Active clinical trials for "Cataract"

The study compares the amounts of Vigamox absorbed when administered as eye drops or in a spray form. Both administrations will be prior to patients undergoing elective cataract surgery and the aqueous samples will be analyzed by a laboratory in a masked fashion. The hypothesis is that there will be no difference between the 2 modes of administration.

Cataract surgery is the most prevalent surgical procedure. Since most candidates are elderly patients, hypertension is common among these patients. Preoperative anxiety and tension may cause elevation of patient's heart rate and blood pressure and thus expose them to serious potential complications such as stroke and myocardial infarction. Medical clowns are known to reduce preoperative anxiety of both children and their parents. It is possible therefore that medical clown may have such a beneficial effect also on patients scheduled for cataract surgery under local anesthesia.

To determine whether AquaLase capsule wash reduces posterior capsule opacification (PCO) in pediatric eyes.

This study evaluates the visual performance and occurrence of posterior capsular opacification after implantation of a new aspherical intraocular lens compared with a control spherical lens of otherwise identical design.

This study is being conducted to evaluate the intraocular penetration of Moxifloxacin 0.5% ophthalmic solution (Vigamox) and Besifloxacin 0.6% ophthalmic suspension (Besivance) after pre-operative topical administration in subjects undergoing cataract surgery.

The purpose of this study is to evaluate the drug concentrations in the conjunctiva and aqueous humor of AzaSite™ compared to Vigamox® in subjects undergoing routine cataract surgery

Evaluate if the incidence of sub clinical CME can be significantly reduced by use of peri-operative Acular LS plus Pred Forte when compared with Pred Forte alone in normal cataract patients.

This study will use dynamic light scattering (DLS) technology to study normal lens aging and early cataract formation. Cataract is a clouding of the lens that interferes with the passage of light to the retina, impairing visual acuity. DLS uses a low intensity laser light (similar to that used in supermarket checkouts) to measure lens cloudiness. It detects changes in the human lens at the earliest molecular stages of cataract development, when anti-cataract treatment would be most effective in reversing, delaying or preventing cataract formation. Healthy normal volunteers and patients with age-related cataract between 18 and 80 years of age may be eligible for this study. Participants undergo the following tests and procedures: Medical history Eye examination, including the following: Measurement of visual acuity (vision chart) Measurement of eye pressure Dilation of the pupils for slit lamp (microscope) examination and grading of lens opacity Ultrasound examination of the eye to determine distances between cornea, lens (including lens thickness), and retina Examination of the retina at the back of the eye Dynamic light scattering of the lens (see below) Lens photography using a camera with a bright flash For the DLS procedure, the patient sits in front of the DLS device with his or her chin placed on a chin rest and fixes on a yellow target in the center of the camera lens. When the eye is properly aligned, DLS measurements are taken on the lens.

Cataract surgery is one of the most frequent surgeries carried out in the world. After cataract extraction an intraocular lens (IOL) is implanted in order to compensate for the crystalline lens power and correct patient's vision. In order to allow cataract extraction and IOL insertion, during the surgery a small incision is performed by the surgeon. This incision is performed using surgical knives, and a smaller incisión is associated with less postoperatory inflammation, faster corneal wound healing, and faster visual recovery. Several studies reported the importance of smaller incisions to reduce the risk of surgically induced astigmatism. In order to implant the IOL through this small incision, the IOL must be preloaded in a injector that allows introducing the IOL eficiently and consistently. The manual injector BIOLI manufactured by AST Products (model D), CE approved, is designed specifically to allow the IOL insertion safely, precisely, and controllably. Among the main characteristics of this delivery system is its design to minimize the incision size widening while inserting the IOL. The present retrospective study aims to provide more information with regards to the clinical efficacy of the BIOLI-D delivery system for the implantation of the trifocal Asqelio TFLIO130C IOL in patients submitted to cataract surgery. This will be assessed by analyzing the change in incision size after IOL implantation and the incidence of adverse events during and after the procedure.

Patient satisfaction and dry symptoms in patients undergoing routine uncomplicated cataract surgery in NHS patients treated with prophylactic phosphate-free, preservative-free lubricant eye drops (0.3% cross linked sodium hyaluronate, AEONTM Protect Plus and0.15% Sodium Hyalu-ronate with vitamins A and E, AEONTM Repair): A randomized, prospective, controlled study.