Clinical trials: Ocular Pathologies
Colorectal Neoplasms
Third Eye Panoramic Device Feasibility Evaluation
This study will evaluate the feasibility of using the Third Eye Panoramic device in conjunction with standard colonoscopes in a clinical setting.
- Trial name
- NCT02368977
- Testing
- Third Eye Panoramic device
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Avantis Medical Systems
Blepharoptosis, Ecchymosis; Eyelid
Fibrin Sealant in Eyelid Surgery
This study is looking at the effect of Tisseel in eyelid surgery. Fibrin sealants (Tisseel) cause there to be less bleeding during surgery. Surgeons have used Tisseel for over two decades to reduce bruising.
- Trial name
- NCT05358977
- Testing
- Tisseel
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Presbyopia, Pseudophakia
Efficacy of Pilocarpine 1% in Presbyopia
In this before-after interventional study on patients with presbyopia after cataract surgery, uncorrected distance vision and corrected distance visual acuity are measured and recorded by Snellen chart.
- Trial name
- NCT05578001
- Testing
- Pilocarpine Ophthalmic
- Where
- Iran
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Isfahan University of Medical Sciences
Presbyopia, Pseudophakia
Visual Outcomes After Extended Depth of Focus Intraocular Lens Implantation With and Without Digital Assistance
The primary objective of this study is to compare the postoperative visual acuity curves of patients that underwent one of the following surgical procedures: Insertion of an extended depth of focus intraocular lens with digital…
- Conditions
- Presbyopia, Pseudophakia, Cataract, Refractive Errors
- Trial name
- NCT06460389
- Testing
- Visual Acuity Assessment
- Where
- Greece
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
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
Amblyopia
Clinical Treatment of Transcranial Direct Current Stimulation in Older Adolescents With Amblyopia
As a neurodevelopmental visual disorder, amblyopia, especially monocular form-deprivation amblyopia, can lead to severe visual developmental impairments.
- Trial name
- NCT06760910
- Testing
- tDCS Stimulation, Anodal tDCS
- Where
- China
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Eye Manifestations
Intraoperative OCT Guidance of Intraocular Surgery
The purpose of this study is to investigate the use of optical coherence tomography imaging integrated with an operating microscope (MIOCT) in ophthalmic surgeries.
- Trial name
- MIOCT (NCT01588041)
- Where
- 2 sites in United States
- Volunteers
- 269 people, healthy volunteers welcome
- Sponsor
- Duke University
Vision, Low, Blindness
Testing Tactile Aids With Blind Subjects
The objective of this project is to create richer tactile aids by using materials chemistry to create tactile sensations in tactile aids, as an alternative to traditional physical bumps, lines, or textures.
- Trial name
- NCT06237829
- Testing
- Single bump acuity, Optimal spacing between bumps, Improving signal from a single bump with designer materials
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Hypothyroidism, Subclinical Hypothyroidism
Thyroid Disorders in Malaysia: A Nationwide Multicentre Study
This will be a population based study looking at the prevalence of thyroid disorders in Malaysia (including hypo- and hyperthyroidism, subclinical hypo- or hyperthyroidism) and its association with different ethnicity and iodine…
- Conditions
- Hypothyroidism, Subclinical Hypothyroidism, Hyperthyroidism, Subclinical Hyperthyroidism
- Trial name
- MyEndo-Thyroid (NCT02190214)
- Volunteers
- 2,498 people, healthy volunteers welcome
- Sponsor
- International Islamic University Malaysia
Geographic Atrophy, Wet Macular Degeneration
A Population-based Study of Macular Choroidal Neovascularization in a Chinese Population
To investigate pathomorphological and functional variations of choroidal neovascularization (CNV) in age-related macular degeneration (AMD) in a Chinese population using optical coherence tomography (OCT) to find which kinds of…
- Conditions
- Geographic Atrophy, Wet Macular Degeneration, Retinal Drusen
- Trial name
- NCT01666821
- Testing
- Follow-up observation
- Where
- China
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Shanghai University of Traditional Chinese Medicine
Birth Weight
Effects of Birth Weight on Anterior Eye Segment Measurements in Full-Term Children by Galilei Dual-Scheimpflug Analyzer
This study evaluates the effects of birth weight (BW) on ocular anterior segment parameters in preschool children using the Galilei Dual-Sheimpflug Analyzer (GD-SA).
- Trial name
- NCT02466932
- Testing
- Galilei Dual-Scheimpflug Analyzer
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Neon Hospital
Post Operative Delerium, Post Operative Cognitive Dysfunction
Eye Movements to Predict Post-Operative Delirium
Postoperative delirium (POD) is a common complication in older adults undergoing surgery, lacking objective and noninvasive diagnostic methods.
- Trial name
- EYE-POD (NCT07806487)
- Where
- Chile
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Chile
Vision Disorders, Vision, Low
Viewing Strategy Training in Children With (Cerebral) Visual Impairment
Viewing strategies are strategies used to process visual Information. Many children with visual impairment seem to lack systematic viewing strategies.
- Trial name
- NCT05600140
- Testing
- Viewing strategy training
- Where
- Netherlands
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Royal Dutch Visio
Amblyopia
Optical Correction and Visual Functions of Adults With Amblyopia
Amblyopia is a developmental anomaly resulting from abnormal visual experiences in early life. Amblyopia causes reduced visual acuity in the absence of a pathology.
- Trial name
- SPECTRA (NCT05394987)
- Testing
- Spectacles
- Where
- 2 sites in Canada, Hong Kong
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Visual Suppression, Amblyopia
Autostereoscopic Dynamic Near Vision Testing
This is an analysis of tests of near vision. Visual perception testing using a novel program on an interactive three dimensional electronic device: Autostereoscopic dynamic near games for monocular visual acuity, stereopsis and…
- Conditions
- Visual Suppression, Amblyopia, Color Vision Defects
- Trial name
- PDICheck (NCT04606355)
- Testing
- Visual Acuity, stereopsis, Color vision
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
Age Related Macular Degeneration, Retinitis Pigmentosa
Visual Activity Evoked by Infrared in Humans After Dark Adaptation
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive to in healthy and color-blind…
- Conditions
- Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
- Trial name
- NCT02909985
- Testing
- Tungsten halogen light with narrow bandpass filters
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Pain
Study to Test the Blood to See if a New Medicine is Likely to Provide Pain Relief Similar to a Product Already Sold in Stores
This study is designed to assess bioequivalence between one test and one reference formulation used for temporary relief of pain.
- Trial name
- NCT01555476
- Testing
- Ibuprofen
- Where
- Sweden
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- McNeil AB
Ophthalmology
Study on the Effect of Eye-covering Pretreatment on Acute Delirium After General Anesthesia in Pre-school Aged Children
Participants (preschool children), because their cognitive ability and anti pressure ability are obviously weaker than adults, most of the children who have this kind of operation and anesthesia stressors will have perioperative…
- Trial name
- NCT04973150
- Testing
- To explore whether pretreatment with eye covering can reduce the incidence of acute delirium and the score of delirium after general anesthesia in ophthalmology pre-age children.
- Where
- China
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Ocular Pathologies
Compact Auto-Aligning Multi-Modal Eye Imaging to Diagnose Traumatic Eye Injury
The purpose of this study is to test an investigational eye imaging device by taking pictures of participants eyes with a single image capture that takes only seconds.
- Trial name
- NCT07218835
- Testing
- Auto-aligning Ocular imaging instrument
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Duke University
Macular Degeneration Choroidal Neovascularization
Deep Learning Optical Coherence Tomography (OCT) and OCT Angiography (OCTA) in NVC
To evaluate the activity of neovascular macula degeneretion as assessed by SD-OCTand OCT-A using a split-person study design and deep-learning quantification.
- Trial name
- OCTA (NCT05969418)
- Testing
- Diagnostic test: using artificial intelligence to evaluate the changes OCT and OCTA parameter
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Federico II University