Clinical trials: Ectopia Lentis
Ectopia Lentis, Lens Subluxation or Dislocation
Efficacy of Visual and Perceptual Training on Visual Function for Operative Congenital Ectopia Lentis Children
This is a multi-centre, open-label, parallel-group randomized controlled trial with the following objectives: Firstly, the investigators aim to evaluate the efficacy of web-based visual and perceptual training therapy on visual…
- Trial name
- NCT07096622
- Testing
- perceptual learning visual treatment,HVT
- Where
- 2 sites in China
- Volunteers
- 82 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Congenital Ectopia Lentis
Influence of Different Needle Insertion Positions on the Clinical Efficacy of Suture-Fixated Transscleral IOL Implantation Without Knots
This is a single-blind, single-center, parallel-group randomized controlled trial with the following objectives: First, researchers aim to compare the clinical efficacy of 2mm and 2.5mm post-limbal needle insertion in sutureless…
- Trial name
- NCT07252349
- Testing
- Transscleral Suture-Fixated Intraocular Lens Implantation (Suture Needle Insertion at 2.5 mm Posterior to the Limbus)
- Where
- China
- Volunteers
- 54 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Marfan's Syndrome With Ocular Manifestations, Pseudoexfoliation Syndrome
The Oscillation of Crystalline and Intraocular Lenses
The crystalline lens of the human eye helps to sharpen vision. There can be issues with the support/stability of the lens. This could be seen with the naked eye of an external observer or with the use of a slit lamp.
- Conditions
- Marfan's Syndrome With Ocular Manifestations, Pseudoexfoliation Syndrome, Cataract, Phakodonesis
- Trial name
- NCT04274634
- Where
- 2 sites in United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Congenital Ectopia Lentis
Effect of Different Needle Insertion Positions on the Clinical Outcomes of YAMANE Technique
This is a single-blind, single-center, parallel-group randomized controlled trial with the following objectives: First, researchers aim to compare the clinical efficacy of 2mm and 2.5mm post-limbal needle insertion in YAMANE…
- Trial name
- NCT07446829
- Testing
- YAMANE technique(Suture Needle Insertion at 2.5 mm Posterior to the Limbus)
- Where
- China
- Volunteers
- 54 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Ectopia Lentis
Effect of Mobile Communication on Congenital Ectopia Lentis Follow-up Adherence
Regular follow-up is essential to successful management of congenital ectopia lentis, but it is often ignored by parents in China.
- Trial name
- NCT05628129
- Testing
- smartphone application service and phone reminder
- Where
- China
- Volunteers
- 110 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Complications
Incidence and Risk Factors of Ocular Complications Among Patients With Homocystinuria
Background: Cysteine beta-synthase (CBS) deficiency, often known as classic homocystinuria (HCU), is an uncommon inborn mistake in methionine metabolism.
- Trial name
- NCT06545305
- Testing
- Lensectomy and vitrectomy
- Where
- Saudi Arabia
- Volunteers
- 6 people
- Sponsor
- King Fahad Armed Forces Hospital
Ectopia Lentis, Dislocation, Lens
Follow up Study on Visual Prognosis and Complications of Ectopia Lentis Lens
This is a single-centre, observational cohort study with the following objectives: Firstly, the investigators aim to evaluate the vision-related quality of life and mental health status in congenital ectopia lentis patients.
- Trial name
- NCT05654025
- Where
- China
- Volunteers
- 604 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Aphakia
Artisan Aphakia Lens for the Correction of Aphakia in Children
The purpose of this study is to determine the safety and effectiveness of the Artisan Aphakia Lens in the treatment of aphakia in children.
- Trial name
- NCT01547442
- Testing
- Artisan Aphakia Intraocular Lens
- Where
- 19 sites in United States, Canada
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Ophtec USA
Marfan Syndrome, Ectopia Lentis
Classifying Ectopia Lentis in Marfan Syndrome Into Five Grades of Increasing Severity
Marfan syndrome is characterized by musculoskeletal manifestations, cardiovascular disease and ocular abnormalities, particularly ectopia lentis.
- Trial name
- NCT04319107
- Testing
- ophthalmological examinations using a slit lamp bio microscopy and a three-mirror lens, standard procedure.
- Where
- France
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon