Search clinical trials for: lens thickness

Total 4449 results

University of Cologne
The Clinical Trials Centre Cologne; ESCRS (European Society of Cataract and...

Not yet recruiting

Trial Comparing Cataract Surgery With Triple-DMEK in Patients With Cataract and Fuchs Endothelial Corneal Dystrophy

Cataract Surgery | Cataract and Fuchs Endothelial Corneal Dystrophy

Denmark, Germany, Netherlands, Spain
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
Asociación para Evitar la Ceguera en México

Withdrawn

A-mode vs PalmScan Ultrasonography: Biometric Measurements.

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

Mexico
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
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
Samaritan Biologics
Emergent Clinical Consulting, LLC

Not yet recruiting

Evaluating the Efficacy of Perinatal Membrane Allografts for the Treatment of Diabetic Foot Ulcers.

Diabetic Foot Ulcer
Hospital San Carlos, Madrid

Recruiting

Efficacy and Safety of Atropine and DIMS Lenses in Controlling Myopia in Children: A Randomized Clinical Trial. (DIMS)

Myopia

Spain
Zhongshan Ophthalmic Center, Sun Yat-sen University
West China Hospital; Beijing Tongren Hospital; Eye & ENT Hospital of Fudan University and other collaborators

Not yet recruiting

Vision Test App and Questionnaire for 1-Week Post-Cataract Surgery Follow-Up: A Multi-Center Randomized Controlled Trial

Cataract Senile
Carl Zeiss Meditec AG

Not yet recruiting

Evaluation of a Monofocal Intraocular Lens (PRECISE)

Cataract
Ankara City Hospital Bilkent

Not yet recruiting

Relationship Between Preoperative Subcutaneous Trochanteric Fat Thickness and Postoperative Infection Risk

Hip Infection

Turkey
Southern College of Optometry

Not yet recruiting

Higher Order Aberration and Relationship With Soft Contact Lens Modulus

Corneal Wavefront Aberration
Gaziosmanpasa Research and Education Hospital

Recruiting

Ultrasonographic Measurement of Diaphragmatic Thickness in Adolescents With Thoracal Hyperkyphosis

Spine Deformity | Diaphragm Issues | Hyperkyphosis

Turkey
Gaziosmanpasa Research and Education Hospital

Recruiting

The Effect of Three-dimensional Exercise (Schroth Exercise) on Diaphragm Thickness in Adolescent Idiopathic Scoliosis Patients

Scoliosis | Scoliosis Idiopathic | Scoliosis; Adolescence | Spine Deformity | Diaphragm Issues

Turkey
Tego Science, Inc.

Recruiting

A Phase 2b/3 Study of TPX-115 on Partial-thickness Rotator Cuff Tear

Partial Thickness Rotator Cuff Tear

Korea, Republic of
Suzhou Kerui Medical Technology Co., Ltd
Suzhou Mingshi Optical Technology Co., Ltd

Recruiting

A Clinical Trial to Evaluate the Efficacy and Safety of Defocusing Lenses in Delaying Myopia Progression

Myopia

China
Alcon Research

Not yet recruiting

Post-market Clinical Follow-up Study of Alcon TOTAL30® Contact Lenses (Lehfilcon A)

Astigmatism | Myopia | Hyperopia | Ametropia

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

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