Clinical trials: Near Vision
Myopia, Myopic Astigmatism
Machine Learning Prediction of 1-Year Refractive Error After SMILE
This retrospective single-center observational study is designed to develop and internally validate a multi-output machine learning model for predicting 1-year postoperative refractive prediction error after small incision…
- Conditions
- Myopia, Myopic Astigmatism, Refractive Error - Myopia Axial
- Trial name
- SMILE (NCT07478419)
- Where
- China
- Volunteers
- 1,100 people
- Sponsor
- Tongji University
Myopia
The Model Building and Empirical Research of Eye Health Interventions for Children
The purpose of this study is to determine whether Eye Health Intervention can obviously reduce and delay myopia onset and development and improved the awareness rate of knowledge apparently .
- Trial name
- NCT02903628
- Testing
- eye health education
- Volunteers
- 1,517 people, healthy volunteers welcome
- Sponsor
- Wenzhou Medical University
Myopia
Non-Dispensing Evaluation of an Investigational Galyfilcon A Soft Contact Lens
The purpose of this investigation is to compare the fit characteristics and vision attributes of an investigational Galyfilcon A contact lens and an approved Galyfilcon A contact lens.
- Trial name
- NCT01054807
- Testing
- Galyfilcon A Habitual Lens, Galyfilcon A 8.7 BC (Investigational), Galyfilcon A 8.3 BC (Investigational)
- Where
- Australia
- Volunteers
- 32 people
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Giant Cell Tumor of Bone
Accuracy of Indocyanine Green (ICG) Fluorescence Imaging in Giant Cell Tumor of Bone Surgery
This study evaluates the diagnostic accuracy of Indocyanine Green (ICG) fluorescence imaging in visualizing residual lesions of Giant Cell Tumor of Bone (GCTB) in the tumor cavity during surgery.
- Trial name
- ICG-GCTB (NCT07315828)
- Testing
- Indocyanine Green
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Shanghai Jiao Tong University Affiliated Sixth People's Hospital
Myopia
A Study to Evaluate the Performance of Two Designs of Soft Toric Lenses
The objective of the study is to evaluate the product performance of the Bausch + Lomb toric investigational contact lenses compared to the currently marketed PureVision toric contact lenses.
- Trial name
- NCT01309867
- Testing
- Investigational Toric Lens, PureVision Toric Lens
- Where
- United States
- Volunteers
- 302 people, healthy volunteers welcome
- Sponsor
- Bausch & Lomb Incorporated
Myopia
Efficacy of Topical Atropine Eye Drops for Control of Myopia Progression Among Children Attending Mansoura University Ophthalmic Center
This randomized controlled trial aims to evaluate the efficacy and safety of low-dose topical atropine sulphate (0.05%), a non-selective muscarinic antagonist, in slowing the progression of myopia and ocular axial elongation in…
- Trial name
- NCT07164092
- Testing
- Atropine 0.05% Eye drops
- Volunteers
- 45 people
- Sponsor
- Mansoura University
Polyps, Neoplasms
Advanced Endoscopic Imaging in Colonoscopy
The aim of the study is to evaluate the usefulness of high-tech endoscopy in clinical practice. The important elements of this evaluation are: Evaluation of the character of neoplastic lesions in the colon based on different…
- Trial name
- AEI (NCT02929381)
- Testing
- Innovative colonoscopy (Olympus CF-HQ190L, NBI + Dual Focus), Conventional colonoscopy (Olympus CF-H180DL)
- Where
- Poland
- Volunteers
- 400 people
- Sponsor
- Miroslaw Szura
Pneumoperitoneum
Different Insufflation Flows and Effects on Cerebral Oxygenation in Laparoscopic Cholecystectomy
Previous studies conducted on the hemodynamic effects of pneumoperitoneum pressures created by different insufflation flows are very limited in the literature.
