Clinical Trials About "LENSAR receives Clearance micro radial incisions refractive cataract" RSS

20:04 EDT 23rd October 2019 | BioPortfolio

We list hundreds of Clinical Trials about "LENSAR receives Clearance micro radial incisions refractive cataract" on BioPortfolio. We draw our references from global clinical trials data listed on and refresh our database daily.

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Showing "LENSAR receives Clearance micro radial incisions refractive cataract" Clinical Trials 1–25 of 2,300+

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Cataract Refractive Suite Study

The purpose of this study is to compare the refractive predictability (prediction error) between the Cataract Refractive Suite (CRS) and standard manual technique at one month post-operative

Binocular Vision Anomalies After Cataract and Refractive Surgery

There are indications in the literature that binocular vision disorders may occur after cataract and corneal refractive surgery. It is not clear whether these problems are new or represent decompensation of previously existing conditions. However, the following significant study limitations exist in the current literature: 1) lack of attention to non-strabismic binocular vision disorders, 2) incomplete binocular vision assessment, 3) a validated symptom survey was not used, 4) ...

Developing an Atlas to Teach Nurses to Clean Micro-instruments Used in Cataract Surgery: Effect on Patient Safety

Aims and objectives The purpose of this study was to develop an atlas to explore the effect of micro-instrument cleaning on the safety of cataract surgery. Background Cataract surgery safety is affected by many factors, the most influential of which is the quality of instrument cleaning. Previous studies focused on the reaction in the eye after cataract surgery. None offered a solution for manually cleaning ophthalmic micro-instruments or response data for surgical instruments...

The Effect Of Lifitegrast On Refractive Accuracy And Symptoms In Dry Eye Patients Undergoing Cataract Surgery

To determine if Xiidra® lifitegrast plays a role in the refractive accuracy when administered to patients preoperatively who are scheduled for cataract surgery and have a tear break up time (TBUT) ≤ 10 seconds and central corneal staining as defined by the Oxford scale


Effect of TrueTear Corneal Surface Imaging

This study will evaluate the utility of TrueTear™ to improve anterior corneal surface imaging quality before cataract surgery, refractive lens exchange, or laser refractive surgery.

Precisight® Intraocular Lens Implantation for Cataract Treatment

The purpose of this study is to determine the refractive outcomes and optimize the clinical features of a new intraocular lens intended to treat the senile cataract.

Phacoemulsification Versus Phacoemulsification With Micro-bypass Stent

Assessing the safety and efficacy of a micro-bypass stent in combination with cataract surgery in subjects with primary angle closure. Subjects are randomized into two arms: phacoemulsification cataract surgery alone versus phacoemulsification cataract surgery combined with the micro-bypass stent implantation. Post surgery intraocular eye pressure will be recorded to assess the efficacy of both arms.

Comparison of Two Radial Artery Segments Related to "Old-Fashioned" Radial and New Snuff Box Vessel Approach by US

The purpose of this study is to determine if there is a difference in the size and the depth of the radial artery at the access points for established radial and new distal radial approach for the arteries of both arms

Improving Vision and Quality of Life in the Nursing Home

The primary purpose of this study is to evaluate whether interventions to improve vision in nursing home residents have an impact on residents' health-related quality of life. The interventions being evaluated are correction of refractive error (near-sightedness, far-sightedness, presbyopia) and cataract surgery.

High Resolution Immersion Ultrasound for iIOL Power Calculation

Assess is the additional use of high resolution immersion ultrasound measurements improve the refractive outcome after cataract surgery.

Shanghai Eye Study for Older People

Blindness and visual impairment severely impact the visual health and life quality of people, particularly the 2.566 million senior citizens aged at 65 and above in Shanghai. The main reason is uncorrected refractive error, of which, 62.1% can be solved through refractive correction. For this reason, the uncorrected refractive errors of 154,000 senior citizens in Shanghai can be taken as a priority among the public health issues to prevent blindness. Now, with the aim to reduce...

Safety and Effectiveness Study of Ascension's PyroCarbon Radial Head Compared to Ascension's Metal Radial Head

The purpose of this study is to determine if the Ascension PyroCarbon Radial Head is safe and effective in the treatment of arthritis, fractures, symptoms from radial head resections, and failed radial head implants.

Clinical Research of Femtosecond Laser-Assisted Cataract Surgery

Since femtosecond laser was approved for cataract surgery by FDA in 2010, femtosecond laser assisted cataract surgery (FLACS) has demonstrated high precision of capsulotomy, reduced phacoemulsification power and time, and comparable refractive outcome in clinic. It is still unknown whether there are toxic substances produced due to photochemical or high-energy physical effect of femtosecond laser during FLACS.

Implantation of a Trifocal Hydrophobic IOL in Patients That Underwent Refractive Surgery

Controlled, open label, prospective Post Market Clinical Follow-Up, single-center clinical study to investigate visual performance after implantation of a trifocal IOL (PhysIOL Pod L GF) in patients that underwent refractive surgery.

Multifocal Intraocular Lens x Monovision x Hybrid Monovision After Bilateral Cataract Surgery

To compare refractive outcomes and patient's visual quality after bilateral cataract surgery when implanting multifocal intraocular lens, monofocal with monovision or hybrid monovision.

Auditing of Poor Visual Outcomes After Un-eventual Cataract Surgery

Globally, cataract is the major cause of blindness accounting for 51% of total blindness and there are regional variations in it. Today, cataract surgery is a highly successful and cost-effective procedure, which enhances both the vision and quality of life of patients. Visual acuity alone should not be used as a criterion for planning cataract surgery, since visual acuity and function do not necessarily correlate. Therefore, there is a need to review our criteria for manageme...

Nitroglycerin as Spasmolytic Regimen for RAS Prevention in Radial Centers

The investigators will investigate whether administration of Nitroglycerin (NTG) as spasmolytic regimen reduces the incidence of moderate to severe radial artery spasm (RAS) in patients with transradial catheterization in experienced radial centre with experienced radial operators.

Study of an Implantable Device for Lowering Intraocular Pressure in Glaucoma Patients Undergoing Cataract Surgery

This study is to evaluate the safety and efficacy of the CyPass Implant for lowering intraocular pressure in patients with glaucoma who undergo cataract surgery.

Evaluating Refractive and Visual Outcomes With the Alcon Toric ReSTOR +2.5 and +3.0 Models

The study will evaluate visual acuity and visual function with a 'blended' ReSTOR Toric intraocular lens (IOL) implantation after cataract surgery.

A Study to Assess Long-Term Safety of the Transcend CyPass Micro-Stent in Patients Completing the COMPASS Trial

This is an observational study involving patients who completed the COMPASS Trial, in which the Transcend Medical CyPass Micro-Stent was evaluated through 2 years postoperatively . In the COMPASS-XT study, clinical data will be collected on participating subjects for an additional 3 years.

Optimizing the Assessment of Refractive Outcomes After Cataract Surgery

The purpose of this study is to evaluate current available assessments (automated vs. manual) with which manifest refraction data and biometric variables are obtained to understand if data from an automated refractor can be utilized to optimize the A-constant as well as manual subjective refraction (ie, to a clinically insignificant difference). The A-constant is the calculated number that helps the surgeon determine which IOL should be implanted in the eye during cataract surg...

Shanghai Pediatric Cataract Study

The purpose of this study is to evaluate the long-term visual outcome of the cataract surgery using a large-scale and comprehensive database of pediatric cataract patients, including congenital and traumatic cataract. We will further investigate into the various genetic and environmental factors that may contribute to the pathogenesis of pediatric cataract.

Prevention of Radial Artery Occlusion After Trans-radial Cardiac Catheterization

Data from literature: transradial access failure sometimes occurs due to inability to cannulate the radial artery due to radial artery spasm1 causing severe difficulties in manipulation of the guide wires and catheters along the tortuous pathways of the arteries. both mechanical stimuli and circulating catecholamines through activation of α1-adrenoreceptors, causing smooth muscle cell contraction & radial artery spasm

Rotation of an Intraocular Lens - HOYA Vivinex iSert P261

Age-related cataract is the main cause of impaired vision in the elderly population worldwide. In the UK, more than half of people who are over 65 years old have some cataract development in one or both eyes. The only treatment that can restore functional visual ability is cataract surgery where the opacified crystalline lens is removed by phacoemulsification and an artificial intraocular lens is implanted. It is estimated that around 10 million cataract operations are performe...

A 8 Weeks Study With 4 Weeks of Follow-up to Evaluate Preliminary Efficacy and Safety of Recombinant Human Nerve Growth Factor Eye Drops Solution Versus Vehicle in Patients After Cataract and Refractive Surgery

The proposed phase II study is a single-centre, randomized, double masked, parallel arm, vehicle-controlled trial, designed to evaluate the preliminary efficacy and safety of rhNGF eye drops at 20 µg/ml concentration administered six times daily for 8 weeks in patients who underwent cataract and corneal refractive surgery, both known to damage the corneal sensory nerve plexus. After confirmation of inclusion and exclusion criteria all eligible patients will be randomize...

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