Ebook Basic ophthalmology (4/E): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Basic ophthalmology (4/E): Part 2
Ebook Basic ophthalmology (4/E): Part 2
CHAPTER11The VitreousAPPLIED ANATOMYThe vitreous is an inert, avascular, transparent, jelly-like structure which senes only optical functions. It cons Ebook Basic ophthalmology (4/E): Part 2sists of a delicate framework of collagen and hyaluronic acid. It is a hydrophilic gel which becomes “fluid" when its protein basis is coagulated due to,•Advancing senile age.•Degenerations. e.g. as in high myopia.•Chemical and mechanical trauma.Attachments1It is attached anteriorly to the lens (Hya Ebook Basic ophthalmology (4/E): Part 2loid capsular ligament of Wieger) and ciliary epithelium in front of the ora serrata. The part of the vitreous about 4 mm across the ora serrata is knEbook Basic ophthalmology (4/E): Part 2
own as the "base of vitreous.” where the attachment is strongest.2It is attached posteriorly to the edge of the optic disc and macula lutea (foveal reCHAPTER11The VitreousAPPLIED ANATOMYThe vitreous is an inert, avascular, transparent, jelly-like structure which senes only optical functions. It cons Ebook Basic ophthalmology (4/E): Part 2ing.1At birth—The Cloquet’s canal runs straight from lens to the optic disc. It contains the primary vitreous.Weigers ligamentAnterior hyaloid 4 membranePatellar fossa 4-(Space of Berger)Vitreous base <■ (4 mm)Pnmary vitreousPosterior hyaloid membraneOptic discCloquet's canalOra serrata Secondary vi Ebook Basic ophthalmology (4/E): Part 2treousStructures of VitreousThe Vitreous 247Diseases of the vitreousi.Opacities in the vitreous.ii.Vitreous bands and membranes.iii.Persistent hyperplEbook Basic ophthalmology (4/E): Part 2
astic vitreous.iv.Vitreous haemorrhage,V. Vitreous loss.vi.Vitreous inflammation,vii.Vitreous detachment2In young persons—The vitreous gel is homogeneCHAPTER11The VitreousAPPLIED ANATOMYThe vitreous is an inert, avascular, transparent, jelly-like structure which senes only optical functions. It cons Ebook Basic ophthalmology (4/E): Part 2inks, producing a vitreous detachment, vitreous and retinal haemorrhage and retinal break.FunctionCHAPTER11The VitreousAPPLIED ANATOMYThe vitreous is an inert, avascular, transparent, jelly-like structure which senes only optical functions. It consGọi ngay
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