Purpose: To report first case of sequential development of pachychoroid pigment epitheliopathy (PPE) and central serous chorioretinopathy (CSC) after repeated intravitreal dexamethasone implantations for diabetic macular edema treatment.
Methods: We present a case of a 54-year-old man having intravitreal dexamethasone implant for bilateral diabetic macular edema.
Results: We observed development of pachychoroid pigment epitheliopathy, seen as a small pigment epithelial detachment on optical coherence tomography after a fourth dexamethasone implantation. A fifth implantation caused transformation of pachychoroid pigment epitheliopathy to central serous chorioretinopathy.
Conclusion: Consecutive administration of dexamethasone implants may have a cumulative effect on retinal pigment epithelium, Bruch membrane, and choroid.
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http://dx.doi.org/10.1097/ICB.0000000000000820 | DOI Listing |
BMC Ophthalmol
January 2025
Department of Ophthalmology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shuaifuyuan, Dongcheng District, Beijing, 100730, China.
Background: Retinal pigment epithelium (RPE) tear is a well-known complication of RPE detachment and is typically associated with significant visual acuity decline. However, in this case, despite the occurrence of an RPE tear there was an unexpected improvement in visual acuity.
Case Presentation: A 68-year-old male presented with blurred vision in his right eye of a month's duration.
Vestn Oftalmol
December 2024
Krasnov Research Institute of Eye Diseases, Moscow, Russia.
Peripapillary pachychoroid syndrome (PPS) is a recently described condition, classified within the pachychoroid disease spectrum characterized by focal or diffuse thickening of the choroid due to dilation of choroidal vessels in the Haller's layer (pachyvessels), thinning of the choriocapillaris and the Sattler's layer, and accompanied by increased choroidal permeability and damage to the retinal pigment epithelium. Unlike other pachychoroid diseases that involve changes in the central retina, PPS presents with choroidal thickening and intra- or subretinal fluid located nasally in the macular region, near the optic disc. This review aims to summarize and analyze current data on the clinical features, pathogenesis, and treatment options for PPS found in the literature.
View Article and Find Full Text PDFIn this case series of two patients, we discuss pachychoroid as a risk factor for predicting exudative retinal detachment (RD) after panretinal photocoagulation (PRP). The first patient was a 55-year-old diabetic male with unstable proliferative diabetic retinopathy (PDR), serous pigment epithelial detachment (PED), and pachychoroid confirmed via fluorescein angiography (FA) and optical coherence tomography (OCT), who underwent PRP. Post-PRP, the patient complained of visual loss in both eyes.
View Article and Find Full Text PDFJ Ophthalmol
November 2024
Ophthalmology Department, Sultan Abdulhamid Han Training and Research Hospital, University of Health Sciences, Istanbul, Türkiye.
Diving is an intense physical activity under hyperbaric and hyperoxic conditions. The aim of this study is to evaluate the long-term effects of diving on the thicknesses of retinal layers and retinal anatomy in professional deep and scuba divers. The study included 52 eyes of deep divers who dive to depths of more than 130 feet (ft), 49 eyes of scuba divers who dive up to 130 ft, and 66 eyes of the control group, consisting of nondiving but regularly exercising males.
View Article and Find Full Text PDFGraefes Arch Clin Exp Ophthalmol
November 2024
Department of Ophthalmology, Tokyo Women's Medical University, 8-1 Kawadacho, Shinjuku-ku, Tokyo, 162-8666, Japan.
Purpose: To observe the choroidal vasculature in patients with tilted disc syndrome (TDS) using en face optical coherence tomography (OCT) and to evaluate the symmetry of the choroidal vascular pattern in the macular area.
Methods: En face OCT was performed using a Plex Elite 9000 (Zeiss) with a 12 × 12 mm image of the macula, which was flattened with retinal pigment epithelium and segmented into choroidal layers. The middle/large choroidal vessels were evaluated for vertical symmetry qualitatively by the retina specialist coauthors and quantitatively by binarization analysis of choroidal vessel density and mean vessel diameter.
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