Clinical trials: Tear Film
Aqueous Deficient Dry Eye, Meibomium Gland Dysfunction
Non-invasive Tear Film Dynamic Measurements in Normal, MGD and ADDE Subjects After Saline Instillation
Compare the objective tear film dynamic measurements in three different populations (MGD [Meibomium Gland Dysfunction], ADDE [Aqueous Deficient Dry Eye] and normal/control [non-dry eye]) and the subjective experience before and…
- Trial name
- NCT01128049
- Testing
- Subjective Questionnaire, Measurement with wavefront sensor (right eye, then left eye), Instill Saline Drop
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Dry Eye Syndrome
Oral Nutrition Impact on Tear Film
Dry eye disease (DED) is a common but often inadequately treated disease of the tears and surface of the eye. It can cause poor vision and chronic pain and is more frequent with increasing age.
- Trial name
- ONIT (NCT01561040)
- Testing
- Omega 3, Vitamins A, D3 and E
- Where
- 4 sites in United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Eye and Vision Technologies and Research Institute
Meibomian Gland Dysfunction, Evaporative Dry Eye
Tear Film Innovations iLux Safety Study
The objective of this study was to measure the temperature of the cornea and surrounding eye tissue temperature immediately after heating the eyelids with the iLux device using the protocol treatment profile.
- Trial name
- NCT03055897
- Testing
- iLux 2020 System
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Tear Film Innovations, Inc.
Tear Film Hyperosmolarity
Tear Osmolarity Changes in Habitual Contact Lens Wearers
Tear osmolarity refers to the amount of osmotically active particles in tears and has been reported as one of the best diagnostic test for dry eye disease.
- Trial name
- NCT03531346
- Testing
- Daily-disposable soft contact lens
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Juvenile Systemic Lupus Erythematosus
AS-OCT Study of Cornea and Tear Film Parameters in Juvenile SLE Patients
The aim of thie study to assess tear film parameters such as tear meniscus height (TMH), tear meniscus area (TMA), and tear meniscus depth (TMD).
- Trial name
- NCT05015465
- Testing
- Anterior Segment OCT
- Where
- Egypt
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Minia University
Dry Eye Disease
Tear Film Stability After Instillation of Over-the-Counter (OTC) Artificial Drops
The goal of this research is to evaluate and compare the effectiveness of Systane® versus Optive™ on aqueous tear film stability in patients with a diagnosis of Dry Eye Syndrome and to determine the possible application for this…
- Trial name
- NCT00610480
- Testing
- 1st visit Optive, then 2nd visit Systane, 1st visit Systane, then 2nd visit Optive
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Dry Eye Syndromes, Cataract
Metabolomic Profile in Dry Eye Syndrome Patients.
The primary objective is to determine possible implications of deviant tear film quality for optimal refractive precision in patients scheduled for cataract surgery.
- Trial name
- NCT05433428
- Testing
- Lubricant Eye Drops, Preservative Free, Preservative
- Where
- Norway
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Ifocus Oyeklinikk
Contact Lens Solutions
Objective Testing of Tear Film Stability
The purpose of this study is to evaluate the in-vivo wettability of soft contact lenses when cared with two different multi-purpose solutions over a two week wearing period.
- Trial name
- NCT00789529
- Testing
- Opti-Free® RepleniSH® MPDS, ReNu MultiPlus®
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Manhattan Vision Associates
Dry Eye
Artificial Tears, Tear Lipids and Tear Film Dynamics
Dry eye disease (DED) is pervasive with some reports estimating over 16 million adults diagnosed in the United States. Currently, artificial tears remain an integral part of managing dry eyes and are mainly used for symptomatic…
- Trial name
- AlconAT (NCT05705518)
- Testing
- Systane Complete PF, Refresh Relieva PF, Refresh Optive Mega-3 PF
- Where
- United States
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- University of California, Berkeley
Eye Disease
Analysis of Human Tear Proteins in Children
The significance of our study is in the importance of understanding the quality and quantity of proteins in the human tear film, and any unique aspects of tears in children.
- Trial name
- NCT00473278
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Environmental Exposure
Controlled Adverse Environment: A Pilot Study to Evaluate Tear Film Stability and Tear Evaporation
Dry eye and ocular surface disease account for a lot of morbidity and socio-economic burden in Asia and the rest of the world. This is a small pilot study to evaluate tear function under different conditions of humidity and…
- Trial name
- NCT01448356
- Testing
- temperature and humidity
- Where
- Singapore
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Dry Eye Disease (DED), Dry Eye
Role of Corneal Nerves in Dry Eye Disease
This study aims to determine whether corneal nerve function and morphology are affected by tear film instability and ocular surface homeostasis loss.
- Conditions
- Dry Eye Disease (DED), Dry Eye, Dry Eye Sensation, Corneal Nerve
- Trial name
- NCT06841471
- Where
- Switzerland
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Daniela Nosch
Contact Lens Discomfort
The Effect of Eyelid Margin Debridement on Contact Lens Discomfort
In this study, clinical variables related to eyelids that potentially have an effect on contact lens discomfort will be investigated such as eyelid signs and secretions, eyelid sensitivity, eyelid microbiome, Demodex infestation…
- Trial name
- NCT03311204
- Testing
- BlephEx, Lid Hygenix
- Where
- Australia
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- The University of New South Wales
Ocular Surface Disease, Tear Film Characteristics
Effect of Four Different Diagnostic Eye Drops on Tear Film Thickness
The use of topical anesthesia as well as corneal vital staining with fluorescein is an inevitable part of various ophthalmological examinations and surgical treatments.
- Trial name
- NCT07230548
- Testing
- Oxybuprocaine MDU, Oxybuprocaine SDU, Oxybuprocaine/fluorescein SDU
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Blepharitis
Lipids of the Human Tear Film and Their Effect on Tear Stability
This prospective, randomized, comparative clinical trial evaluates the effect of either oral doxycycline, oral essential fatty acid, or topical azithromycin to modify the secretions of the meibomian gland in subjects with…
- Trial name
- NCT00803452
- Testing
- doxycycline, azithromycin
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Louisville
Dry Eye, Tear Film
Effects of Two Tear Substitutes in Patients With Dry Eye Syndrome
With the potential to address evaporative dry eye, Liposic and Tears Naturale Forte have been developed in which phospholipid liposomes are delivered to the tear film via the surface of the closed eyelid.
- Conditions
- Dry Eye, Tear Film, Lipid Layer, Liposic
- Trial name
- NCT03211351
- Testing
- Liposic, Tears Naturale Forte
- Where
- China
- Volunteers
- 95 people, healthy volunteers welcome
- Sponsor
- Huaxia Eye Hospital Group