Active clinical trials for "Keratitis, Herpetic"

Objective: To compare the additive effect of topical cyclosporine A 0.05% eye drops to prednisolone eye drops, with topical prednisolone acetate 1% eye drops alone in treatment of herpetic stromal keratitis. Methods: Patients diagnosed with herpetic stromal keratitis are randomly divided into 2 groups; Group A: receive cyclosporine eye drops together with prednisolone eye drops. Group B: receive topical prednisolone with placebo eye drops (tear replacement). The 2 groups receive systemic acyclovir therapeutic dose 400 mg five times daily, which then tapered to twice daily prophylactic dose after one month of treatment. Follow up for patients is scheduled as a weekly visit for a duration of 2 months.

To determine whether early treatment (with oral acyclovir) of herpes simplex virus (HSV) ulcerations of the corneal epithelium prevents progression to the blinding complications of stromal keratitis and iridocyclitis. To determine the efficacy of low-dose oral acyclovir in preventing recurrent HSV eye infection in patients with previous episodes of herpetic eye disease. To determine the role of external factors (such as ultraviolet light or corneal trauma) and behavioral factors (such as life stress) on the induction of ocular recurrences of HSV eye infections and disease.

The purpose of this study is to evaluate the safety and performance of the EYEMATE system in patients undergoing concomitant implantation of a BKPro type 1 and an EYEMATE sensor over the 24 months period beginning at implantation.

The purpose of this study is to compare a corneal sampling realized by a flocked swab (flocked swab regular 519CS01) with a sampling by traditional fiber swab (Copan regular swab 164KS01 in polyester). Their impact on the sensibility of the viral culture in the Herpes simplex epithelial keratitis will be the primary objective of this study.

To evaluate the efficacy of topical corticosteroids in treating herpes simplex stromal keratitis in conjunction with topical trifluridine. To evaluate the efficacy of oral acyclovir in treating herpes simplex stromal keratitis in patients receiving concomitant topical corticosteroids and trifluridine. To evaluate the efficacy of oral acyclovir in treating herpes simplex iridocyclitis in conjunction with treatment with topical corticosteroids and trifluridine.

The purpose of the study is to learn if adding femtosecond laser-assisted corneal debridement to a standard therapy of oral ganciclovir can help shorten the healing time of herpes simplex epithelial keratitis (HSK).

Penetrating keratoplasty (PKP) is an open-sky surgery that fundamentally has not changed for more than 100 years. Because conventional PKP is associated with the potential for the development of devastating complications such as expulsive suprachoroidal hemorrhage and endophthalmitis, we modified the technique to one that is a closed surgery under topical anesthesia with the anterior chamber maintained to achieve favorable results. Topical anesthesia is an attractive alternative to traditional injection local anesthesia since the potentially serious complications associated with retrobulbar and peribulbar anesthesia can be avoided. The closed PKP procedure with the stable anterior chamber essentially changes the open nature of conventional PKP. The advantages, i.e., decreased surgical risks, postoperative complications, and surgical difficulties, make PKP viable in most complicated cases.

The aim of this study is to evaluate the effect of preoperative parameters on surgical results in Descemet Membrane Endothelial Keratoplasty (DMEK) surgery.

The aim of this study is to compare the safety, specificity, sensitivity and ease of procedure of two potential diagnostic assays for HSV-1 detection in the cornea. Through the use of this new diagnostic assay, correct and early intervention would not only reduce corneal scarring from HSK, but it would also allow the initiation of appropriate treatment for HSV mimicking keratitis. HSV-1 infection of the eye can result in corneal scarring and blindness. Early diagnosis of this condition and appropriate treatment is of utmost importance. Various ocular surface conditions can mimic herpetic keratitis in their clinical presentation and can result in diagnostic confusion. Inappropriate or delayed treatment of herpetic corneal disease results in increased morbidity. In the UK at present clinical presentation is the mainstay of diagnosis. Unfortunately these cases often present to the most inexperienced clinical staff resulting in variability in diagnostic acumen. This often results in a delay or inappropriate diagnosis of herpetic keratitis. Laboratory techniques presently available to aid diagnosis are infrequently used in clinical practice. There are various reasons for their lack of use. Historically viral culture techniques were the mainstay of investigation but were slow, requiring weeks to provide a result. PCR is now replacing culture techniques and is relatively quick, reliable and sensitive. Many clinicians within the UK are still not fully informed of these advances and are therefore not utilizing these techniques to supplement clinical diagnosis. We propose to investigate the use of topically applied fluorescent antibody against active replicating HSV-1 in a droplet form and real time PCR detection of the virus. If successful this should increase the potential diagnostic capabilities of GPs and other less experienced health care workers. Such tests should reduce variability in diagnosis and the dependency on experienced ophthalmologists to diagnose the condition.

As is reported, NSAIDs(pranoprofen ,bromfenac) eye drops can suppress herpes simplex virus（HSV-1） reactivation and reduce inflammatory reaction in vitro and in vivo. In Clinical, there is no risk of corneal tissue melting, glaucoma, cataract by topical application of NSAIDs. To explore more effective clinical treatment of viral keratitis patients to control the inflammatory damage, save the visual function and reduce the recurrence of the virus ,we observe the effect of anti-inflammatory and inhibition of recurrence on the herpes simplex virus after topical NSAIDs administration.