3139001 documents found, page 313718 of 313901

A Typical Presentation of Purtscher’s Retinopathy

IMAGE DESCRIPTION Purtscher’s retinopathy is a rare, sight-threatening retinal disorder associated with numerous types of trauma. It has been firstly described in 1910 by Otmar Purtscher.1,2 Although the exact pathogenesis remains unclear, all clinical features suggest microembolic occlusion of the retinal precapillary arterioles.3 It frequently leads to sudden but reversible visual loss following the precipita...

Pupila Festonada na Polineuropatia Amiloidótica Familiar

Doente do sexo masculino, 52 anos de idade, caucasia- no, diagnosticado com polineuropatia amiloidótica familiar (PAF) desde 1993, submetido a transplante hepático em 1997. Recorre a consulta de oftalmologia por hipovisão OD com vários anos de evolução. No exame oftalmológico, a melhor acuidade visual corrigida era de percepção luminosa (sem projeção) no OD, e 20/320 no OE. A biomicroscopia é rica e...

Subluxação Superior do Cristalino Após Trauma Ocular

                     ;                     

Valsalva Retinopathy

Valsalva retinopathy is a rare, specific retinal disorder characterized by preretinal hemorrhage caused by raised intrathoracic or intraabdominal pressure. It was firstly described by Duane in 1972.1 Patients present with sudden visual impairment, usually occurring in otherwise healthy eyes. The condition is triggered by Valsalva maneuvers including weight lifting, vomiting, coughing, constipation, blowing musi...

Impact of COVID-19 on corneal transplantation

Editorial

Conjuntivochalasis: A Review Article

Conjunctivochalasis is a chronic conjunctival condition often underdiagnosed. The hallmark is loose, redundant conjunctival folds classically located in the inferior conjunctiva. It is often bilateral and the prevalence rates increase dramatically in the elderly. The exact pathogenesis remains unknown. Conjunctivochalasis has been strongly correlated with aging and concomitant dry eye disease. The currently rec...

Tubulointerstitial Nephritis and Uveitis (TINU) Syndrome

Tubulointerstitial Nephritis and Uveitis (TINU) syndrome is characterized by bilateral anterior uveitis and idiopathic tubulointerstitial nephritis. A 37-year-old female with bilateral anterior uveitis, malaise and fever was evaluated at the Ophthalmology Emergency department. Laboratory investigation revealed an elevated C-re- active protein, a raised erythrocyte sedimentation ratio and a sub-nephrotic protein...

Coloboma Traumático do Cristalino

     ;     

Exuberant Choroidal Melanoma in COVID-19 Era

A 61-year-old man presented with a superior visu- al field defect on his right eye (RE), for 3 months, but he delayed coming to the emergency department for fear of coronavirus. His best-corrected visual acuity of the RE was 1.25/10 and biomicroscopy generated unremarkable findings. A large, dome-shaped, pigmented, and peripheral lesion with an adjacent exsudative retinal detachment was seen on ophthalmoscopy a...