Acute retinal necrosis (ARN) is a rare and rapidly progressive disease characterised by the development of panuveitis and peripheral retinal lesions. These lesions can often be missed during a routine fundoscopic examination, making the early diagnosis of ARN a considerable challenge. This case report describes the utilisation of ultrawidefield (UWF) imaging in the early detection of peripheral lesions associated with ARN in a male patient in his late 60s, who presented with acute blurred vision and a documented history of herpes zoster ophthalmicus. During a comprehensive eye examination and UWF imaging, panuveitis and peripheral lesions were identified, eventually leading to a diagnosis of ARN. The early initiation of antiviral therapy led to a gradual clinical improvement over 3-4 months. The utilisation of serial UWF imaging played a critical role in the prompt diagnosis and effective monitoring of disease progression, thereby potentially improving the patient\'s outcome.

All orbital tissues, including extra-ocular muscles, can be affected by the varicella-zoster virus (VZV). However, only a minority of all individuals with herpes zoster infections present with herpes zoster ophthalmicus. The present study reports the case of a middle-aged male patient presenting with an acute intractable right-sided headache. His neurological examination yielded normal results. The analysis of cerebrospinal fluid by biochemistry and cultural analysis yielded normal results; however, the analysis of this fluid using polymerase chain reaction yielded a positive result for VZV. Thus, treatment with acyclovir was commenced. Brain magnetic resonance imaging revealed a bilateral intraorbital intraconal enhancement consistent with myositis. His symptoms evolved into a shock-like pain over the scalp associated with painful ocular movements. On the 2nd day of admission, he developed new vesicular lesions found on the right-side cranial nerve V1 dermatome. By the 6th day of admission, he was asymptomatic, and his physical examination revealed the resolution of the dermatologic manifestations of the VZV. The patient was stable for outpatient follow-up with ophthalmology and was discharged on an oral valacyclovir course for 7 days. To the authors\' knowledge, there are four cases reported in the literature of herpes zoster ophthalmicus with orbital myositis prior to the appearance of vesicular lesions. Thus, it is suggested that VZV serology be investigated before a final diagnosis of idiopathic orbital myositis is made.

UNASSIGNED: To study potential corneal reinnervation and recovery of corneal sensation in patients with severe neurotrophic keratopathy (NK) secondary to herpes zoster ophthalmicus (HZO) after treatment with topical autologous serum tears (AST).
UNASSIGNED: Four cases of HZO with severe NK were followed clinically and by serial laser in vivo confocal microscopy (IVCM, HRT3/RCM, Heidelberg Engineering) before and during treatment with 20% AST drops eight times a day. Two masked observers reviewed the IVCM images and assessed corneal nerve alterations.
UNASSIGNED: At baseline, all patients had complete loss of corneal sensation. In addition, IVCM showed complete lack of the subbasal corneal nerve plexus in all patients. All four patients were refractory to conventional therapies and were treated with AST drops. All patients demonstrated significant nerve regeneration by IVCM within 3-7 months of treatment. The total nerve density increased to a mean ± SEM of 10,085.88±2,542.74 μm/mm2 at the last follow up. Corneal sensation measured by Cochet-Bonnet esthesiometry improved to a mean ± SEM of 3.50±1.30 cm. Interestingly, 3 of 4 patients developed stromal keratitis with ulceration within weeks of corneal reinnervation, which was reversed by adding topical steroids.
UNASSIGNED: Autologous serum tears are effective in restoring corneal subbasal nerves and sensation in patients with severe NK secondary to HZO. However, this group of patients may require concurrent topical immunomodulation and antiviral therapy while on AST to prevent stromal keratitis.

BACKGROUND: In this report, we describe a rare case of a cranial nerve VI palsy secondary to herpes zoster infection with polyneuropathic involvement.
METHODS: An 82-year-old male was seen by ophthalmology for acute onset of double vision. Fourteen days before presenting, he was diagnosed with herpes zoster ophthalmicus. He was suspected to have zoster polyneuropathy also involving cranial nerve IX and X given a sore throat that began prior to the characteristic trigeminal dermatomal rash. He was diagnosed with cranial nerve VI palsy secondary to herpes zoster infection.
CONCLUSIONS: Ophthalmic complications of herpes zoster ophthalmicus are many; however, extraocular nerve palsies secondary to herpes zoster infection and zoster polyneuropathy are documented infrequently in the literature.
CONCLUSIONS: Extraocular muscle palsies are a rare complication of herpes zoster infection. This case reviews the most current literature surrounding this condition and discusses the significance of polyneuropathic involvement in varicella zoster virus reactivation.

A 15-year-old boy was referred for corneal opacity evaluation. The patient had a previous herpes zoster virus (HZV) infection-varicella-zoster virus (VZV)-with ocular manifestation 1 year ago. After the infection, he developed a central corneal scar and decreased corrected distance visual acuity (CDVA) in the right eye. The slitlamp examination showed the right eye with central corneal opacity (involving anterior stroma), lacuna area between the haze, fluorescein negative, and no vascularization near the scar (Figure 1JOURNAL/jcrs/04.03/02158034-202406000-00019/figure1/v/2024-07-10T174224Z/r/image-tiff). The patient had been treated with oral valacyclovir and topical corticosteroids without any improvement of visual acuity or changes in opacity within the 1-year follow-up. His CDVA was 20/200 (-4.50 -0.75 × 25) in the right eye and counting fingers (-4.00) in the left eye. Intraocular pressure was 12 mm Hg in both eyes. Fundoscopy was normal in the right eye, but he had a macular scar in the left eye (diagnosed when he was 7 years). The left eye had no cornea signs. The patient has no comorbidity or previous surgeries. Considering this case, a corneal central scar in a 15-year-old boy, legally single eye only, and assuming it is an opacity in the anterior stroma, would you consider surgery for this patient? If so, which would you choose: Would you consider an excimer laser treatment of his ametropia while partially removing his opacity, a phototherapeutic keratectomy (PTK), or a PTK followed by a topography-guided treatment, femtosecond laser-assisted anterior lamellar keratoplasty (FALK), or deep anterior lamellar keratoplasty (DALK) or penetrating keratoplasty (depending on the scar depth)? Would you consider prophylactic acyclovir during and after surgery? Would you consider any other surgical step to prevent delayed corneal healing-persistent epithelial defect? Before the surgical approach, would you consider treating this patient with topical losartan (a transforming growth factor [TGF]-β signaling inhibitor)? Would you first perform the surgery (which one) and then start the medication? Furthermore, if so, how long would you treat this patient? Would you consider treatment with another medication?

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Varicella zoster virus (VZV) vasculopathy is a rare yet potentially severe neurological manifestation resulting from VZV reactivation, primarily affecting immunocompromised individuals. We present a case report of a 61-year-old male with VZV vasculopathy who initially presented with herpes zoster ophthalmicus, subsequently complicated by meningoencephalitis and an acute infarct in the territory of the left middle cerebral artery (MCA). Imaging revealed acute and chronic infarcts in the capsuloganglionic regions, accompanied by thickening and enhancement of the left MCA wall. Treatment involved a 14-day course of intravenous acyclovir, supplemented with oral prednisolone, resulting in modest clinical improvement. VZV vasculopathy represents an infrequently acknowledged neurological syndrome, particularly prevalent among immunocompromised individuals. Early recognition and appropriate intervention offer promise in ameliorating outcomes for affected patients. This case emphasizes the importance of including VZV vasculopathy in the differential diagnosis of neurological deficits, especially within high-risk populations.

Varicella zoster virus (VZV) infection, also commonly known as chickenpox, is a communicable disease most often contracted in childhood via contact, airborne, or droplet transmission. After about a two-week incubation period, patients can experience a prodromal phase, which includes a pruritic vesicular blistering rash with associated constitutional symptoms such as fever, headache, malaise, muscle aches, fatigue, and sore throat. Symptoms are often self-limiting and only require supportive care and observation. We report a case of a 54-year-old female who presented with an unusual background history and was found to have a rare manifestation of herpes zoster virus, presenting as herpes zoster ophthalmicus (HZO).

Isolated herpes zoster optic neuritis is a rare sequelae of herpes zoster ophthalmicus (HZO). It can occur in the acute phase of HZO, or as post-herpetic complications. We report a case of a young patient with poorly controlled diabetes who developed herpes zoster optic neuritis one month after the initial skin manifestation despite completing a two-week course of oral acyclovir 800 mg five times a day. He complained of a five-day history of sudden onset, painless left eye blurring of vision. His vision over the left eye was no light perception with the presence of a left relative afferent pupillary defect. Fundus examination of the left eye revealed a swollen optic disc. Magnetic resonance imaging showed minimal fat streakiness over the left orbit. He was treated with one week of intravenous methylprednisolone 1 g/day, followed by a tapering dose of oral prednisolone (1 mg/kg/day) together with oral acyclovir 800 mg five times a day for another week. His visual acuity remained poor with a slight improvement in vision to hand motion.