Download e-book for kindle: 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

ISBN-10: 1615255664

ISBN-13: 9781615255665

Presents an summary of the constitution and serve as of the retina and its courting to the pigment epithelium, choroid and vitreous. Describes the main vitreoretinal problems and acceptable diagnostic tools and remedy principles.

In its final significant revision, part 12 was once re-organized into 3 components. Separate chapters are actually dedicated to age-related macular degeneration, diabetic retinopathy and retinopathy of prematurity, together with the most recent imaging strategies and choroidal aspect. chosen healing themes contain laser treatment and vitreoretinal surgery.

Upon finishing touch of part 12, readers could be capable to:

Select acceptable tools of exam and ancillary experiences for the analysis of vitreoretinal disorders
Describe the foundations of clinical and surgical procedure of vitreoretinal disorders
Incorporate information from significant potential scientific trials within the administration of chosen vitreoretinal issues

Show description

By American Academy of Ophthalmology, Hermann D. Schubert MD

ISBN-10: 1615255664

ISBN-13: 9781615255665

Presents an summary of the constitution and serve as of the retina and its courting to the pigment epithelium, choroid and vitreous. Describes the main vitreoretinal problems and acceptable diagnostic tools and remedy principles.

In its final significant revision, part 12 was once re-organized into 3 components. Separate chapters are actually dedicated to age-related macular degeneration, diabetic retinopathy and retinopathy of prematurity, together with the most recent imaging strategies and choroidal aspect. chosen healing themes contain laser treatment and vitreoretinal surgery.

Upon finishing touch of part 12, readers could be capable to:

Select acceptable tools of exam and ancillary experiences for the analysis of vitreoretinal disorders
Describe the foundations of clinical and surgical procedure of vitreoretinal disorders
Incorporate information from significant potential scientific trials within the administration of chosen vitreoretinal issues

Show description

Read Online or Download 2014-2015 Basic and Clinical Science Course (BCSC): Section 12: Retina and Vitreous PDF

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

Example text

Management of a small area of choroidal neovascularization in an eye w ith age-related macular degeneration {A MO] and relatively good visual acuity. The Wilmer Retina Update. ) 24 • Retina and Vitreous • A B C D Figure 2-2 Images of typical central serous chorioretinopathy. A, The red-free, black-andwhite photograph of the right macula reveals a well-demarcated serous detachment of the sensory retina (arrows). B, Early transit frame of the angiogram reveals the pinpoint focus of hyperfluorescence, indicating early fluorescein leakage (arrow) through the RPE, nasal to the foveal avascular zone.

The borders of hyperfluorescence become increasingly blurred, and the greatest intensity of hyperfluorescence is found in the late phases of the study, when the only fluorescein dye remaining in the eye is extravascular. Leakage occurs, for example, in CNV (Fig 2-1), in diabetic macular edema • CHAPTER 2: 'Diagnostic Approach to Retinal Disease • 23 • (via microaneurysms or intraretinal microvascular abnormalities [IRMAs]), and in neovascularization of the disc. Staining refers to a pattern of hyperfluorescence in which the fluorescence gradually increases in intensity through transit views and persists in late views, but its borders remain fixed throughout the study.

The resulting waveform has a prominent b-wave but almost no detectable a-wave. Maximal combined response (dark-adapted bright flash): A larger waveform is generated by using a bright flash in the dark-adapted state, which maximally stimulates both cones and rods and results in large a- and b-wave amplitudes with oscillatory potentials superimposed on the ascending b-wave. Oscillatory potentials: These (dark-adapted) responses can be isolated by filtering out the slower ERG components. Oscillatory potentials are believed to be the result of feedback interactions among the integrative cells of the inner retina.

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2014-2015 Basic and Clinical Science Course (BCSC): Section 12: Retina and Vitreous by American Academy of Ophthalmology, Hermann D. Schubert MD


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