacam
- Trial name
- Trachoma (NCT06000150)
- Testing
- Corneal topography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Omar Said
Lung Ground-Glass Opacity
The Efficacy and Safety of TBCB vs TBFB in Diagnosis of GGO
The aim of this study is to investigate the difference of efficacy and safety between transbronchial cryobiopsy (TBCB) and transbronchial forceps biopsy (TBFB) in the diagnosis of lung ground-glass opacity.
- Trial name
- NCT04727190
- Testing
- Transbronchial Cryobiopsy, Transbronchial Forceps Biopsy
- Where
- China
- Volunteers
- 184 people
- Sponsor
- Shanghai Chest Hospital
Corneal Opacity, Keratitis, Herpetic
Topical Anesthesia for Closed PKP vs Retrobulbar Anesthesia for Open-sky PKP
Penetrating keratoplasty (PKP) is an open-sky surgery that fundamentally has not changed for more than 100 years. Because conventional PKP is associated with the potential for the development of devastating complications such as…
- Conditions
- Corneal Opacity, Keratitis, Herpetic, Corneal Ulcer, Corneal Dystrophies, Hereditary
- Trial name
- NCT02826174
- Testing
- closed PKP under topical anesthesia, open-sky PKP under retrobulbar anesthesia, Anti-Rejection Agents
- Where
- China
- Volunteers
- 60 people
- Sponsor
- Wenzhou Medical University
Cataract, Lens Opacities
Clinical Outcomes of MICROPURE and PodEye Monofocal Intraocular Lenses
Prospective, non-randomised, open, controlled, single-center post-market clinical follow study about Micropure 1.2.3. and PODEYE intraocular lenses.
- Trial name
- PHY1803 (NCT03796624)
- Testing
- Micropure 1.2.3., PODEYE
- Where
- Czechia
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Eye Disease, Inflammation
Analysis of Eye Tissue
The purpose of this investigation is to better understand the inflammatory process that occurs in uveitis (eye inflammation) through study of eye tissues.
- Conditions
- Eye Disease, Inflammation, Uveitis
- Trial name
- NCT00001224
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Eye Institute (NEI)
Cataract, Lens Opacities
PMCF Study on Monofocal Toric IOL (PODEYE TORIC) in Europe (PHY2104)
This is a multicentric, prospective, open-label PMCF study whereby patients undergoing routine cataract surgery will have mono- or bilateral implantation of hydrophobic acrylic monofocal toric intraocular lens PODEYE TORIC (study…
- Conditions
- Cataract, Lens Opacities, Astigmatism
- Trial name
- PHY2104 (NCT04987216)
- Testing
- IOL implantation experimental
- Where
- 4 sites in Germany
- Volunteers
- 28 people
- Sponsor
- Beaver-Visitec International, Inc.
Liver Neoplasm
Radio-opaque Contrast Agents for Liver Cancer Targeting With KIM During Radiation Therapy
This observational study will investigate the properties of image files standardly collected during radiation therapy treatment in a cross-section of liver cancer patients who received stereotactic ablative body radiation therapy…
- Trial name
- ROCK-RT (NCT05169177)
- Where
- 5 sites in Australia
- Volunteers
- 50 people
- Sponsor
- University of Sydney
Lung Cancer, Wedge Resection
Wedge Resection for Ground-glass Opacity-featured Lung Cancer (ECTOP-1020)
This is a clinical trial from the Eastern Cooperative Thoracic Oncology Project (ECTOP), numbered as ECTOP-1020. The goal of this clinical trial is to confirm the therapeutic effect of Wedge resection for ground-glass…
- Conditions
- Lung Cancer, Wedge Resection, Ground-glass Opacity
- Trial name
- NCT06102161
- Testing
- Wedge resection
- Where
- China
- Volunteers
- 286 people
- Sponsor
- Fudan University
Cataract, Lens Opacities
PMCF Retrospective Study Outcomes of a Premium Monofocal IOL
Multicentric, retro- / prospective, open-label, observational PMCF study to investigate visual performance, contrast sensitivity and patient satisfaction after mono- or bilateral implantation of Isopure 1.2.3.
- Trial name
- PHY2110 (NCT04874376)
- Testing
- IOL implantation experimental (Isopure 1.2.3.)
