Clinical trials: Depth of Focus
Presbyopia
Mix and Match Study of Two Multifocal Intraocular Lens With Different Add Power
To assess postsurgical visual acuity (distant, intermediate, near), refractive errors, contrast sensitivity, visual function and patient satisfaction after implantation of multifocal IOLs of different add power contralaterally.
- Trial name
- NCT02556944
- Testing
- Phacoemulsification with multifocal intraocular lens
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- tae-young chung
Gingival Recession, Localized
Clinical Evaluation of Tunneled Coronally Advanced Flap v.s Coronally Advanced Flap With Graft for Gingival Recession
The goal of this clinical trial is to evaluate gingival recession depth reduction using tunneled coronally advanced flap compared to coronally advanced flap, both combined with connective tissue graft in patients with isolated…
- Trial name
- NCT06553677
- Testing
- Tunneled coronal advanced flap with connective tissue graft, Coronally advanced flap with connective tissue graft
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Healthy Controls
Dose-Dependent Effects of Low-Intensity Focused Ultrasound
Low-intensity focused ultrasound (LIFU) has emerged as a tool to modulate the activity of deep brain structures noninvasively and reversibly, with anatomical precision.
- Trial name
- NCT07099950
- Testing
- Low-intensity focused ultrasound
- Where
- United States
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Laureate Institute for Brain Research, Inc.
Presbyopia
Extended Depth of Focus Contact Lenses for Presbyopia
VTI has an FDA cleared soft contact lens product. Its optical design creates an enhanced depth of focus (EDOF), which provides clear distance, intermediate, and near vision.
- Trial name
- NCT05495971
- Testing
- NaturalVue Multifocal
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Visioneering Technologies, Inc
HIV Infections
HIV Assessment in Fuyang, Anhui Province, China
The purpose of this study was to examine the needs, concerns, stigmas, and social networks of HIV infected former plasma donors (FPDs) and their relatives in Fuyang, Anhui Province, China.
- Trial name
- NCT00094354
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Cataract, Cataract Senile
Impact of a Novel Extended Depth of Focus Intraocular Lens on Visual and Lifestyle Enhancement
The introduction of presbyopia-correcting intraocular lenses (PC-IOLs) has provided cataract and refractive surgeons the ability to provide patients with a wider range of visual success and spectacle independence post-cataract…
- Conditions
- Cataract, Cataract Senile, Presbyopia
- Trial name
- NCT04570579
- Testing
- Vivity Extended Depth of Focus Intraocular Lens
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Alanna Nattis, DO
Gingival Recession, Localized
The Laterally Closed Tunnel Versus Modified Coronally Advanced Tunnel for Mandibular Anterior Gingival Recession Defects
The aim of this study is to comparatively evaluate the advantages of LCT with SCTG over MCAT with SCTG for coverage of deep isolated mandibular anterior recession.
- Trial name
- NCT04198376
- Testing
- Group A The Laterally Closed Tunnel Technique with SCTG, Group B Modified Coronally Advanced Tunnel Technique with SCTG.
- Where
- India
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Krishnadevaraya College of Dental Sciences & Hospital
Inflammatory Bowel Diseases, Sarcopenia
Phenotyping of Adult Crohn's Focusing on Sarcopenia
Inflammatory bowel disease (IBD) includes two idiopathic chronic relapsing and remitting inflammatory conditions affecting the gastrointestinal (GI) tract: Crohn's disease (CD) and ulcerative colitis (UC)Malnutrition and…
- Conditions
- Inflammatory Bowel Diseases, Sarcopenia, Digestive System Disease, Nutrition, Healthy
- Trial name
- PACS (NCT05572203)
- Testing
- Intrinsically labelled protein
- Where
- United Kingdom
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Nottingham