Clinical Trials About "Sham Argon Laser Treatment Pterygium" RSS

18:28 EST 15th January 2019 | BioPortfolio

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Showing "Sham Argon Laser Treatment Pterygium" Clinical Trials 1–25 of 17,000+

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Treatment of Primary Type I Pterygia With Argon Laser

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...

Branch Vein Occlusion Study

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.

Krypton-Argon Regression of Neovascularization Study (KARNS)

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...

Comparison of Argon Laser and Radiofrequency in Trichiasis Treatment

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.

Glaucoma Laser Trial (GLT) Glaucoma Laser Trial Followup Study (GLTFS)

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.

Clinical Outcomes of Femtosecond Laser-assisted Pterygium Surgery (FLAPS)

The study will be a pilot interventional case series aiming to treat 30 patients with Femtosecond Laser-assisted Pterygium Surgery (FLAPS). All patients included will undergo FLAPS in one eye. All procedures will be performed in SNEC by fully qualified surgeons. The doctor is informed of the procedure on the day of.

Laser Treatment of Genito-urinary Syndrome in Women

Women with genitourinary syndrome of menopause, with breast or endometrial cancer are randomized to either laser treatment og sham treatment for 3 months. The randomization is stratified for estrogen treatment. The effect is evaluated by questionnaire, histology and microbiology swaps

Randomized Prospective Study of Selective Laser Trabeculoplasty (SLT) Versus Argon Trabeculoplasty (ALT) in Patients With Pseudoexfoliation Glaucoma and Ocular Hypertension

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.

Advanced Glaucoma Intervention Study (AGIS)

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.

Safety and Efficacy of CBT-001 Ophthalmic Solution in Patients With Pterygium

1. CBT-001 administered three times daily (TID) for 4 weeks has an acceptable safety profile when used in pterygium patients 2. CBT-001 administered TID for 4 weeks is more effective than the vehicle in reducing pterygium vascularity and inhibiting pterygium lesion growth 3. CBT-001 administered as topical ocular dosing displays negligible systemic drug exposure

Micropulse 810 Nanomolar (nm), Diode Laser for Diffuse Diabetic Macular Edema

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 in Glaucoma: A Randomized Study Comparing Titanium-Sapphire With Argon Laser Trabeculoplasty in Open-Angle Glaucoma Patients

Titanium Sapphire laser trabeculoplasty is effective in lowering intraocular pressure in glaucoma patients, and is comparable to argon laser trabeculoplasty

Effect of Pterygium Excision on Intraocular Lens Power Calculation for Subsequent Cataract Operation

Pterygium is known to induce with-the-rule astigmatism. Excision of pterygium will steepen the cornea and reduce corneal astigmatism. We postulate that the alteration of keratometry reading will indirectly affect the IOL power calculation in cases with concurrent pterygium and cataract. Concurrent pterygium and cataract is common in Hong Kong and other tropical regions. The effect of pterygium excision on intraocular lens power calculation is investigated.

The Effects of Primary Pterygium on Contrast Sensitivity Preoperatively and Postoperatively

Pterygium is the growth of conjunctival tissue onto the cornea, usually from the nasal quadrant of the cornea.Visual acuity may be reduced due to direct invasion of the visual axis or astigmatism induced by the pterygium. Contrast sensitivity measures two variables, size, and contrast which could comprehensively reflect the visual quality of the primary pterygium patients. In this study, we would investigate the the effects of primary pterygium on contrast sensitivity preoperat...


Corneal Epithelial Autograft for Pterygium

The purpose of the study is to explore whether femtosecond laser-assisted cornea epithelial autograft is more effective than limbal conjunctival autograft for ocular surface reconstruction after excision of pterygium.

Surgical Result of Pterygium Extended Removal Followed by Fibrin Glue Assisted Amniotic Membrane Transplantation

The treatment of pterygium is still quite controversial. Previous studies using a large incision for pterygium excision and a large graft and has reported a very low recurrence rate with the P.E.R.F.E.C.T. technique. However, the P.E.R.F.E.C.T. technique is a relatively lengthy procedure and may not be suitable for patient with limited conjunctival reserve. Thus, we try to evaluate the final outcome of a sutureless amniotic membrane transplant technique combining the extended p...

Early Treatment Diabetic Retinopathy Study (ETDRS)

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...

Randomized, Double Blind Trial of Bromfenac BID (0.09%) as an Adjunct to Argon Laser Therapy in the Treatment of Diabetic Macular Edema.

: 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...

Safety Study of Avastin Used as Adjunctive Therapy in Pterygium Surgery

This study will evaluate the efficacy and safety of the use of bevacizumab (Avastin) as an adjunctive medication during pterygium surgery in preventing pterygium recurrence. A pterygium is a white fleshy growth on the surface of the eye, which can be removed surgically. However, after surgical removal, pterygia can recur. One way of minimizing recurrence is by applying a medication called mitomycin C to the surface of the eye during pterygium surgery. However, mitomycin is ...

SOLX Titanium Sapphire Laser for Trabeculoplasty

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.

Low-level Laser Therapy in Patients With Chronic Fibromyalgia

The purpose of this study is to examine the use of low level therapeutic laser (LLLT) for its effects on pain, fatigue, and physical function in individuals with fibromyalgia.

Pterygium Head Body MMC1: Two Different Surgical Procedures and Their Effect on Endothelial Cell Count.

To evaluate changes in endothelial cell count after pterygium surgery with mitomycin C (MMC) 0.02%

ALPI vs Medical Therapy Effects on Optic Nerve Structure & Function

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...

Cauterization Versus fibrin Glue for Conjunctival Autografting in Primary Pterygium Surgery

Pterygium is a noncancerous growth of the conjunctival tissue over the cornea. It is a progressive disease that may lead to visual impairment in advanced stages, as well as restriction of ocular motility, chronic inflammation and cosmetic concerns. Surgical removal is the treatment of choice, but recurrence of pterygium is a frequent problem. In this randomized controlled cauterization will be compared with fibrin glue for conjunctival autografting in primary pterygium surgery...

New Horizons in the Treatment of Vitreous Floaters

The Ultra Q Reflex® (Ellex) constitutes the only Nd:YAG laser approved for the treatment of vitreous floaters. No randomized controlled clinical trial has been carried out to this day in order to investigate its superiority over sham treatment. In the present study, 60 eyes will be randomized and blinded into 2 groups, one receiving up to two sessions of laser vitreolysis the other scheduled for two sessions of sham treatment. After a maximum of two (sham) treatment sessions ...

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