- Where
- 6 sites in Spain
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Cataract, Lens Opacities
Multicentric Clinical Study on Isatis TF Trifocal Intraocular Lens
The study will be a multicentric, prospective open-label ethics committee approved clinical study to investigate safety, visual outcomes, contrast sensitivity and rotational stability after bilateral implantation of Isatis TF IOL…
- Trial name
- NCT04465344
- Testing
- Implantation of trifocal IOL, Isatis TF (device under investigation), Implantation of monofocal IOL, Isatis (control device)
- Where
- 7 sites in Czechia, Spain
- Volunteers
- 188 people, healthy volunteers welcome
- Sponsor
- Cutting Edge SAS
Congenital Cataract
Congenital Cataract Morphological Classifications
Photography is considered as one of the most important means to promote evidence-based medical practice in pediatric ophthalmology.This study is to investigate the feasibility of congenital cataract morphological classifications…
- Trial name
- NCT02748031
- Testing
- slit-lamp-adapted anterior segmental photography
- Where
- China
- Volunteers
- 1,050 people
- Sponsor
- Sun Yat-sen University
Cataract
A Novel Congenital Cataract Category System
Congenital cataracts (CC) are the leading cause of childhood visual disabilities and treatable childhood blindness worldwide1. CC patients have a wide range of presentations of lens opacities and are generally categorized into…
- Trial name
- NCT02793869
- Where
- China
- Volunteers
- 428 people
- Sponsor
- Sun Yat-sen University
Ophthalmology, Lens Opacities
LensAge to Reveal Biological Age
Assessment of aging is central to health management. Compared to chronological age, biological age can better reflect the aging process and health status; however, an effective indicator of biological age in clinical practice is…
- Conditions
- Ophthalmology, Lens Opacities, Biological Age
- Trial name
- NCT05588921
- Where
- China
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Corneal Scars and Opacities
To Evaluate the Clinical Safety and Efficacy of Limbal Stem Cell for Treatment of Superficial Corneal Pathologies".
This study proposes to investigate the transplantation of ex-vivo cultivated allogenic limbal stromal cells for the treatment of the corneal pathologies.
- Trial name
- NCT04932629
- Testing
- Ex-vivo cultivated Allogeneic limbal stromal stem cells
- Volunteers
- 20 people
- Sponsor
- L.V. Prasad Eye Institute
Cataract, Congenital Anomaly
Studies of Families With Hereditary Cataracts
The objective of this study is to discover the genes responsible for the development of hereditary cataracts in families. A cataract is clouding of the lens of the eye that obstructs the passage of light and may impair vision.
- Trial name
- NCT00001609
- Where
- United States
- Volunteers
- 1,200 people
- Sponsor
- National Eye Institute (NEI)
Macula Lutea Opacity
Food or Supplemental Lutein Absorption
The aim of this study is to investigate in healthy adults, 18-40 years of age, how the absorption of 5 mg of L differs between consumption as a supplement, blended foods, and whole food equivalent of blended foods.
- Trial name
- FSLA20 (NCT04786392)
- Testing
- Lutein supplement, Food, blended, Food, unprocessed
- Where
- Australia
- Volunteers
- healthy volunteers welcome
- Sponsor
- The University of Queensland
CORNEAL OPACITY WITH POOR PROGNOSIS FOR CORNEAL TRANSPLANT
SINGLE PATIENT EXPANDED ACCESS OF A PROSPECTIVE, MULTICENTER CLINICAL TRIAL DESIGNED TO EVALUATE THE SAFETY AND PROBABLE BENEFIT OF THE KERAKLEAR NON-PENETRATING KERATOPROSTHESIS IN SUBJECTS WITH CORNEAL OPACITY WITH POOR PROGNOSIS FOR CORNEAL TRANSPLANT
This is for a "Single Patient Expanded Access" of an on-going study (IRB#2017-3526). In the on-going study, the maximum number of subject will be 35 subjects (35 eyes) will be implanted with the KeraKlear device and will be…
- Trial name
- NCT03812341
- Testing
- Experimental
- Where
- United States
- Sponsor
- University of California, Irvine
Cataract, Lens Opacities
Comparison of ISOPURE and EYHANCE (Switzerland)
This is a prospective randomised open-label study with the aim to compare the visual performance of the premium monofocal Isopure IOL versus the extended depth of focus Eyhance® IOL after phaco-emulsification cataract surgery.
- Trial name
- PHY2301 (NCT05875922)
- Testing
- IOL implantation experimental (ISOPURE 1.2.3.), IOL implantation active comparator (TECNIS Eyhance)
- Where
- Switzerland
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Beaver-Visitec International, Inc.
Molar Incisor Hypomineralization
Evaluation of Three Different Minimally Invasive Techniques for Management of Enamel Opacities in Patients With Molar Incisor Hypomineralization "Randomized Controlled Clinical Trial"
The controlled clinical trial will be done to evaluate Resin infiltration, Resin modified glass ionomer varnish and Light cured giomer varnish as minimally invasive techniques for management of enamel opacities of patients with…
- Trial name
- NCT06135272
- Testing
- Resin infiltration, Resin modified glass ionomer varnish, Light cured giomer varnish
- Where
- Egypt
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Ain Shams University