Clinical trials: Tear Break-Up Time
Dry Eye Syndromes
Treatment of Dry Eye With Supplements
Dry eye syndrome (DES) is a highly prevalent ocular condition inducing an inflammatory response on the ocular surface. Common symptoms include ocular discomfort, visual impairment and instability of the tear film with potential…
- Trial name
- NCT01364311
- Testing
- Vitamac® Tag and Nacht capsules
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Visual Fatigue
Evaluating the Effectiveness of Comfort Reading Mode in Preventing Dry Eyes and Visual Fatigue
The purpose of this study was to investigate the effects of visual fatigue and dry eye level under different reading background polarities and different text colours, and to evaluate the effect of comfortable reading mode on the…
- Trial name
- NCT07032909
- Testing
- comfortable reading mode
- Where
- China
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Dry Eye
Keratometric Tear Breakup Time and Fluorescein Tear Breakup Time
The purpose of the research is to determine if putting fluorescein onto the eye (most common test done for dry eye syndrome) is an accurate way to measure dry eye symptoms.
- Trial name
- NCT00854906
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University of Arkansas
Corneal Topography, Dry Eye Syndromes
Performance Evaluation of the OCUTOP Hand-held Corneal Topographer
The OCUTOP is a new hand-held camera that photographs the front of the eye to map the shape of the cornea and to assess the tear film.
- Conditions
- Corneal Topography, Dry Eye Syndromes, Keratoconus, Healthy Volunteers
- Trial name
- OCUTOP (NCT07895849)
- Testing
- OCUTOP hand-held corneal topographer with OCUGRAPH software, Reference instrument measurement (corneal topography and tear-film assessment)
- Where
- 2 sites in United Kingdom
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Plymouth
Corneal Injury, Exposure Keratopathy
Eyelid Taping Alone Versus Taping With Lubricant Eye Drops for Perioperative Corneal Protection
During general anesthesia, the eye's natural protective reflexes are suppressed, which can lead to corneal drying and injury. To prevent this, anesthesiologists routinely tape the eyelids closed.
- Conditions
- Corneal Injury, Exposure Keratopathy, Perioperative Complications
- Trial name
- NCT07562594
- Testing
- Hypoallergenic Eyelid Taping, Hypoallergenic Eyelid Taping With Lubricant Eye Drops
- Where
- Turkey (Türkiye)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Fatih Sultan Mehmet Training and Research Hospital
Visual Fatigue, Dry Eye
Evaluation of New Color Temperature Adjustment Mode in Preventing Dry Eye and Visual Fatigue
The purpose of this study was to investigate the effects of visual fatigue and dry eye level under different correlated color temperature modes, and to evaluate the effect of new designed dynamic color temperature change modes on…
- Trial name
- NCT07201493
- Testing
- color temperature change mode
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Dry Eye
Evaluation of Extended Tear Film Break Up Time (TFBUT) With an Ocular Emulsion
The primary objective of this investigation will be to quantify the increase in tear film break-up time (TFBUT) associated with the instillation of a single eyedrop of an Ocular Emulsion in dry eye sufferers.
- Trial name
- NCT01368198
- Testing
- Systane Balance Lubricating Eye Drops, OPTIVE™
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Keratoconjunctivitis Sicca
Tear Film Break-up Time After Instillation of Artificial Tears
This study is an exploratory trial evaluating the tear film break-up time after a single eye drop instillation of over-the-counter artificial tears.
- Trial name
- NCT00681265
- Testing
- glycerin, polyethylene glycol 400/propylene glycol
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Calm Water Therapeutics LLC
Healthy
Effect of Topical Glaucoma Therapy on Tear Film Stability in Healthy Subjects
Long term treatment with anti-glaucomatous drugs has been shown to increase the incidence of dry eye syndrome with all known consequences such as ocular discomfort and epithelial keratitis.
- Trial name
- NCT01746602
- Testing
- Timoptic® 0.5%, Timophtal sine® 0.5%, Genteal HA®
- Where
- Austria
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Dry Eye Syndrome
Reproducibility of Tearfilm Osmolarity Measurements Using TearLab® in Patients With Dry Eye Syndrome and Healthy Subjects
Dry Eye Syndrome (DES) is a common condition that affects approximately 20% of adults aged 45 and older. Although several clinical tests for the diagnosis and monitoring of DES are available, currently no gold standard for the…
- Trial name
- NCT01744457
- Testing
- Measurement of tear film osmolarity with the TearLab® instrument, Schirmer I test, Tear break up time
- Where
- Austria
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Dry Eye Disease
Clinical Pharmacological Study of AL-43546 Ophthalmic Product in Subjects With Shortened Tear Film Break Up Time
The purpose of the study is to observe lacrimal fluid condition (tear film break-up time) chronologically after a single dose of AL-43546 ophthalmic products（0.15%, 0.25% and vehicle）and 0.1% sodium hyaluronate ophthalmic…
- Trial name
- NCT00760045
- Testing
- Hydroxypropyl Guar Galactomannan, 0.1% sodium hyaluronate ophthalmic solution
- Where
- Japan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Dry Eye
Comparative Efficacy of SYSTANE® ULTRA vs Optive™ in Improving Tear Film Break-up Time
The primary objective of this study is assess the Tear Film break-up time (TBUT) in mild to moderate dry eye subjects.
- Trial name
- NCT01417013
- Testing
- Systane Ultra, Optive
- Volunteers
- healthy volunteers welcome
- Sponsor
- Alcon Research
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 Syndrome
Assessment of Tear Film Thickness by Optical Coherence Tomography in Healthy Subjects and Subjects With Dry Eye Disease
Dry eye syndrome (DES) is a highly prevalent ocular condition with severe consequences for the patients reaching from ocular discomfort in its simplest form up to visual impairment and corneal ulceration in severe cases.
- Trial name
- NCT01753596
- Testing
- GENTEAL HA® Eye Drops (NOVARTIS, Switzerland), Physiological Sodium Chloride solution (0,9%)
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Dry Eye Disease (DED), Tear Break-Up Time
Efficacy of 0.28% Sodium Hyaluronate Eye Drops in Patient With Moderate to Severe Dry Eye
This study aimed to evaluate the efficacy and safety of 0.28% preservative-free SH and 0.18% SH eye drops in patients with dry eye disease.
- Conditions
- Dry Eye Disease (DED), Tear Break-Up Time, Tear Disorder, Tear Film Insufficiency
- Trial name
- NCT06860659
- Testing
- 0.28% Sodium Hyaluronate , preservative free eye drops, 0.18% Sodium Hyaluronate , preservative free eye drops
- Where
- Thailand
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand