8 research outputs found

    Multimodal Imaging Characteristics of Quiescent Type 1 Neovascularization in Best Vitelliform Macular Dystrophy

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    This case report of a 38-year-old man with bilateral Best vitelliform macular dystrophy (BVMD) presents bilateral quiescent type 1 neovascularizations (NV) detected by optical coherence angiography (OCTA) and their multimodal imaging characteristics. It was emphasized that this kind of quiescent and asymptomatic NV may be present in nearly every stage of BVMD and it was concluded that OCTA is a noninvasive, easy, and rapid method that is superior to other imaging methods in detecting them

    Impact of prolonged face mask wearing on tear break-up time and dry eye symptoms in health care professionals

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    Purpose To evaluate the impact of prolonged surgical face mask wearing on dry eye symptoms and tear film break-up time (T-BUT) in health care professionals. Materials and methods A total of 33 health care professionals were included in the present cross sectional prospective study. In addition to a complete ophthalmological examination T-BUT measurements were performed twice for all participants in the morning (8 am) and in the afternoon (5 pm). The subjects also filled-in the ocular surface disease index (OSDI) questionnaire twice, before and after wearing the face mask, on the same day. Results Sixty-six eyes of 33 participants (17 female and 16 male) were evaluated. The mean age was 33.6 +/- 7.55 (24-48) years and mean total duration with mask on between the two evaluations was 514 +/- 12.5 (495-526) minutes. The mean T-BUT was 9.3 +/- 1.0 (3-16) seconds at 8 am and 8.3 +/- 1.5 (3-14) seconds at 5 pm (p = 0.01). The mean OSDI score was 20.1 +/- 8.3 (0-68.75) at 8 am and 27.4 +/- 10.4 (0-81.25) at 5 pm (p 0.01). Conclusion Use of a surgical mask for the entire work-day was seen to worsen T-BUT and increase dry eye symptoms in healthy individuals. Ophthalmologists should be aware of the possibility of worsening of dry eye symptoms with the prolonged use of surgical face masks and consider modifications if necessary

    Sheath-Preserving Complete Optic Nerve Avulsion Following Closed-Globe Injury: A Case Report

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    A 29-year-old man presented with a sudden loss of vision after a closed-globe injury. At presentation, he had no light perception in the right eye and the right pupil was dilated and nonreactive to light. On ophthalmological examination, the area of the optic nerve head was excavated, suggesting optic nerve avulsion. Magnetic resonance imaging scan showed optic nerve avulsion without rupture of the optic nerve sheath. Four months after the injury, the patient's visual acuity remained unchanged. Gliosis developed at the avulsion site. Closed-globe injuries may cause severe posterior injury even if there is no anterior damage in the eye. To prevent unnecessary treatment, trauma patients should be examined carefully appropriate imaging to confirm the diagnosis

    Retinal detachment in a child with Frank-ter Haar syndrome

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    Background To present a rare case of ocular involvement in a child with Frank-ter Haar syndrome (FTHS) presenting retinal detachment. Materials and Methods Detailed ophthalmological evaluation including examination under general anesthesia, ocular ultrasound, and visual evoked potential testing was completed. Photographic documentation of the physical findings was obtained. Results A 3-year-old female patient with FTHS was referred to evaluate for possible ophthalmic involvement. The patient presented with the classical dysmorphic abnormalities of the syndrome. Ophthalmologic evaluation revealed a high, against-the-rule corneal astigmatism in the right eye. In the left eye, the red reflex was absent with a suspicious membrane behind the lens, and a sensory exotropia was present. Ultrasonography confirmed retinal detachment with no history of previous trauma. Due to poor visual evoked potentials, no surgery was planned. Astigmatic refractive error was corrected with routine follow-up. Conclusions FTHS is associated with multiple ocular involvement such as megalocornea, congenital glaucoma, or colobomas. This case report is the first to describe a high, against-the-rule astigmatism and retinal detachment in a female child with FTHS and demonstrates that an early and detailed ophthalmological examination is essential for these patients

    Subgroups and Features of Poor Responders to Anti-Vascular Endothelial Growth Factor Treatment in Eyes with Neovascular Age-Related Macular Degeneration

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    WOS: 000585785600006Objectives: This study aimed to determine the incidence of poor response to intravitreal (IV) anti-VEGF treatment in neovascular age-related macular degeneration (nvAMD) and to define subgroups of poor responders. Materials and Methods: A total of 235 treatment-naive eyes of 202 patients completed this prospective study. Patients younger than 50 years of age and those with a contraindication for anti-VEGF therapy were excluded. All eyes were treated with IV ranibizumab. Poor response was defined as recurrence, persistence, or worsening despite treatment. Poor responders were classified into subgroups based on progression patterns. Results: of the 235 eyes, 78 (33.2%) showed poor response. Pigment epithelial detachment (PED) and occult choroidal neovascularization (CNV) were more common among poor responders (p<0.001) and 5 subgroups were identified. Conclusion: Poor response to anti-VEGF treatment is not uncommon and occult CNV and PED are frequently seen in these eyes. Various subgroups can be defined based on clinical features

    Alterations in Retinal Vascularity in Severe Psoriasis

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    PurposeTo evaluate the changes in retinal vascularity in patients with severe psoriasis.Materials and MethodsPatients with severe psoriasis [psoriasis area-severity index (PASI) >10] who did not get any systemic treatment in the last year and do not have any ocular diseases were included. All patients underwent detailed ophthalmological examination, including optical coherence tomography (OCT) and OCT angiography (OCTA). Vessel densities (VD) of Superficial (SCP) and deep (DCP) capillary plexus, foveal avascular zone (FAZ) diameter, central retinal thickness (CRT) were analyzed and compared with age-sex matched healthy adults.ResultsFifty-three patients (13 F, 40 M) and 56 controls (16 F, 40 M) were included in the study. VD of SCP (50.4%+/- 3.9 vs. 51.4%+/- 3.2) and DCP (52.6%+/- 6.4 vs. 55.4%+/- 5.7) were lower in psoriasis group compared to controls (p .05). Presence of psoriatic arthritis was related with an increased CRT (p = .000), larger FAZ and decreased foveal VD in SCP (p = .01, p = .02, respectively).ConclusionSevere psoriasis causes a decrease in retinal blood flow and presence of psoriatic arthritis is related with decreased foveal VD

    Iris Juvenile Xanthogranuloma Presenting with Hypopyon

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    Purpose: To report a case an iris juvenile xanthogranuloma presenting with hypopyon. Case report: A 45-day-old infant was referred to our clinic for unilateral hypopyon. Slit-lamp examination revealed a 2 mm hypopyon in the left eye while visible areas of the iris were normal. Fundus examination was normal. Topical corticosteroids and antibiotics were initiated. The hypopyon regressed to 0.5 mm after 2 weeks of treatment. The now visible peripheral iris revealed an inferotemporal yellow-brown iris mass. Clinical findings were consistent with juvenile xanthogranuloma of the iris. The patient was referred to the pediatrics department which revealed no systemic involvement. Two months after total regression of hypopyon, the baby presented with a 3 mm spontaneous hyphema causing 50 mmHg intraocular pressure. The patient was followed with topical corticosteroids and antiglaucomatous drops until the hyphema was resolved. Conclusion: ocular involvement, which is the most common extracutaneous 15 manifestation of juvenile xanthogranuloma, should be considered in the differential diagnosis of hypopyon and/or hyphema in young children

    Radiation-Induced Ocular Surface Disorders and Retinopathy: Ocular Structures and Radiation Dose-Volume Effect

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    Purpose This study aimed to evaluate the radiation-induced adverse effects on ocular structures in head and neck cancer patients and investigate the radiation dose-volume effects on the cornea, lacrimal gland, retina, optic nerve and chiasm. Materials and Methods A total of 38 eyes of 19 patients were included in this prospective, cohort study. All patients underwent complete ophthalmological examination in addition to contrast sensitivity, visual field and visual evoked potentials (VEP) tests. Ophthalmological examinations and psychophysical tests were performed in 6th, 12th, 18th, 24th months and in the last visit. The relationship between the ophthalmologic findings, and the radiation doses below and above the cut-off values was evaluated. Results Contrast sensitivity decrease and visual field deterioration were observed in 42% of the patients in the last visit (median 26 months) whereas a prolonged latency and decreased amplitude of P100 wave in VEP was observed in 58% and 33% of the eyes, respectively at 24th month. Totally 16 patients (84.2%) developed dry eye disease and eight of them received radiotherapy below tolerance doses and had mild to moderate dry eye findings. Radiation-induced retinopathy was observed in three of the eyes in eight patients who received radiation above tolerance dose. Conclusion Head and neck cancers treated with radiotherapy, resulted in various ophthalmic complications. All patients who are treating with radiotherapy should be evaluated by an ophthalmologist in terms of anterior and posterior segment damage, even if the radiation dose is below the tolerance limit
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