Clinical trials: Tear Film
Dry Eye
Prostaglandin Analog Eyelash Serum and Ocular Surface Health: A Prospective Study
This prospective interventional study investigates the effects of a prostaglandin analog-based eyelash serum on ocular surface integrity, tear film stability, and eyelash growth over six weeks.
- Trial name
- EYESERUM (NCT06875687)
- Testing
- Prostaglandin Analog-Based Eyelash Serum
- Where
- Spain
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- University of Seville
Dry Eye Disease
Diurnal Variation in Tear Osmolarity
The purpose of this study is to measure the change in Tear Osmolarity during the course of the day to support clinical diagnosis of aqueous deficiency or meibomian gland disease and differentiate between the two forms of dry eye.
- Trial name
- NCT01321424
- Where
- 6 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ophthalmic Consultants of Long Island
In the Present Study, we Investigated the Effects of Oral Ambroxol on Tear Film and Ocular Surface.
Effects of Oral Mucolytics on Tear Film and Ocular Surface
Ambroxol is a metabolite of bromhexine and possesses mucokinetic and secretolytic properties that are also found in mucolytic agents.1 Ambroxol has been used for decades for the treatment of respiratory disorders associated with…
- Trial name
- NCT01713179
- Testing
- Ambroxol hydrochloride (Mucopect®, 60 mg, Boehringer Ingelheim)
- Where
- South Korea
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Hallym University Kangnam Sacred Heart Hospital
Eye Disease
Pilot Study of Human Tear Proteins
The significance of our study is in the importance of understanding the quality and quantity of proteins in the human tear film from diseased and non-diseased patients.
- Trial name
- NCT00453258
- Testing
- Eye Examination
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Dry Eye Syndrome
Evaluation of Factors Affecting the Tear-film Lipid Layer Thickness
In this study, the investigators aim to determine the effects of age, sex, history of ocular surgery and contact lens use, and ocular surface and meibomian gland parameters on the lipid layer thickness (LLT) in normal subjects…
- Trial name
- NCT02645045
- Where
- South Korea
- Volunteers
- 350 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Dry Eye
Evaluation of Dry Eye by Tear Film Imager in a Low Humidity Environmental Exposure Chamber (TFI-LH16)
The study consists of 3 study visits to the clinic over at least 9 days. Visit 1 - the medical screening visit: subjects will undergo informed consent and will be tested for signs and symptoms of Dry Eye Syndrome (DES) including…
- Trial name
- TFI-LH16 (NCT03061578)
- Testing
- Tear Film Imager, Low Humidity Environmental Exposure Chamber (LH-EEC)
- Where
- Canada
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Adom Advanced Optical Technologies Ltd.
Dry Eye Syndrome
A Prospective Clinical Study Assessing the Effects of Tetracycline Antibiotic on Tear Film and Tear Lipid Composition Within a Population of Patients Diagnosed With Blepharitis and Dry Eye Disease
The purpose of this research project is to determine the effects of oral tetracycline such as Minocycline (Minocin) on tear film composition and tear lipid (meibomian gland secretions) characteristics in patients with chronic…
- Trial name
- NCT00355459
- Testing
- Tetracycline: Doxycycline analog
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Blepharitis
Short-term Effects on Tear Film (Baby Shampoo vs Blephasol)
Lid cleansing is the standard regime that is recommended for the management of blepharitis in the UK and beyond. Whilst many successful commercial preparations exist, and some with clinical evidence, professional guidelines (UK…
- Trial name
- Blepha (NCT04858113)
- Testing
- Blephaclean
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Plymouth
Dry Eye Syndromes
Diagnostic Evaluation of the Tear Film
The objectives of this study are to assess for a difference between normal and dry eye subjects in tear film quality using a diagnostic interferometry device and to determine whether there are associations between tear film…
- Trial name
- NCT00761917
- Testing
- Tear Film Analyzer
- Where
- 8 sites in United States
- Volunteers
- 229 people, healthy volunteers welcome
- Sponsor
- TearScience, Inc.
Tear Film Characteristics
Clinical Evaluation of An Approved Contact Lens
This is an 8-visit, bilateral, dispensing clinical study to evaluate the change in tear fluid pH and tear film osmolarity in an FDA-cleared contact lens in new contact lens users over a 14-day period.
- Trial name
- NCT02760810
- Testing
- Marketed Contact Lens
- Where
- United Kingdom
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Dry Eye Syndromes
Comparison of Evaporimetry With the Established Methods of Tear Film Measurement
Purpose: To establish whether there is a correlation between dry eye symptoms, age and gender, a difference in symptom intensity in different times of the day, which test (Schirmer or TBUT) better correlates with dry eye…
- Trial name
- NCT01496482
- Testing
- Only measurements done on subjects in both groups.
- Where
- Croatia
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Zagreb
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
Healthy Subjects, Moderate to Severe Keratoconjunctivitis Sicca (KCS)
Three Dimension Tomography of Eye Structures by White Light Imaging Device
The purpose of this study is to investigate the ability of an imaging device, developed by AdOM Advanced Optical Technologies Ltd. ("AdOM").
- Conditions
- Healthy Subjects, Moderate to Severe Keratoconjunctivitis Sicca (KCS), Dry Eye Syndrome (DES)
- Trial name
- 3D-WLT (NCT02424266)
- Testing
- None invasive imaging of the tear film (AdOM)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
Dry Eye
Tear Film Thickness Measured Using a Novel Technique
The aim of this investigation is to determine the thickness of the human preocular tear film using a new method based on laser speckle.
- Trial name
- NCT01014780
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Dry Eye
Objective Evaluation of Ocular Surface Lubricants in Two Environments
This study will evaluate ocular surface lubricants in subjects with dry eye syndrome.
- Trial name
- NCT01375582
- Testing
- B & L Soothe Lubricant Eye Drops, Liposic EDO, OcuFresh Eye Wash
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Contact Lens Complication, Dry Eye
Correlation Study of Corneal Nerve Changes and Dry Eye in Contact Lens Wearers
This study aims to analyze the changes of corneal nerve morphology and function in contact lens-related dry eye(CLADE) patients and further discuss the role of corneal nerve in the genesis and development of CLADE.
- Trial name
- NCT04663529
- Testing
- contact lens
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
Dry Eye Disease
Optical Coherence Tomography of Tear Film Dynamics In-Vivo
The purpose of this study is to evaluate a new instrument that takes digital images of tear film (a thin film that coats the eye that is made up of oil and water).
- Trial name
- NCT02554084
- Testing
- Optical Coherence Tomography
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Contact Lens, Tear Film Thickness
High-resolution Imaging of Tear Film Thickness in Contact Lenses Wearers With Optical Coherence Tomography (OCT). A Pilot Study
A refractive error is the most common reason for reduced visual acuity. Myopia, hyperopia, astigmatism and presbyopia belong to the four basic refractive errors and, unfortunately, cannot be prevented.
- Trial name
- NCT02713399
- Testing
- Optical Coherence Tomography
- Where
- Austria
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Dry Eye
Detection of Acetylsalicylic Acid and Omega-3 Fatty Acids in Schirmers' Test Strips Using Mass Spectrometry
Evaluation of tear fluid production using Schirmers' tests is a well-known and frequently used examination method in ophthalmology.
- Trial name
- NCT05775536
- Testing
- Aspirin 500Mg Tab, Dr. Böhm® Omega 3 complex 870 mg
- Where
- Austria
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Ocular Discomfort, Ocular Inflammation
Effects of Xiidra on Closed Eye Tear Film Leukocytes in Dry Eye Disease
Every night during sleep, there is an accumulation of white blood cells in the closed eye. The closed eye white blood cells are predominantly neutrophils, but there is a small population (3%) of T cells.
- Conditions
- Ocular Discomfort, Ocular Inflammation, Dry Eye, Contact Lens Complication
- Trial name
- NCT03408015
- Testing
- Lifitegrast
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham