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We list hundreds of Clinical Trials about "Treatment of Primary Type I Pterygia With Argon Laser" on BioPortfolio. We draw our references from global clinical trials data listed on ClinicalTrials.gov and refresh our database daily.
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Introduction: Pterygium is a wing shape degenerative and hyperplastic growth of the bulbar conjunctiva extending onto the cornea, most commonly on the nasal side. Management of pterygium can be medical, surgical or combined. Alternative treatments as photocoagulation of blood vessels of the pterygium, have been described, especially in recurrent pterygia. Objectives: To determine whether Argon laser treatment reduces the symptoms and pterygium size in primary type I pterygia p...
To determine whether scatter argon laser photocoagulation can prevent the development of neovascularization. To determine whether peripheral scatter argon laser photocoagulation can prevent vitreous hemorrhage. To determine whether macular argon laser photocoagulation can improve visual acuity in eyes with macular edema reducing vision to 20/40 or worse.
To compare the safety and long-term efficacy of argon laser treatment of the trabecular meshwork with standard medical treatment for primary open-angle glaucoma.
To evaluate whether red krypton laser treatment is as effective at causing regression of diabetic disc neovascularization as treatment with the blue-green argon laser, when both lasers are used with identical panretinal photocoagulation patterns. To assess the vision of study patients. To test the feasibility of a prototype NEI-sponsored multicenter clinical trial in which participating clinics are not financially reimbursed and in which both the Coordinating and Fundus...
In this clinical trial study,the investigators intend to compare two methods of trichiasis treatment.One by argon laser and the other by radiofrequency then compare the result of these procedures, especially, the investigators would like to compare which of these have less complications such as bleeding,pain,notch in the site of surgery and etc.
: The objective of this study is to determine if bromfenac reduces diabetic macular edema (DME) as an adjunct to argon laser therapy (ALT). Leading cause of Blindness in the working-aged population in the United States. 60% of patients with Type-II DM, and nearly all with Type-I DM progress to Diabetic Retinopathy (DR) in twenty years. Diabetic Macular Edema is the principal cause of vision loss in DR. Approximately 50% of patients with DME will experience a loss of >=2 lines o...
15 eyes of 15 patients with primary double-headed pterygia that underwent vertical split conjunctival autograft pterygium surgery were retrospectively reviewed. All patients had primary double-headed pterygia. Recurrence was defined as fibrovascular proliferation over the limbus onto the cornea. Vertical split conjunctival autograft using fibrin glue is an effective technique with good cosmetic results and low to no recurrence for primary double head pterygia treatment.
Multi-center, prospective, randomized, controlled clinical trial to compare selective laser trabeculoplasty (SLT) and Argon laser trabeculoplasty (ALT) in pseudoexfoliation glaucoma and ocular hypertension patients. IOP will be recorded, at baseline, 6 weeks, 6 months and 1 year after the laser procedure.
To assess the long-range outcomes of sequences of interventions involving trabeculectomy and argon laser trabeculoplasty in eyes that have failed initial medical treatment for glaucoma.
Objective: To compare micropulse 810nm diode laser photocoagulation versus argon laser photocoagulation for treatment of diabetic macular edema. Micropulse laser technique will be determined by an initial clinical trial comparing single versus double density laser photocoagulation techniques for treatment of diabetic macular edema.The single density is based on the Early Treatment Diabetic Retinopathy Study (ETDRS) grid photocoagulation technique and the double density increa...
Titanium Sapphire laser trabeculoplasty is effective in lowering intraocular pressure in glaucoma patients, and is comparable to argon laser trabeculoplasty
To evaluate laser treatment of choroidal neovascularization (CNV) through randomized, controlled clinical trials. The Macular Photocoagulation Study (MPS) consisted of three sets of randomized, controlled clinical trials. Change in best-corrected visual acuity from baseline was the primary outcome for all MPS trials. Other measures of vision are evaluated in each set of trials. The purpose of each is described below. Argon Study: To determine whether argon blue-green laser p...
To evaluate the effectiveness of both argon laser photocoagulation and aspirin therapy in delaying or preventing progression of early diabetic retinopathy to more severe stages of visual loss and blindness. To help determine the best time to initiate photocoagulation treatment in diabetic retinopathy. To monitor closely the effects of diabetes mellitus and of photocoagulation on visual function. To produce natural history data that can be used to identify risk fa...
Laser Trabeculoplasty has been shown to be effective in lowering intraocular pressure (IOP) in patients with primary open-angle glaucoma (POAG). Although initially demonstrated with the Argon laser (ALT), several other laser systems have also been employed with comparable efficacy. Recently, Selective Laser Trabeculoplasty (SLT) has been shown to lower intraocular pressure comparable to ALT. The advantage of SLT is that the target eye structure, the trabecular meshwork, remai...
Use of the Titanium Sapphire laser for laser trabeculoplasty to reduce intraocular pressure in patients with poorly controlled intraocular pressure on maximally tolerated medical therapy or prior failed laser trabeculoplasty.
The aim is to determine which approach, immediate argon laser peripheral iridoplasty or conventional systemic medical treatment efficiently breaks acute angle closure attack without consequent visual morbidities. The specific objectives are to see whether sudden intraocular pressure(IOP) lowering brought about by laser iridoplasty or medical treatment affects optic nerve head structure and function and identify if immediate decompression is associated with greater incidenc...
This is a randomized study with two treatment arms: 'initial Selective Laser Trabeculoplasty (SLT) followed by conventional medical therapy as required' ('Laser-1st') and 'medical therapy without laser ('Medicine-1st'). It compares quality of life in the two arms at three years, while also examining the incremental cost and cost-effectiveness of Laser-1st versus Medicine-1st.
The aim of this study is to evaluate the efficacy, the safety and the main predictors of success of bronchoscopic Argon Plasma Coagulation in patients with hemoptysis caused by endobronchial malignancies.
The purpose of this research project is to study the effect of non-ablative (non-cutting) laser therapy, a technique that uses laser energy to try to improve the appearance of the skin. This type of laser treatment creates changes in a layer of the skin called the dermis without causing an open wound in the skin. The use of non-ablative laser therapy, together with application of a photo-sensitizer (substance that makes the skin more sensitive to light), may improve the appear...
comparison results of treatment of early stage glottic cancer between two methods of surgical treatment - CO2 laser and KTP laser
This study is being done to compare the efficacy of an FDA cleared laser device with other similar systems in the market for the treatment of leg veins and hair removal in patients with darker skin type.
No single type of laser or set of laser parameters is appropriate for all type of irides. Pure Nd:YAG laser iridotomy is very effective in the light color irides. It was considered as the gold standard for iridotomy. It, however, is less effective and causes some complication such as iris hemorrhage especially in patients with dark iris.
The primary objective of this pilot study is to compare the functional and anatomic outcomes of chronic macular edema secondary to branch retinal vein occlusion (BRVO) treated with argon laser photocoagulation versus intravitreal ranibizumab (Lucentis®) injection versus a combination of both.
Argon laser trabeculoplasty (ALT) with 100 ms pulses is an effective therapy for lowering intraocular pressure (IOP). Similar reductions in IOP have been achieved using ns (SLT) and microsecond (MLT) pulses, which produce less thermal damage to trabecular meshwork (TM). Lack of clinically visible changes may make the accurate alignment of subsequent pulses difficult. We describe a novel technique - Patterned Laser Trabeculoplasty (PLT) using the PASCAL Photocoagulator system, a...
To compare the long-term effect of treating newly diagnosed open-angle glaucoma with standard medical treatment versus filtration surgery.