2014-2015 Basic and Clinical Science Course (BCSC): Section by American Academy of Ophthalmology, Hermann D. Schubert MD

By American Academy of Ophthalmology, Hermann D. Schubert MD

Presents an summary of the constitution and serve as of the retina and its dating to the pigment epithelium, choroid and vitreous. Describes the foremost vitreoretinal issues and applicable diagnostic tools and therapy principles.

In its final significant revision, part 12 used to be re-organized into 3 components. Separate chapters are actually dedicated to age-related macular degeneration, diabetic retinopathy and retinopathy of prematurity, together with the newest imaging thoughts and choroidal aspect. chosen healing issues contain laser remedy and vitreoretinal surgery.

Upon final touch of part 12, readers may be capable to:

Select acceptable tools of exam and ancillary stories for the analysis of vitreoretinal disorders
Describe the rules of scientific and surgical procedure of vitreoretinal disorders
Incorporate facts from significant potential scientific trials within the administration of chosen vitreoretinal issues

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Extra resources for 2014-2015 Basic and Clinical Science Course (BCSC): Section 12: Retina and Vitreous

Sample text

R-.. ,- ~ nV A O 80 ms ~nv B 0 80 ms Multifocal ERG tra cing s of the right eye of a patient with hydroxychloroquine to xicity. The central macular region has marked decreased waveform amplitudes (Al compared with the reference traces (B) . ) Figure 3-4 Pattern ERG The pattern ERG (PERG) can be elicited from the retina by an alternating checkerboard stimulus presented to the central retina. The responses to several hundred stimuli (alternations) are averaged to obtain a measurable signal (Fig 3-5).

They require topical corneal anesthesia and are placed directly on the cornea to eliminate its power and the cornea-air interface. Fluids used range from contact lens wetting solutions to viscous clear gel solutions. The more viscous the solution, however, the more it interferes with the quality of any photography or angiography performed shortly after the examination. In contrast, non-contact lenses use the power of the lens in combination with the cornea to produce an inverted image with a wider field of view.

Figure 3-7 (Modified from Breton ME, Quinn GE, Keene 55, Dahmen JC, Brucker AJ. Electroretinogram parameters at presentation as predictors of rubeosis in central retinal vein occlusion patients, Ophthalmology. ) Figure 3-8 A 5-month-old infant with a contact lens electrode in place for ERG recording. The child was quite comfortable and required little restraint until the bottle was empty. (Reprinted with permission from Marmor MF. Corneal e/ectroretinograms in children without sedation. J Pediatr Ophthalmol.

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