Clinical trials: Choroidal Thickness
Retinopathy of Prematurity, Myopia
Prematurity and Ophthalmological Changes
Ophthalmological differences in school-aged children with and without a history of retinopathy of prematurity
- Trial name
- NCT06452524
- Testing
- axial length (AU) and anterior chamber depth (ACD), optical coherence tomography (OCT)
- Where
- Turkey (Türkiye)
- Volunteers
- 211 people, healthy volunteers welcome
- Sponsor
- Ankara City Hospital Bilkent
Induced Defocus to the Retina
Defocus Induced Changes on Choroidal Thickness
The goals of this study are to assess the short-term (10-60 minutes) effects of different magnitudes of myopic and hyperopic optical defocus on the transient thickness of the choroid in children and adults, as well as to assess…
- Trial name
- NCT03954886
- Testing
- Plus powered optical lens
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Houston
PCOS
Eye Evaluation in Patients With PCOS
To evaluate the macular, retinal nerve fiber layer (RNFL) and choroidal thickness alterations by using spectral-domain optical coherence tomography (SD-OCT) in polycystic ovary syndrome (PCOS) and to compare them with healthy…
- Trial name
- NCT01950832
- Testing
- Investigating clinically normal patients with optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Gökhan Açmaz
Myopia
Choroidal Changes Post Short Term Exposure To Virtual Reality Devices
This is a prospective, randomized, controlled, contralateral eye, clinical study. The objective of the study is to determine the impact of Virtual Reality (VR) usage on choroidal thickness when viewed through a test display…
- Trial name
- MIRABILE (NCT04140877)
- Testing
- Visu
- Volunteers
- healthy volunteers welcome
- Sponsor
- Visu, Inc.
Myopia, Myopia Progression
Effect of Diffusion Optics Technology (DOT) Spectacle Lenses on Choroidal Thickness
The objective of the study is to measure the effect of Diffusion Optics Technology (DOT) spectacle lenses on the choroidal thickness and choroidal vascularity index compared to control lenses.
- Conditions
- Myopia, Myopia Progression, Juvenile Myopia
- Trial name
- ASH-2 (NCT05617794)
- Testing
- Diffusion Optics Technology (DOT) Pattern Spectacle Lens, Control Spectacle Lens
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
Myopia
Choroidal Response to the Modified Defocus Incorporated Multiple Segments Spectacle Lenses
The goal of this study is to investigate the short-term changes in choroidal thickness and efficacy of the study spectacle lenses in children.
- Trial name
- NCT07547072
- Testing
- Modified Defocus Incorporated Multiple Segments lens (D1), Modified Defocus Incorporated Multiple Segments lens (D2)
- Where
- Hong Kong
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Uveitis
Objective Choroidal Thickness Measurements in Uveitis
Optical Coherence Tomography (OCT) machines are non-contact instruments that can provide micrometer scale imaging of biological tissue.
- Trial name
- NCT03889860
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Myopia
Exploratory Study on the Effect of SAT-001 on Choroidal Thickness in Pediatric Myopia Patients
This clinical trial aims to exploratively compare and evaluate the structural changes in the eye (specifically changes in choroidal thickness) pre- and post-treatment of the investigational medical devices ('SAT-001' and…
- Trial name
- NCT06729723
- Testing
- SAT-001, modified SAT-001
- Where
- 2 sites in South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- S-Alpha Therapeutics, Inc.
Fish Oils
the Effects of Fish Oil Supplements on Choroidal Thickness and Blood Flow Perfusion in Children and Adolescents
The goal of this clinical trial is to test the effect of fish oil supplement in terms of vision in children and adolescents. The main question it aims to answer is: the differences in changes of choroidal thickness, choroidal…
- Trial name
- FOS (NCT06877494)
- Testing
- fish oil
- Where
- China
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Refractive Error - Myopia
Minimum Power and Frequency of Repeated Low-level Red-light to Effectively Control Myopia Progression
To explore the minimum power and frequency of Repeated Low-level Red-light (RLRL) to control myopia progression in low-myopic children aged 8-10 years, and the rebound effect of low-myopic children after discontinuation of RLRL…
- Conditions
- Myopia, Refractive Error - Myopia, Choroidal Thickness, Retina
- Trial name
- NCT06717048
- Testing
- Repeated Low-level Red-light, Red LED
- Where
- China
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Pregnancy
Evaluation of Choroidal Thickness During Pregnancy Using Enhanced Depth Imaging Optical Coherence Tomography
The purpose of this study is to evaluate choroidal thickness and volume during the third trimester of pregnancy by comparison with a group of age-matched non-pregnant healthy group of women
- Trial name
- NCT02024048
- Testing
- OCT
- Where
- Portugal
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Gaia Hospital