View clinical trials related to Capsule Opacification.
Filter by:Multicenter, randomized, evaluator-blinded clinical trial compared to Prednisolone acetate, 1% in the treatment of inflammation and pain after cataract surgery in pediatric population. This study will assess the safety of Clobetasol propionate ophthalmic nanoemulsion, 0.05% to that of Prednisolone acetate, 1% when administering one drop four times a day (QID) for 14 days followed by a tapering period of 14 days after cataract surgery.
The investigators aim to compare the visual performance of the most recently introduced extended depth of focus intraocular lenses ; AcrySofTM IQ VivityTM and TECNIS SynergyTM ( an extended depth of focus IOL ) regarding the range of vision (using defocus curve ) , contrast sensitivity( through the modulation transfer function curves ) and their effect on ocular aberrations as the ivestigators believe that proper study of these aspects could influence the investigators choice and guidance to the cataract patient about the most suitable presbyopia correcting IOL .
The purpose of this study is to assess the safety and efficacy of K-321 in subjects after cataract surgery
The most prevalent long term consequence of cataract surgery in both phacoemulsification and extracapsular cataract excision is posterior capsular opacification (PCO) PCO occurred in 11.8 percent of patients one year after surgery, 20.7 percent in three years, and 28.4 percent in five years . It causes lower visual acuity, decreased contrast sensitivity, stereoscopic vision, increases glare and monocular diplopia. The pathogenesis of PCO is dependent on the growth of lens epithelial cell remnants in the intracapsular region. Continuous curvilinear capsulorhexis, good hydro dissection, efficient removal of cortical and lenticular epithelial cells, in-the-bag IOL implantation, and the use of single-piece acrylic sharp edges IOLs are all factors in PCO avoidance. Intraoperatively, anti-metabolites such as 5-fluorouracil and mitomycin C may also be utilized. Fortunately, the overall prevalence of PCO and the using of neodymium-yttrium-aluminum-garnet (Nd: YAG) laser posterior Capsulotomy rates have dropped from 50% to fewer than 10% now The standard therapy for PCO is now Nd: YAG laser posterior capsulotomy, which has a success rate of more than 95%. The neodymium: yttrium-aluminum-garnet (Nd:YAG) laser, with a wavelength of 1064 nm, is a solid-state laser that may destroy ocular tissues by achieving optical breakdown with a brief, high-power pulse .Ionization or plasma production occurs in the ocular tissue as a result of optical breakdown. This plasma production subsequently generates acoustic and shock waves, which destroy tissue. Because of its cost-effectiveness, speed, and lack of invasiveness, it is the chosen treatment option in PCO. However laser capsulotomy is not free of complications including transient intraocular pressure (IOP) elevation, hyphema, uveitis, cystoid macular edema, and retinal detachments that occur most frequently in the first few months . Apart from the afore mentioned biological complications, mechanical effects of laser capsulotomy such as pitting of IOL, dislocation of IOL into the vitreous, and shift in the position of IOL have also be reported Displacement of the IOL following laser capsulotomy, which may be impacted by the capsulotomy size , might hypothetically modify the effective power of the IOL as well as the patients' refractive state may be altered . However, with the exception of one research that demonstrated a hyperopic shift after Nd:YAG laser capsulotomy , most prior investigations failed to show a significant change in refraction before and after Nd:YAG laser capsulotomy . According to earlier study , the size and form of Nd:YAG laser capsulotomy, the energy utilized in Nd:YAG laser capsulotomy, and the designs of IOL did not alter the post-laser refractive state. It is still unknown if the time of laser capsulotomy affects the refractive and visual prognosis of patients after Nd:YAG laser capsulotomy. Because the IOL would continue to rotate for at least 6 months following cataract surgery, Any considerable change in IOL position might result in a change in the patient's refractive state, necessitating corrective lens prescriptions
Post-operative infectious endophthalmitis is devastating condition that causes a diffuse intraocular inflammation and may lead to blindness. Acute post-operative endophthalmitis usually presented within 6 weeks of intraocular procedure and diagnosis is confirmed by clinical examination and by the aid of B-scan ultrasonography.
To analyse quality assurance after cataract surgery by assessing discomfort and other symptoms via telephone interviews either in the evening of the day of the surgery or 1 day after surgery versus no additional call after surgery.
This project will apply AI technology to meet the gap between increasing demand and limited capacity of high- volume healthcare services. The project will develop evidence that will support the safe deployment of Ufonia's automated telemedicine platform to deliver calls to cataract surgery patients at two large NHS hospital trusts. The proposed study will implement DORA in addition to the current standard of care for a cohort of patients at Imperial College Healthcare Trust and Oxford University Hospitals NHS Foundation Trust. The study will evaluate the agreement of DORA's decision with an expert clinician. In addition it will test the acceptability of the solution for patients and clinicians; the sensitivity and specificity of the system in deciding if a patient requires additional review; and the health economic benefits of the solution to patients (reduced time and travel) and the local healthcare system. If successful, a proposal will be developed to roll the solution out to all patients at each site in anticipation of an application to a late phase award for wider NHS deployment.
The current postoperative cataract surgery eye drop regimen used at Zuckerberg San Francisco General Hospital (ZSFG) is a significant burden for its patient population, contributing to high rates of non-adherence and the development of postoperative complications. The investigators propose to replace this complex regimen with a single administration of intraocular antibiotic and subconjunctival steroid at the time of surgery. This pilot study will obtain the preliminary data required to eventually fully evaluate this innovation in postoperative care in a safety-net population with respect to postoperative outcomes, patient compliance, and patient and caregiver satisfaction.
The IOL-capsular complex is formed after cataract surgery and intraocular lens (IOL) implantation.Early postoperative mechanical wrapping of the anterior and posterior capsules plays a significant role in preventing IOL decentration and tilt, as well as formation of the IOL-capsular complex which reduces the incidence of posterior cataract opacity. Capsular tension rings were first introduced in the early 1990s for loosening and tightening the lens bag and maintaining the equatorial contour of the bag after cataract surgery.Today, capsular tension rings of many different designs are in use.The capsular tension rings can be used in eyes with fragile and split zonular fibers, as well as pseudoexfoliation, high myopia, Marfan syndrome, mature cataract and lens subluxation.The capsular tension ring reduces the incidence of decentration and tilt of the IOL by reducing capsular contraction. In addition, multi-focus IOL implantation combine with capsular tension ring result in smaller high-order aberrations in our eyes compared to cataract surgery with multi-focus IOL implantation alone.For patients with high myopia, they often have a longer axial length and a larger capsule diameter, which reduces the rotational stability of the IOL and may lead to tilt ,decentration and displacement of IOL.Currently, there is no literature guidance to compare the results of cataract surgery combined with or without capsular tension ring implantation in patients with high myopia.Our hospital has Swept-source Optical Coherence Tomography ( SS-OCT,Casia2, TOMEY, Japan), which can accurately photograph the process of IOL capsule bending and the changes of lens position after cataract surgery. SS-OCT can be used to evaluate the influence of capsular tension ring on the dynamic changes of IOL-capsular complex in patients with high myopia after cataract surgery.
The aim of this study is to assess if treatment with Lacrimera® eye drops (Croma-Pharma GbmH, Leobendorf, Austria) during and/ or after cataract surgery has a positive effect on the ocular surface compared to control group.