- Trial name
- NCT05992636
- Testing
- pneumoperitoneum insufflation (flow) rate
- Where
- Turkey (Türkiye)
- Volunteers
- 69 people
- Sponsor
- Karadeniz Technical University
Breast Cancer
Prehabilitation Exercise Program in Breast Cancer: Effects on Quality of Life and Tumor Microenvironment (PEP_BC)
To improve the health and quality of life of breast cancer (BC) patients, researchers are focusing on prehabilitation strategies like physical exercise, preparing patients both mentally and physically for clinical and surgical…
- Trial name
- PEP_BC (NCT06360809)
- Testing
- Prehabilitation exercise program
- Where
- Spain
- Volunteers
- 76 people
- Sponsor
- Institut Nacional d'Educacio Fisica de Catalunya
Intraocular Pressure
2311 TURGOR Study -Surgical Efficiency and Postoperative Corneal Clarity With Near Physiologic vs High IOP Settings
The study aims to investigate whether adjusting intraocular pressure (IOP) settings to near physiologic levels during cataract surgery could potentially lead to better surgical outcomes, particularly in terms of corneal clarity…
- Trial name
- NCT07144644
- Testing
- Adjusting intraocular pressure (IOP) settings
- Where
- United States
- Volunteers
- 81 people
- Sponsor
- Research Insight LLC
Myopia, Visual Diet
Longitudinal Measurements of Visual Diet in Children
Myopia is a leading cause of visual impairment worldwide, with prevalence rising rapidly among children. Growing evidence suggests that environmental and behavioral factors play a dominant role in ocular growth; however, current…
- Conditions
- Myopia, Visual Diet, Pupil, Viewing Distance
- Trial name
- VEET (NCT07642999)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- State University of New York College of Optometry
Colon Cancer
Sentinel Lymph Node Mapping and Analysis in Colon Cancer Using Indocyanine Green Dye
Approximately 20-30 % of colon cancer patients who have no metastasis in lymph nodes after definitive colectomy have recurrence with distant metastasis.
- Trial name
- NCT04351009
- Testing
- sentinel lymph node mapping
- Where
- India
- Volunteers
- 48 people
- Sponsor
- Asian Institute of Gastroenterology, India
Myopia, Astigmatism
LASIK iDesign vs SMILE
The study will compare the 6-month visual outcomes (i.e., visual acuity, contract sensitivity, higher order aberrations), quality of vision (i.e., double vision, glare, starburst, halos, etc.) and dry eye symptoms of patients…
- Trial name
- TG-LASIK vs SM (NCT07126756)
- Testing
- STAR S4 IR Excimer Laser System, VisuMax 400 Surgical Laser
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- 59th Medical Wing
Myopia
BIOCLEAN FIRST CARE EX in Combination With Biofinity Lens
To determine if patients are unreactive to the lens care solution / Biofinity combination.
- Trial name
- NCT02196766
- Testing
- Bioclean First Care EX / comfilcon A, Aosept Clearcare / comfilcon A
- Where
- 3 sites in Japan
- Volunteers
- 30 people
- Sponsor
- CooperVision, Inc.
Myopia, Pre-myopia
A Pilot Evaluation of Refractive Error Progression in Pre-Myopic Children in Singapore With and Without Myopia Control Spectacles
This study aims to find out whether ZEISS MyoActive lenses can help prevent short-sightedness from developing in children. We aim to recruit at least 50 children in total for this study.
- Trial name
- NCT07779941
- Testing
- Zeiss MyoActive lenses, Single Vision Lenses
- Where
- Singapore
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Cerebral Ischemia
Total Shoulder Arthroplasty Near-infrared Spectroscopy
The purpose of this study is to measure cerebral oxygenation and cardiac output of total shoulder replacement patients undergoing general anesthesia (GA) and positive-pressure ventilation (PPV).
- Trial name
- TSA NIRS (NCT02198183)
- Testing
- Casmed Fore-Sight Elite, Non-invasive Cardiac Output Monitor (NICOM)
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Hospital for Special Surgery, New York
Myopia
An Investigation of Topical Ophthalmic Low-Dose Atropine on Pupil Size and Accommodation
The goal of this clinical study is to learn about the short-term physiological effects of low-dose atropine in healthy volunteers.
- Trial name
- NCT07674966
- Testing
- Atropine 0.01% Ophthalmic Solution, Atropine 0.02% Ophthalmic Solution, Atropine 0.05% Ophthalmic Solution
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- University of California, Berkeley
Myopic Choroidal Neovascularization
Deep Learning-Based OCTA Quantification and Modeling for Predicting Long-Term Anti-VEGF Efficacy in mCNV
Myopic choroidal neovascularization (mCNV) is one of the sight-threatening complications secondary to pathological myopia. Intravitreal injection of anti-vascular endothelial growth factor (VEGF) is its first-line therapy.
- Trial name
- NCT07402629
- Testing
- No interventions beyond routine medical care
- Volunteers
- 110 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Heart Defects, Congenital
Congenital Heart Defects and NIRS
Congenital Heart Defects and NIRS
- Trial name
- NCT03411512
- Where
- Slovenia
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Petja Fister, MD, PhD
Neck Pain
Relation Between Near Point of Convergence and Postural Stability in Subjects with Non Specific Cervical Pain
A correlation study was conducted to correlate between the convergence insufficiency and postural stability at three different cervical positions in patients with non-specific cervical pain.
- Trial name
- NCT04767386
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Cairo University