Read e-book online 2014-2015 Basic and Clinical Science Course (BCSC): Section PDF

By American Academy of Ophthalmology, George A. Cioffi MD

ISBN-10: 1615255648

ISBN-13: 9781615255641

Offers a entire dialogue of glaucoma, together with epidemiology and the social and fiscal affects of the disorder; hereditary and genetic elements; intraocular strain and aqueous humor dynamics; and scientific assessment and surgical remedy. a number of the periods of scientific treatment for glaucoma are defined by way of efficacy, mechanism of motion and security. comprises a variety of pictures illustrating ailment entities and surgical techniques.

Upon of completion of part 10, readers could be capable to:

Identify the epidemiologic positive factors of glaucoma, together with the social and fiscal affects of the disease
Describe the scientific overview of the glaucoma sufferer, together with background and common exam, gonioscopy, optic nerve exam, and visible field
Describe the scientific gains, review, and therapy of basic open-angle glaucoma and normal-tension glaucoma
List a few of the medical positive aspects of and healing ways for the first and secondary open-angle glaucomas

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Read or Download 2014-2015 Basic and Clinical Science Course (BCSC): Section 10: Glaucoma PDF

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Additional resources for 2014-2015 Basic and Clinical Science Course (BCSC): Section 10: Glaucoma

Sample text

Fundus A dilated examination allows the clinician to evaluate the vitreous for signs of inflammation, hemorrhage, or ghost cells. Careful stereoscopic evaluation of the optic disc should be performed, followed by examination of the fundus to detect posterior segment pathology such as hemorrhages, effusions, masses, inflammatory lesions, retinovascular occlusions, diabetic retinopathy, or retinal detachments that can be associated with the glaucomas. Gonioscopy Gonioscopy is an essential diagnostic tool and examination technique used to visualize the structures of the anterior chamber angle.

Figures 3-1 and 3-2 give schematic and clinical views of the angle as seen with gonioscopy. Gonioscopy is required in order to visualize the chamber angle because, under normal conditions, light reflected from the angle structures undergoes total internal reflection at the tear-air interface. At the tear-air interface, the critical angle (approximately 46°) is reached and light is totally reflected back into the corneal stroma. This prevents direct visualization of the angle structures. All gonioscopy lenses eliminate the tear-air interface by placing a plastic or glass surface adjacent to the front surface of the eye.

B, Normal open angle. This gonioscopic view using the Goldmann lens shows mild pigmentation of the posterior trabecular meshwork. A wide ciliary body band with posterior insertion of the iris can also be seen. C, Narrow angle . This gonioscopic view using the Zeiss lens without indentation shows pigment in the inferior angle but poor visualization of angle anatomy. D, Narrow angle. Gonioscopy with a Zeiss lens with indentation shows peripheral anterior synechiae in the posterior trabecular meshwork.

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2014-2015 Basic and Clinical Science Course (BCSC): Section 10: Glaucoma by American Academy of Ophthalmology, George A. Cioffi MD

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