Fundus autofluorescence in patients with blunt ocular trauma. 2011

Daniel Lavinsky, and Elisabeth N Martins, and Jose A Cardillo, and Michel E Farah
Department of Ophthalmology, Vision Institute, Federal University of Sao Paulo, Brazil. lavinsky@via-rs.net

OBJECTIVE To report fundus autofluorescence and optical coherence tomography (OCT) findings in patients with blunt ocular trauma. METHODS Six eyes of six consecutive patients with blunt ocular trauma were evaluated in an observational case series using colour fundus photography, the Heidelberg Retina Angiograph 2 (HRA2) system for fundus autofluorescence (FAF) and OCT (Stratus OCT). RESULTS Three patients presented with secondary retinal pigment epitheliopathy that was identified as a reduced FAF plaque with interposed increased FAF granular smaller lesions. These findings were not as evident in fundus examination and colour photography in two patients. Visual field in one patient showed a decreased area of sensitivity that correlated to the reduced/increased autofluorescent lesion. The other three patients had subretinal haemorrhage and choroidal rupture, which appeared with a reduced FAF with an increased FAF rim after resolution. OCT demonstrated a choriocapillaris/ retinal pigment epithelium (RPE) complex disruption and its resolution over time in all patients with choroidal rupture. CONCLUSIONS Damaged RPE area was more evident and better delineated by FAF imaging compared with fundus examination and fundus photography alone. Autofluorescence imaging might be a useful exam to show the length and severity of post-traumatic retinal lesions and it may add relevant information in the global evaluation of blunt ocular trauma complications. Moreover, OCT added valuable information to the diagnosis and progression of choroidal rupture. Further studies to determine the predictive value of FAF in ocular blunt trauma are warranted.

UI MeSH Term Description Entries
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002829 Choroid The thin, highly vascular membrane covering most of the posterior of the eye between the RETINA and SCLERA. Choriocapillaris,Haller Layer,Haller's Layer,Sattler Layer,Sattler's Layer,Choroids
D005131 Eye Injuries Damage or trauma inflicted to the eye by external means. The concept includes both surface injuries and intraocular injuries. Injuries, Eye,Eye Injury,Injury, Eye
D005260 Female Females
D005451 Fluorescein Angiography Visualization of a vascular system after intravenous injection of a fluorescein solution. The images may be photographed or televised. It is used especially in studying the retinal and uveal vasculature. Fluorescence Angiography,Fundus Fluorescence Photography,Angiography, Fluorescein,Angiography, Fluorescence,Fluorescence Photography, Fundus,Photography, Fundus Fluorescence
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012166 Retinal Hemorrhage Bleeding from the vessels of the retina. Hemorrhage, Retinal,Retinal Hemorrhages
D012421 Rupture Forcible or traumatic tear or break of an organ or other soft part of the body. Ruptures
D014792 Visual Acuity Clarity or sharpness of OCULAR VISION or the ability of the eye to see fine details. Visual acuity depends on the functions of RETINA, neuronal transmission, and the interpretative ability of the brain. Normal visual acuity is expressed as 20/20 indicating that one can see at 20 feet what should normally be seen at that distance. Visual acuity can also be influenced by brightness, color, and contrast. Acuities, Visual,Acuity, Visual,Visual Acuities

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