Search clinical trials for: lens thickness

Total 4431 results

Medical University of Vienna

Recruiting

High-resolution Imaging of Tear Film Thickness in Contact Lenses Wearers With Optical Coherence Tomography (OCT). A Pilot Study

Contact Lens | Tear Film Thickness

Austria
Vejle Hospital

Active, not recruiting

The Immediate Effect of Defocus Spectacles On the Choroid Thickness Using Optical Coherence Tomography on Children (TIDOCT)

Myopia

Denmark
Ochsner Health System

Terminated

Axial Length and Central Corneal Thickness in Benign Intracranial Hypertension

Benign Intracranial Hypertension
SightGlass Vision, Inc.
University of Waterloo

Active, not recruiting

Effect of Diffusion Optics Technology (DOT) Spectacle Lenses on Choroidal Thickness (ASH-2)

Myopia | Myopia Progression | Juvenile Myopia

Canada
Bo Jia

Completed

Influence of Intravitreal Aqueous Tamponade on Lens Status and Ocular

Cataract | Aqueous Tamponade

China
Damascus University

Completed

Corticosteroid Injection Combined With Cataract Surgery in Diabetic Eyes.

Cataract | Intravitreal Injection | Diabete Type 2 | Triamcinolone Acetonide

Syrian Arab Republic
Klinički Bolnički Centar Zagreb
University of Zagreb

Completed

PCME Prevention in Patients With NPDR

Cystoid Macular Edema Following Cataract Surgery

Croatia
Batman Training and Research Hospital

Completed

Comparison of Ocular Findings in Patients Between Surgical and Natural Menopause

Macula Edema | Menopause Surgical | Visual Acuity Reduced Transiently

Turkey
University of Houston

Completed

Defocus Induced Changes on Choroidal Thickness

Induced Defocus to the Retina

United States
T.C. ORDU ÜNİVERSİTESİ

Completed

The Effect of Intracameral Carbachol and Epinephrine on Choroidal Thickness

Cataract | Choroid Disease | Epinephrine Toxicity | Carbachol Adverse Reaction

Turkey
Wenzhou Medical University

Completed

Study on the Difference of Preoperative Related Parameters in Children With or Without Microcornea Within Less Than One Year Old

Microcornea Within One Year of Age

China
Clearside Biomedical, Inc.

Terminated

Suprachoroidal Injection of Triamcinolone Acetonide With IVT Aflibercept in Subjects With Macular Edema Following RVO (SAPPHIRE)

Macular Edema | Retinal Vein Occlusion

Spain, United States, Taiwan, Canada, Hungary, Israel, Portugal, Australia, Poland, United Kingdom, Austria, Denmark, India, Italy, Philippines, Slovakia
Wenzhou Medical University

Completed

Age-Related Changes and Cycloplegia-Induced Differences in the Human Crystalline Lens

Cataract

China
Ruijin Hospital

Unknown

A Longitudinal Study of Choroidal Changes After Cataract Surgery in Eyes With Diabetic Retinopathy

Diabetic Retinopathy | Optical Coherence Tomography | Choroid

China
University of Waterloo
Bausch & Lomb Incorporated

Unknown

Corneal Thickness Changes With Scleral Contact Lenses

Keratoconus | Healthy Controls

Canada
yin ying zhao

Completed

Effects of 23-gauge Lensecotomy Combined With Anterior Vitrectomy on Macular in Children With Congenital Cataract

Congenital Cataract | Macular

China
Afyon Kocatepe University Hospital

Completed

Changes of Macular Pigment and Parameters of Eyes After YAG Laser Treatment in Cases With Capsule Opacification

Retinal Degeneration | Macula Edema | Retinal Detachment | Posterior Capsule Opacification | Macular Pigmentation | Choroid Disease | Anterior Chamber Angle Congestion
Centre Hospitalier Régional Metz-Thionville

Completed

Correlation Between Postoperative Central Corneal Thickness and Endothelial Damage After Cataract Surgery (ECOCHI)

Cataract | Phacoemulsification
Medical University of Vienna

Unknown

Evaluation of Central Macular Thickness in Femtosecond Laser-assisted Cataract Surgery (FLAME)

Age Related Cataracts | Cystoid Macular Edema

Austria
Centre Hospitalier Régional Metz-Thionville

Completed

Impact of Ophthalmic Surgeon Experience on Early Postoperative Central Corneal Thickness (CHICA)

Cataract
Wenzhou Medical University

Completed

Analysis of Retinal Nerve Fiber Layer and Macular Thickness After Congenital Cataract Surgery

Congenital Cataract

China
St John of God Hospital, Vienna

Completed

"Cataract Surgery in Eyes With Epiretinal Membrane"

Cataract | Epiretinal Membrane | Irvine-Gass Syndrome | Pseudophakic Cystoid Macular Edema
Sun Yat-sen University
Ministry of Health, China

Completed

Subfoveal Choroidal Thickness After Surgery for Age-related Cataracts

Cataract

China
Sun Yat-sen University
Ministry of Health, China

Completed

The Variations of Macular Thickness in Juvenile Subjects

Cataract;Macular Thickness

China
The Hong Kong Polytechnic University
Menicon Co., Ltd.

Completed

Toric Orthokeratology - Slowing Eye Elongation (TO-SEE)

Astigmatism | Myopia

China
University of Waterloo
Canadian Optometric Education Trust Fund (COETF)

Completed

Lipid Layer Thickness Pre and Post Lid Scrubs With Cliradex (HONDA)

Dry Eye

Canada
University of Malaya

Completed

Effect of Preoperative Topical Ketorolac on Aqueous Cytokine Levels and Macular Thickness in Cataract Surgery Patients

Diabetes Mellitus | Cystoid Macular Edema, Postoperative

Malaysia
Yonsei University

Completed

Evaluation of Tear Film Lipid Layer Thickness Change After Cataract Surgery

Cataract Patients

Korea, Republic of
Optovue

Completed

Evaluation of Corneal Epithelial Thickness Mapping

Dry Eye and Contact Lens Wear

United States
Mahidol University

Completed

Accuracy of Holladay 2 Formula in the Absence of Lens Thickness

Cataracts

Thailand
Edward J. Holland
Alcon Research; Sirion Therapeutics, Inc.; Parsons Medical Communications

Completed

Study of Difluprednate vs. Prednisolone Acetate on Visual Acuity, and Corneal Edema Following Cataract Surgery.

Corneal Edema | Cataracts | Visual Acuity Reduced Transiently | Retinal Structural Change, Deposit and Degeneration

United States
Iladevi Cataract and IOL Research Center

Completed

CME With Different Fluidic Parameters

Cystoid Macular Edema Following Cataract Surgery

India
Iladevi Cataract and IOL Research Center

Completed

Outcomes of Phacoemulsification With Torsional Ultrasound

Cataract

India
University of Sao Paulo

Completed

BSSPlus Versus Lactated Ringer's for Phacoemulsification

Cataract

Brazil
Asociación para Evitar la Ceguera en México

Completed

A-Mode vs PalmScan Ultrasonography: Biometric Measurements.

Axial Length (AL) | Anterior Chamber Deep (ACD) | Lens Thickness (LT)

Mexico
Rabin Medical Center

Unknown

Effect of Topical Brimonidine on Post Cataract Surgery Corneal Edema

Corneal Edema | Visual Acuity

Israel
University of Texas Southwestern Medical Center
National Eye Institute (NEI); CIBA VISION

Completed

A Comparison of 12 Month Daily Wear of Two Novel O2 Permeable Silicone Hydrogel CLs (HOP/SiH) and A Control, Standard O2 Lens

Contact Lenses, Extended-Wear

United States
Tianjin Eye Hospital

Not yet recruiting

To Evaluate the Efficacy and Safety of an Defocus Lens in Slowing the Progression of Myopia

Myopia, Progressive

China
Alcon Research

Not yet recruiting

Clareon PanOptix Pro vs. Clareon PanOptix - Study A

Presbyopia | Aphakia

United States
Alcon Research

Not yet recruiting

Clareon PanOptix Pro vs. Clareon PanOptix - Study B

Presbyopia | Aphakia

United States
Gaziosmanpasa Research and Education Hospital

Recruiting

The Relationship Between Diaphragm Muscle Thickness and Fibromyalgia

Depression | Fibromyalgia | Anxiety | Diaphragm Issues

Turkey
Dongyang People's Hospital

Not yet recruiting

Base Curves of Bandage Contact Lenses and Their Effects on Post Trans-PRK Vision and Pain

Myopia

China
Gaziosmanpasa Research and Education Hospital

Recruiting

Ultrasonographic Measurement of Diaphragmatic Thickness in Adolescents With Pectus Deformity

Pectus Excavatum | Pectus Carinatum | Pectus Deformity | Pectus Abnormalities

Turkey
Konya City Hospital

Recruiting

Factors Predicting Blood Pressure Change With Interscalene Block

Systolic Blood Pressure (20% or Greater Increase)

Turkey
Euclid Systems Corporation

Not yet recruiting

Euclid Phoenix Lens Design Trial 2

Myopia | Cornea

United States
St. Jude Children's Research Hospital
AbbVie

Not yet recruiting

Adding Dasatinib Or Venetoclax To Improve Responses In Children With Newly Diagnosed T-Cell Acute Lymphoblastic Leukemia (ALL) Or Lymphoma (T-LLY) Or Mixed Phenotype Acute Leukemia (MPAL)

T-cell Lymphoma | T-cell Acute Lymphoblastic Leukemia | Mixed Phenotype Acute Leukemia

United States
Université de Sherbrooke

Recruiting

Cyclosporine and Intense Pulsed Light for Dry Eye in Contact Lens Users (CycliP)

Dry Eye | Contact Lens Complication

Canada
Melt Pharmaceuticals
Catalent; Evolution Research Group; MedTrials Incorporated; Pharmalex

Recruiting

A Study to Evaluate Efficacy and Safety of MELT-300 for Procedural Sedation in Subjects Undergoing Cataract Extraction With Lens Replacement (CELR)

Cataract

United States
ICARES Medicus, Inc.
AST Products, Inc.

Recruiting

Safety and Efficacy of the Bi-Aspheric Monofocal IOL

Cataract

Taiwan
Isfahan University of Medical Sciences

Recruiting

Effectiveness of Intrauterine Growth Hormone Administration as an add-on Therapy to Conventional Hormone Therapy Compared to Placebo in Patients With Thin Endometrium Undergoing Frozen Thawed Embryo Transfer

Infertility | Thin Endometrium | Infertility Female

Iran, Islamic Republic of

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