By James C. Bobrow, MD
This part underwent significant revision for the 2008-2009 variation. part eleven stories the anatomy, body structure, embryology, and pathology of the lens. It additionally covers the epidemiology of cataracts and their overview and administration in adults. additionally, an summary of lens and cataract surgical procedure is supplied, issues of cataract surgical procedure are mentioned, and cataract surgical procedure in targeted occasions is explored. comprises many new photos.
Read Online or Download 2008-2009 Basic and Clinical Science Course: Section 11: Lens and Cataract (Basic and Clinical Science Course 2008-2009) PDF
Similar ophthalmology books
Greater than 500 distinctive entries are incorporated in transparent, concise language with at the very least technical jargon. the amount includes a heritage of blindness and imaginative and prescient impairment with an A-to-Z presentation of health and wellbeing concerns, forms of surgical procedure, medicinal drugs, scientific terminology and social concerns.
A patient-centered method of the prognosis and remedy of significant neuro-ophthalmic stipulations. concentrating on very important featuring symptoms, this ebook leads the reader during the occasionally refined manifestations of neuro-ophthalmic sickness to anatomic localization of lesions and definitive prognosis.
' good edited and thoroughly revealed, this booklet features a wealth of data on contemporary advancements, a needs to for all researchers during this box, specially those that have been not able to wait the Congress. 'Documenta Opthalmologica eighty 1992
Fresh advancements within the box of retinal detachment surgical procedure have known as for a considerable revision of the former variation of this article. the main major advances have centred round the elevated use of pars plana vitrectomy and of varied intraocular gases. The illustrations have additionally been greater, together with extra color fabric, and the references were revised and supplemented the place indicated.
- Regenerative Biology of the Eye
- Primary Optic Nerve Sheath Meningioma
- Moorfields Manual of Ophthalmology
- Ocular pathology : a color atlas
Additional resources for 2008-2009 Basic and Clinical Science Course: Section 11: Lens and Cataract (Basic and Clinical Science Course 2008-2009)
And Teratology. Philadelphia: Harper & Row; 1982:331-353. Congenital Anomalies and Abnormalities Congenital Aphakia The lens is absent in congenital aphakia, a very rare anomaly. Two forms of congenital aphakia have been described. In primary aphakia, the lens placode fails to form from the surface ectoderm in the developing embryo. In secondary aphakia, the more common type, the developing lens is spontaneously absorbed. Both forms of aphakia are usually associated with other malformations of the eye.
Lens colobomas may be classified into 2 types: primary coloboma, a wedge-shaped defect or indentation of the lens periphery that occurs as an isolated anomaly; and secondary coloboma, a flattening or indentation of the lens periphery caused by the lack of ciliary body or zonular development. Lens colobomas are typically located inferiorly and may be associated with colobolllas of the uvea. Cortical lens opacification or thickening of the lens capsule may appear adjacent to the coloboma. The zonular attachments in the region of the coloboma usually are weakened or absent.
A reading add is often necessary because the subluxated lens lacks sufficient accommodation. In some cases, adequate visual acuity cannot be obtained with spectacle or contact lens correction, and removal of the lens may be indicated. Lens extraction-either extracapsular or intracapsular-in patients with Marfan syndrome is associated with a high rate of complications such as vitreous loss and complex retinal detachment. ) Improved results have been reported with lensectomy using vitrectomy instrumentation, although the long-term results are not yet known.