Clinical trials: Ophthalmic Surgery
Glaucoma Eye
Changes in Eye Pressure in Glaucoma Patients Treated with Istent Inject W, Monitored by a Contact Lens Sensor
The purpose of this study is to compare the IOP-related fluctuations using the CLS (contact lens sensor) Sensimed Triggerfish in glaucoma patients before and after glaucoma surgery with iStent inject W under physiological…
- Trial name
- NCT06607705
- Testing
- Monitoring with contact lens sensor
- Where
- 2 sites in Spain
- Volunteers
- 53 people
- Sponsor
- Fundacio Privada Mon Clinic Barcelona
Nystagmus
Eye Muscle Surgery to Treat Congenital Nystagmus
This study will examine the safety and effectiveness of a new surgical procedure to correct congenital nystagmus-a disorder of eye muscle-vision-brain coordination characterized by rapid to and fro eye movements (oscillation).
- Trial name
- NCT00001866
- Testing
- horizontal muscles of the eye will be cut and then reattached in the same position
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- National Eye Institute (NEI)
Fuchs' Endothelial Dystrophy, Cataract
Risk Assessment for Progression to DMEK Following Cataract Surgery in Fuchs Endothelial Corneal Dystrophy
Justification. Fuchs' corneal endothelial dystrophy (FECD) is one of the main causes of corneal transplantation. In many cases, the corneal decompensation derived from this dystrophy is triggered as a consequence of cataract…
- Trial name
- NCT04072029
- Testing
- Phacoemulsification with intraocular lens implantation
- Where
- Spain
- Volunteers
- 68 people
- Sponsor
- Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal
Ophthalmic, Surgery
Comparison of Desflurane Anesthesia Versus TIVA-TCI in Patients Undergoing Ophthalmic Ambulatory Surgery
This is a single-center, randomized, prospective research which aims to investigate the advantages and disadvantages between desflurane balanced anesthesia and TIVA-TCI with propofol in ophthalmic ambulatory surgery, so that to…
- Conditions
- Ophthalmic, Surgery, Anesthesia
- Trial name
- NCT02922660
- Testing
- desflurane, total intravenous anesthesia, inhalation anesthesia
- Where
- China
- Volunteers
- 209 people, healthy volunteers welcome
- Sponsor
- Xiaoliang Gan
Eye Abnormalities, Arrythmia
Relation Between Oculocardiac Reflex and Laryngospasm
The aim of this study is to evaluate whether there is a significant relation between various arrhythmias during the surgeon's stretching the eye muscles and laryngospasm and emergence agitation in strabismus surgeries
- Trial name
- NCT05339880
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- TC Erciyes University
Retinal Detachment
23-gauge Pars Plana Vitrectomy With Silicone Oil Injectionsilicone Oil Injection With Surgical
Objective: to evaluate anatomical and visual outcomes of 23-gauge vitrectomy for retinal detachment with silicone oil injection in fifty cases.
- Trial name
- NCT04280770
- Testing
- 23 PARS PLANA VITRECTOMY
- Volunteers
- 50 people
- Sponsor
- Ain Shams University
Strabismus, Strabismus Surgery
Parents' Experiences of Administration Eye Drops
This study aimed to determine the experiences of parents of children aged 2-6 years who underwent strabismus surgery in eye drop administration and the cooperation of their children.
- Trial name
- NCT07189273
- Where
- Turkey (Türkiye)
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Uludag University
Ocular Surface Disease
Investigator-initiated Clinical Trial to Observe Conjunctival Goblet Cell Using an Anterior Segment Imaging Device
Conjunctival goblet cells secrete mucin, vital for tear film stability. Dysfunction can cause tear film issues and lead to diseases like dry eye. Imaging these cells is crucial for diagnosis and treatment.
- Trial name
- NCT06427629
- Testing
- Imaging of conjunctival goblet cell
- Where
- South Korea
- Volunteers
- 148 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Dry Eye Disease, Cataract
The Pattern of Dry Eye Disease After Cataract Surgery
This study is designed to explore dry eye disease (DED) pattern: ocular surface, corneal morphological changes, patients' subjective assessment of DED and their correlations with ocular surface inflammation, pain biomarkers after…
- Conditions
- Dry Eye Disease, Cataract, Ocular Surface Disease
- Trial name
- NCT06298890
- Testing
- Artificial tears (sodium hyaluronate 0.2%)
- Where
- Lithuania
- Volunteers
- 100 people
- Sponsor
- Lithuanian University of Health Sciences
Diabetic Retinopathy
Changes of Macular Vasculature After Uncomplicated Phacoemulsification Surgery Using Optical Coherence Tomography Angiography
To record the vascular changes that may be present in the macular after uncomplicated phacoemulsification surgery by using OCTA, a comparative study between healthy and diabetic patients
- Trial name
- NCT04594603
- Testing
- Phacoemulsification for cataract
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Tanta University
Deprivation Amblyopia, Congenital Cataract
Augmented Reality Training for Amblyopia After Congenital Cataract Surgery
This study will evaluate whether augmented reality training is effective and safe for treating unilateral amblyopia after congenital cataract surgery in children.
- Trial name
- NCT07693790
- Testing
- Augmented Reality Amblyopia Training, Conventional Patching
- Volunteers
- 88 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Endothelial Cell Loss, Corneal, Cataract and Intraocular Lens (IOL) Surgery
Effect of Vitamin C Supplementation in Corneal Endothelial Damage in Phacoemulsification of Patients with Hard Cataracts
The goal of this clinical trial is to analyze the protective effects of oral ascorbic acid on the corneal endothelial layer undergoing oxidative stress due to phacoemulsification in patients with hard cataracts.
- Trial name
- NCT06781970
- Testing
- Oral Vitamin C
- Where
- 2 sites in Indonesia
- Volunteers
- 120 people
- Sponsor
- Universitas Indonesia
Eye Diseases
Next Generation Ophthalmic Irrigating Solution Posterior Segment Study
The purpose of this study is to evaluate the safety of Next Generation Ophthalmic Irrigating Solution (NGOIS) compared to BSS PLUS for use during surgery for removal of epimacular membrane and vitrectomy.
- Trial name
- NCT00333203
- Testing
- Next Generation Ophthalmic Irrigating Solution (NGOIS), BSS Plus
- Where
- United States
- Volunteers
- 369 people
- Sponsor
- Alcon Research
Cataract, Pseudoexfoliation Syndrome
Long-term Intraocular Lens (IOL) Decentration and Tilt in Eyes With Pseudoexfoliation Syndrome (PES) Following Cataract Surgery
To evaluate long-term intraocular lens (IOL) decentration and tilt in eyes with pseudoexfoliation syndrome (PES) following cataract surgery using Visante anterior segment OCT and iTrace Visual Function Analyzer.
- Conditions
- Cataract, Pseudoexfoliation Syndrome, Pseudophakia
- Trial name
- NCT03453827
- Testing
- no intervention
- Volunteers
- 37 people
- Sponsor
- Hospital Hietzing
Ophthalmic
Bispectral Index Monitoring In Pediatric Cataract Surgery: A Comparative Study Using Propofol-Midazolam Versus Sevoflurane Anesthesia
Ocular alignment will be studied in children having cataract surgery that will be divided into two groups, one group will be anesthetized using sevoflurane anesthesia (group A), and the other will be anesthetized by midazolam…
- Trial name
- NCT05262205
- Testing
- measuring depth of anesthesia and its relation to the globe
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Anesthesia Complication
Perioperative Complications of Deep Extubation in Adults
The investigators propose a prospective observational cohort study in order to investigate the perioperative respiratory complications of deep extubation in adults undergoing eye and head-and-neck surgery at Massachusetts Eye and…
- Trial name
- NCT04557683
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Cataract
Comparison of Clinical Outcomes After Cataract Surgery With and Without Capsular Tension Ring
This study was set up to identify clinical outcomes including a refractive shift or change in IOL calculation accuracy and optical quality after Ophtec® capsular tension ring in the eyes without zonular instability.
- Trial name
- NCT02183831
- Testing
- Insertion of the capsular tension ring
- Volunteers
- 52 people
- Sponsor
- Yonsei University
Outcome of Stepped Cataract Surgery in Uveitis
Stepped Surgery in Uveitic Cataract: A Novel Approach to a Quiet Eye
This study aims to assess the short-term results of primary phacoemulsification and secondary posterior chamber intraocular lens (PCIOL) implantation in patients with uveitis.
- Trial name
- NCT04931277
- Testing
- cataract surgery
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Mansoura University
Trachomatous Trichiasis
A Trial of Epilation Verses Surgery for Minor Trichiasis
Trachoma is the leading infectious cause of blindness worldwide. Recurrent infection by Chlamydia trachomatis causes a gradual scarring process of the inner surface of the eyelid (conjunctiva) leading to in-turning of the eyelids…
- Trial name
- NCT00522912
- Testing
- Trichiasis surgery, Epilation
- Where
- Ethiopia
- Volunteers
- 1,300 people
- Sponsor
- London School of Hygiene and Tropical Medicine
Cystoid Macular Edema, Postoperative, Diabetes Mellitus
Effect of Preoperative Topical Ketorolac on Aqueous Cytokine Levels and Macular Thickness in Cataract Surgery Patients
The purpose of this study is to determine whether there is a relationship between inflammatory cytokines in the aqueous of the eye and thickness of the macula after treatment of topical ketorolac for patients undergoing cataract…
- Trial name
- NCT02646072
- Testing
- Ketorolac tromethamine ophthalmic solution 0.45%
- Where
- Malaysia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Malaya
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